id	sid	tid	token	lemma	pos
ajst-20791	1	1	academic	academic	ADJ
ajst-20791	1	2	journal	journal	NOUN
ajst-20791	1	3	of	of	ADP
ajst-20791	1	4	science	science	NOUN
ajst-20791	1	5	and	and	CCONJ
ajst-20791	1	6	technology	technology	NOUN
ajst-20791	1	7	issn	issn	NOUN
ajst-20791	1	8	:	:	PUNCT
ajst-20791	1	9	2771	2771	NUM
ajst-20791	1	10	-	-	SYM
ajst-20791	1	11	3032	3032	NUM
ajst-20791	1	12	|	|	NOUN
ajst-20791	1	13	vol	vol	NOUN
ajst-20791	1	14	.	.	PROPN
ajst-20791	2	1	10	10	NUM
ajst-20791	2	2	,	,	PUNCT
ajst-20791	2	3	no	no	INTJ
ajst-20791	2	4	.	.	NOUN
ajst-20791	2	5	3	3	NUM
ajst-20791	2	6	,	,	PUNCT
ajst-20791	2	7	2024	2024	NUM
ajst-20791	2	8	91	91	NUM
ajst-20791	2	9	surface	surface	NOUN
ajst-20791	2	10	elevation	elevation	NOUN
ajst-20791	2	11	change	change	NOUN
ajst-20791	2	12	monitoring	monitoring	NOUN
ajst-20791	2	13	based	base	VERB
ajst-20791	2	14	on	on	ADP
ajst-20791	2	15	icesat‐2	icesat‐2	PROPN
ajst-20791	2	16	satellite	satellite	PROPN
ajst-20791	2	17	altimetry	altimetry	PROPN
ajst-20791	2	18	data	data	PROPN
ajst-20791	2	19	shuaikang	shuaikang	PROPN
ajst-20791	2	20	geng	geng	PROPN
ajst-20791	2	21	,	,	PUNCT
ajst-20791	2	22	jinhua	jinhua	PROPN
ajst-20791	2	23	lu	lu	PROPN
ajst-20791	2	24	henan	henan	PROPN
ajst-20791	2	25	polytechnic	polytechnic	PROPN
ajst-20791	2	26	university	university	PROPN
ajst-20791	2	27	school	school	NOUN
ajst-20791	2	28	of	of	ADP
ajst-20791	2	29	geomatics	geomatics	PROPN
ajst-20791	2	30	and	and	CCONJ
ajst-20791	2	31	land	land	NOUN
ajst-20791	2	32	information	information	NOUN
ajst-20791	2	33	engineering	engineering	NOUN
ajst-20791	2	34	,	,	PUNCT
ajst-20791	2	35	jiaozuo	jiaozuo	PROPN
ajst-20791	2	36	454000	454000	NUM
ajst-20791	2	37	,	,	PUNCT
ajst-20791	2	38	china	china	PROPN
ajst-20791	2	39	abstract	abstract	PROPN
ajst-20791	2	40	:	:	PUNCT
ajst-20791	2	41	the	the	DET
ajst-20791	2	42	icesat-2	icesat-2	PROPN
ajst-20791	2	43	(	(	PUNCT
ajst-20791	2	44	ice	ice	NOUN
ajst-20791	2	45	,	,	PUNCT
ajst-20791	2	46	cloud	cloud	NOUN
ajst-20791	2	47	and	and	CCONJ
ajst-20791	2	48	land	land	NOUN
ajst-20791	2	49	elevation	elevation	NOUN
ajst-20791	2	50	satellite-2	satellite-2	NUM
ajst-20791	2	51	)	)	PUNCT
ajst-20791	2	52	,	,	PUNCT
ajst-20791	2	53	launched	launch	VERB
ajst-20791	2	54	by	by	ADP
ajst-20791	2	55	nasa	nasa	PROPN
ajst-20791	2	56	on	on	ADP
ajst-20791	2	57	september	september	PROPN
ajst-20791	2	58	18	18	NUM
ajst-20791	2	59	,	,	PUNCT
ajst-20791	2	60	2018	2018	NUM
ajst-20791	2	61	,	,	PUNCT
ajst-20791	2	62	offers	offer	VERB
ajst-20791	2	63	higher	high	ADJ
ajst-20791	2	64	precision	precision	NOUN
ajst-20791	2	65	in	in	ADP
ajst-20791	2	66	surface	surface	NOUN
ajst-20791	2	67	elevation	elevation	NOUN
ajst-20791	2	68	monitoring	monitoring	NOUN
ajst-20791	2	69	.	.	PUNCT
ajst-20791	3	1	this	this	DET
ajst-20791	3	2	study	study	NOUN
ajst-20791	3	3	aims	aim	VERB
ajst-20791	3	4	to	to	PART
ajst-20791	3	5	investigate	investigate	VERB
ajst-20791	3	6	the	the	DET
ajst-20791	3	7	surface	surface	NOUN
ajst-20791	3	8	elevation	elevation	NOUN
ajst-20791	3	9	changes	change	VERB
ajst-20791	3	10	over	over	ADP
ajst-20791	3	11	different	different	ADJ
ajst-20791	3	12	time	time	NOUN
ajst-20791	3	13	periods	period	NOUN
ajst-20791	3	14	in	in	ADP
ajst-20791	3	15	the	the	DET
ajst-20791	3	16	delong	delong	PROPN
ajst-20791	3	17	and	and	CCONJ
ajst-20791	3	18	bulianta	bulianta	PROPN
ajst-20791	3	19	open	open	ADJ
ajst-20791	3	20	-	-	PUNCT
ajst-20791	3	21	pit	pit	NOUN
ajst-20791	3	22	mines	mine	NOUN
ajst-20791	3	23	in	in	ADP
ajst-20791	3	24	wulanmuren	wulanmuren	PROPN
ajst-20791	3	25	township	township	PROPN
ajst-20791	3	26	,	,	PUNCT
ajst-20791	3	27	ordos	ordo	VERB
ajst-20791	3	28	city	city	PROPN
ajst-20791	3	29	,	,	PUNCT
ajst-20791	3	30	using	use	VERB
ajst-20791	3	31	icesat-2	icesat-2	NUM
ajst-20791	3	32	laser	laser	NOUN
ajst-20791	3	33	data	datum	NOUN
ajst-20791	3	34	.	.	PUNCT
ajst-20791	4	1	the	the	DET
ajst-20791	4	2	study	study	NOUN
ajst-20791	4	3	utilizes	utilize	VERB
ajst-20791	4	4	the	the	DET
ajst-20791	4	5	spatial	spatial	ADJ
ajst-20791	4	6	distribution	distribution	NOUN
ajst-20791	4	7	information	information	NOUN
ajst-20791	4	8	of	of	ADP
ajst-20791	4	9	each	each	DET
ajst-20791	4	10	photon	photon	NOUN
ajst-20791	4	11	from	from	ADP
ajst-20791	4	12	atl03	atl03	PROPN
ajst-20791	4	13	(	(	PUNCT
ajst-20791	4	14	terrain	terrain	NOUN
ajst-20791	4	15	elevation	elevation	NOUN
ajst-20791	4	16	data	datum	NOUN
ajst-20791	4	17	)	)	PUNCT
ajst-20791	4	18	and	and	CCONJ
ajst-20791	4	19	the	the	DET
ajst-20791	4	20	classification	classification	NOUN
ajst-20791	4	21	information	information	NOUN
ajst-20791	4	22	of	of	ADP
ajst-20791	4	23	each	each	DET
ajst-20791	4	24	photon	photon	NOUN
ajst-20791	4	25	from	from	ADP
ajst-20791	4	26	atl08	atl08	PROPN
ajst-20791	4	27	(	(	PUNCT
ajst-20791	4	28	vegetation	vegetation	NOUN
ajst-20791	4	29	canopy	canopy	NOUN
ajst-20791	4	30	height	height	NOUN
ajst-20791	4	31	and	and	CCONJ
ajst-20791	4	32	surface	surface	NOUN
ajst-20791	4	33	elevation	elevation	NOUN
ajst-20791	4	34	data	datum	NOUN
ajst-20791	4	35	)	)	PUNCT
ajst-20791	4	36	to	to	PART
ajst-20791	4	37	extract	extract	VERB
ajst-20791	4	38	surface	surface	NOUN
ajst-20791	4	39	photon	photon	NOUN
ajst-20791	4	40	elevation	elevation	NOUN
ajst-20791	4	41	data	datum	NOUN
ajst-20791	4	42	for	for	ADP
ajst-20791	4	43	different	different	ADJ
ajst-20791	4	44	periods	period	NOUN
ajst-20791	4	45	in	in	ADP
ajst-20791	4	46	the	the	DET
ajst-20791	4	47	same	same	ADJ
ajst-20791	4	48	area	area	NOUN
ajst-20791	4	49	.	.	PUNCT
ajst-20791	5	1	the	the	DET
ajst-20791	5	2	precision	precision	NOUN
ajst-20791	5	3	of	of	ADP
ajst-20791	5	4	icesat-2	icesat-2	NUM
ajst-20791	5	5	satellite	satellite	NOUN
ajst-20791	5	6	elevation	elevation	NOUN
ajst-20791	5	7	data	datum	NOUN
ajst-20791	5	8	is	be	AUX
ajst-20791	5	9	validated	validate	VERB
ajst-20791	5	10	using	use	VERB
ajst-20791	5	11	the	the	DET
ajst-20791	5	12	on	on	ADP
ajst-20791	5	13	-	-	PUNCT
ajst-20791	5	14	board	board	NOUN
ajst-20791	5	15	radar	radar	NOUN
ajst-20791	5	16	data	datum	NOUN
ajst-20791	5	17	from	from	ADP
ajst-20791	5	18	henan	henan	PROPN
ajst-20791	5	19	polytechnic	polytechnic	PROPN
ajst-20791	5	20	university	university	PROPN
ajst-20791	5	21	's	's	PART
ajst-20791	5	22	feima	feima	NOUN
ajst-20791	5	23	unmanned	unmanned	ADJ
ajst-20791	5	24	aerial	aerial	ADJ
ajst-20791	5	25	vehicle	vehicle	NOUN
ajst-20791	5	26	d2000	d2000	PROPN
ajst-20791	5	27	in	in	ADP
ajst-20791	5	28	jiaozuo	jiaozuo	PROPN
ajst-20791	5	29	city	city	PROPN
ajst-20791	5	30	,	,	PUNCT
ajst-20791	5	31	henan	henan	PROPN
ajst-20791	5	32	province.results	province.result	NOUN
ajst-20791	5	33	indicate	indicate	VERB
ajst-20791	5	34	that	that	SCONJ
ajst-20791	5	35	in	in	ADP
ajst-20791	5	36	the	the	DET
ajst-20791	5	37	no.1	no.1	ADJ
ajst-20791	5	38	area	area	NOUN
ajst-20791	5	39	of	of	ADP
ajst-20791	5	40	the	the	DET
ajst-20791	5	41	delong	delong	PROPN
ajst-20791	5	42	open	open	ADJ
ajst-20791	5	43	-	-	PUNCT
ajst-20791	5	44	pit	pit	NOUN
ajst-20791	5	45	mine	mine	NOUN
ajst-20791	5	46	,	,	PUNCT
ajst-20791	5	47	the	the	DET
ajst-20791	5	48	surface	surface	NOUN
ajst-20791	5	49	subsided	subside	VERB
ajst-20791	5	50	by	by	ADP
ajst-20791	5	51	approximately	approximately	ADV
ajst-20791	5	52	16.3	16.3	NUM
ajst-20791	5	53	meters	meter	NOUN
ajst-20791	5	54	between	between	ADP
ajst-20791	5	55	november	november	PROPN
ajst-20791	5	56	14	14	NUM
ajst-20791	5	57	,	,	PUNCT
ajst-20791	5	58	2019	2019	NUM
ajst-20791	5	59	,	,	PUNCT
ajst-20791	5	60	and	and	CCONJ
ajst-20791	5	61	november	november	PROPN
ajst-20791	5	62	10	10	NUM
ajst-20791	5	63	,	,	PUNCT
ajst-20791	5	64	2021	2021	NUM
ajst-20791	5	65	,	,	PUNCT
ajst-20791	5	66	due	due	ADP
ajst-20791	5	67	to	to	ADP
ajst-20791	5	68	soil	soil	NOUN
ajst-20791	5	69	removal	removal	NOUN
ajst-20791	5	70	operations	operation	NOUN
ajst-20791	5	71	.	.	PUNCT
ajst-20791	6	1	in	in	ADP
ajst-20791	6	2	the	the	DET
ajst-20791	6	3	no.2	no.2	PROPN
ajst-20791	6	4	and	and	CCONJ
ajst-20791	6	5	no.3	no.3	VERB
ajst-20791	6	6	areas	area	NOUN
ajst-20791	6	7	of	of	ADP
ajst-20791	6	8	the	the	DET
ajst-20791	6	9	bulianta	bulianta	PROPN
ajst-20791	6	10	open	open	ADJ
ajst-20791	6	11	-	-	PUNCT
ajst-20791	6	12	pit	pit	NOUN
ajst-20791	6	13	mine	mine	NOUN
ajst-20791	6	14	,	,	PUNCT
ajst-20791	6	15	the	the	DET
ajst-20791	6	16	surface	surface	NOUN
ajst-20791	6	17	was	be	AUX
ajst-20791	6	18	uplifted	uplift	VERB
ajst-20791	6	19	by	by	ADP
ajst-20791	6	20	3.1	3.1	NUM
ajst-20791	6	21	meters	meter	NOUN
ajst-20791	6	22	and	and	CCONJ
ajst-20791	6	23	13.6	13.6	NUM
ajst-20791	6	24	meters	meter	NOUN
ajst-20791	6	25	,	,	PUNCT
ajst-20791	6	26	respectively	respectively	ADV
ajst-20791	6	27	,	,	PUNCT
ajst-20791	6	28	between	between	ADP
ajst-20791	6	29	may	may	PROPN
ajst-20791	6	30	16	16	NUM
ajst-20791	6	31	,	,	PUNCT
ajst-20791	6	32	2019	2019	NUM
ajst-20791	6	33	,	,	PUNCT
ajst-20791	6	34	and	and	CCONJ
ajst-20791	6	35	august	august	PROPN
ajst-20791	6	36	13	13	NUM
ajst-20791	6	37	,	,	PUNCT
ajst-20791	6	38	2020	2020	NUM
ajst-20791	6	39	,	,	PUNCT
ajst-20791	6	40	due	due	ADP
ajst-20791	6	41	to	to	ADP
ajst-20791	6	42	backfilling	backfille	VERB
ajst-20791	6	43	after	after	ADP
ajst-20791	6	44	mining	mining	NOUN
ajst-20791	6	45	.	.	PUNCT
ajst-20791	7	1	additionally	additionally	ADV
ajst-20791	7	2	,	,	PUNCT
ajst-20791	7	3	the	the	DET
ajst-20791	7	4	no.4	no.4	PROPN
ajst-20791	7	5	area	area	NOUN
ajst-20791	7	6	was	be	AUX
ajst-20791	7	7	uplifted	uplift	VERB
ajst-20791	7	8	by	by	ADP
ajst-20791	7	9	about	about	ADV
ajst-20791	7	10	10.5	10.5	NUM
ajst-20791	7	11	meters	meter	NOUN
ajst-20791	7	12	between	between	ADP
ajst-20791	7	13	november	november	PROPN
ajst-20791	7	14	14	14	NUM
ajst-20791	7	15	,	,	PUNCT
ajst-20791	7	16	2019	2019	NUM
ajst-20791	7	17	,	,	PUNCT
ajst-20791	7	18	and	and	CCONJ
ajst-20791	7	19	november	november	PROPN
ajst-20791	7	20	10	10	NUM
ajst-20791	7	21	,	,	PUNCT
ajst-20791	7	22	2021.furthermore	2021.furthermore	NOUN
ajst-20791	7	23	,	,	PUNCT
ajst-20791	7	24	the	the	DET
ajst-20791	7	25	accuracy	accuracy	NOUN
ajst-20791	7	26	assessment	assessment	NOUN
ajst-20791	7	27	yielded	yield	VERB
ajst-20791	7	28	the	the	DET
ajst-20791	7	29	following	follow	VERB
ajst-20791	7	30	results	result	NOUN
ajst-20791	7	31	:	:	PUNCT
ajst-20791	7	32	r2=0.956	r2=0.956	NUM
ajst-20791	7	33	,	,	PUNCT
ajst-20791	7	34	rmse=0.324	rmse=0.324	ADJ
ajst-20791	7	35	,	,	PUNCT
ajst-20791	7	36	and	and	CCONJ
ajst-20791	7	37	mae=0.105	mae=0.105	ADJ
ajst-20791	7	38	meters	meter	NOUN
ajst-20791	7	39	,	,	PUNCT
ajst-20791	7	40	indicating	indicate	VERB
ajst-20791	7	41	that	that	SCONJ
ajst-20791	7	42	icesat2	icesat2	NOUN
ajst-20791	7	43	data	datum	NOUN
ajst-20791	7	44	can	can	AUX
ajst-20791	7	45	be	be	AUX
ajst-20791	7	46	used	use	VERB
ajst-20791	7	47	as	as	ADP
ajst-20791	7	48	scientific	scientific	ADJ
ajst-20791	7	49	data	datum	NOUN
ajst-20791	7	50	for	for	ADP
ajst-20791	7	51	inverting	invert	VERB
ajst-20791	7	52	surface	surface	NOUN
ajst-20791	7	53	elevation	elevation	NOUN
ajst-20791	7	54	changes	change	NOUN
ajst-20791	7	55	.	.	PUNCT
ajst-20791	8	1	keywords	keyword	NOUN
ajst-20791	8	2	:	:	PUNCT
ajst-20791	8	3	icesat-2	icesat-2	NUM
ajst-20791	8	4	,	,	PUNCT
ajst-20791	8	5	atl03	atl03	NOUN
ajst-20791	8	6	,	,	PUNCT
ajst-20791	8	7	atl08	atl08	NOUN
ajst-20791	8	8	,	,	PUNCT
ajst-20791	8	9	surface	surface	NOUN
ajst-20791	8	10	elevation	elevation	NOUN
ajst-20791	8	11	change	change	NOUN
ajst-20791	8	12	.	.	PUNCT
ajst-20791	9	1	1	1	X
ajst-20791	9	2	.	.	X
ajst-20791	9	3	introduction	introduction	NOUN
ajst-20791	9	4	surface	surface	NOUN
ajst-20791	9	5	elevation	elevation	NOUN
ajst-20791	9	6	change	change	NOUN
ajst-20791	9	7	is	be	AUX
ajst-20791	9	8	one	one	NUM
ajst-20791	9	9	of	of	ADP
ajst-20791	9	10	the	the	DET
ajst-20791	9	11	essential	essential	ADJ
ajst-20791	9	12	indicators	indicator	NOUN
ajst-20791	9	13	of	of	ADP
ajst-20791	9	14	earth	earth	NOUN
ajst-20791	9	15	's	's	PART
ajst-20791	9	16	surface	surface	NOUN
ajst-20791	9	17	,	,	PUNCT
ajst-20791	9	18	and	and	CCONJ
ajst-20791	9	19	it	it	PRON
ajst-20791	9	20	holds	hold	VERB
ajst-20791	9	21	significant	significant	ADJ
ajst-20791	9	22	importance	importance	NOUN
ajst-20791	9	23	in	in	ADP
ajst-20791	9	24	understanding	understand	VERB
ajst-20791	9	25	the	the	DET
ajst-20791	9	26	dynamic	dynamic	ADJ
ajst-20791	9	27	changes	change	NOUN
ajst-20791	9	28	and	and	CCONJ
ajst-20791	9	29	related	relate	VERB
ajst-20791	9	30	environmental	environmental	ADJ
ajst-20791	9	31	and	and	CCONJ
ajst-20791	9	32	climatic	climatic	ADJ
ajst-20791	9	33	processes	process	NOUN
ajst-20791	9	34	[	[	X
ajst-20791	9	35	1	1	NUM
ajst-20791	9	36	-	-	SYM
ajst-20791	9	37	2	2	NUM
ajst-20791	9	38	]	]	PUNCT
ajst-20791	9	39	.	.	PUNCT
ajst-20791	10	1	changes	change	NOUN
ajst-20791	10	2	in	in	ADP
ajst-20791	10	3	polar	polar	ADJ
ajst-20791	10	4	ice	ice	NOUN
ajst-20791	10	5	caps	cap	NOUN
ajst-20791	10	6	and	and	CCONJ
ajst-20791	10	7	glaciers	glacier	NOUN
ajst-20791	10	8	,	,	PUNCT
ajst-20791	10	9	land	land	NOUN
ajst-20791	10	10	crust	crust	NOUN
ajst-20791	10	11	movements	movement	NOUN
ajst-20791	10	12	,	,	PUNCT
ajst-20791	10	13	mining	mining	NOUN
ajst-20791	10	14	activities	activity	NOUN
ajst-20791	10	15	,	,	PUNCT
ajst-20791	10	16	and	and	CCONJ
ajst-20791	10	17	groundwater	groundwater	NOUN
ajst-20791	10	18	extraction	extraction	NOUN
ajst-20791	10	19	can	can	AUX
ajst-20791	10	20	all	all	PRON
ajst-20791	10	21	lead	lead	VERB
ajst-20791	10	22	to	to	ADP
ajst-20791	10	23	variations	variation	NOUN
ajst-20791	10	24	in	in	ADP
ajst-20791	10	25	ground	ground	NOUN
ajst-20791	10	26	elevation	elevation	NOUN
ajst-20791	10	27	[	[	X
ajst-20791	10	28	3	3	NUM
ajst-20791	10	29	]	]	PUNCT
ajst-20791	10	30	.	.	PUNCT
ajst-20791	11	1	local	local	ADJ
ajst-20791	11	2	changes	change	NOUN
ajst-20791	11	3	in	in	ADP
ajst-20791	11	4	glacier	glacier	NOUN
ajst-20791	11	5	and	and	CCONJ
ajst-20791	11	6	ice	ice	NOUN
ajst-20791	11	7	cap	cap	NOUN
ajst-20791	11	8	elevations	elevation	NOUN
ajst-20791	11	9	can	can	AUX
ajst-20791	11	10	directly	directly	ADV
ajst-20791	11	11	affect	affect	VERB
ajst-20791	11	12	local	local	ADJ
ajst-20791	11	13	climates	climate	NOUN
ajst-20791	11	14	and	and	CCONJ
ajst-20791	11	15	hydrological	hydrological	ADJ
ajst-20791	11	16	cycles	cycle	NOUN
ajst-20791	11	17	,	,	PUNCT
ajst-20791	11	18	and	and	CCONJ
ajst-20791	11	19	such	such	ADJ
ajst-20791	11	20	changes	change	NOUN
ajst-20791	11	21	can	can	AUX
ajst-20791	11	22	have	have	VERB
ajst-20791	11	23	severe	severe	ADJ
ajst-20791	11	24	destructive	destructive	ADJ
ajst-20791	11	25	effects	effect	NOUN
ajst-20791	11	26	on	on	ADP
ajst-20791	11	27	buildings	building	NOUN
ajst-20791	11	28	,	,	PUNCT
ajst-20791	11	29	underground	underground	ADJ
ajst-20791	11	30	pipelines	pipeline	NOUN
ajst-20791	11	31	,	,	PUNCT
ajst-20791	11	32	roads	road	NOUN
ajst-20791	11	33	,	,	PUNCT
ajst-20791	11	34	bridges	bridge	NOUN
ajst-20791	11	35	,	,	PUNCT
ajst-20791	11	36	and	and	CCONJ
ajst-20791	11	37	dams	dam	VERB
ajst-20791	11	38	[	[	X
ajst-20791	11	39	4	4	NUM
ajst-20791	11	40	]	]	PUNCT
ajst-20791	11	41	.	.	PUNCT
ajst-20791	12	1	with	with	ADP
ajst-20791	12	2	human	human	ADJ
ajst-20791	12	3	activities	activity	NOUN
ajst-20791	12	4	and	and	CCONJ
ajst-20791	12	5	natural	natural	ADJ
ajst-20791	12	6	processes	process	NOUN
ajst-20791	12	7	increasingly	increasingly	ADV
ajst-20791	12	8	impacting	impact	VERB
ajst-20791	12	9	the	the	DET
ajst-20791	12	10	earth	earth	NOUN
ajst-20791	12	11	's	's	PART
ajst-20791	12	12	surface	surface	NOUN
ajst-20791	12	13	,	,	PUNCT
ajst-20791	12	14	timely	timely	ADJ
ajst-20791	12	15	and	and	CCONJ
ajst-20791	12	16	accurate	accurate	ADJ
ajst-20791	12	17	monitoring	monitoring	NOUN
ajst-20791	12	18	of	of	ADP
ajst-20791	12	19	surface	surface	NOUN
ajst-20791	12	20	elevation	elevation	NOUN
ajst-20791	12	21	changes	change	NOUN
ajst-20791	12	22	becomes	become	VERB
ajst-20791	12	23	crucial	crucial	ADJ
ajst-20791	12	24	for	for	ADP
ajst-20791	12	25	understanding	understand	VERB
ajst-20791	12	26	climate	climate	NOUN
ajst-20791	12	27	change	change	NOUN
ajst-20791	12	28	,	,	PUNCT
ajst-20791	12	29	assessing	assess	VERB
ajst-20791	12	30	natural	natural	ADJ
ajst-20791	12	31	disaster	disaster	NOUN
ajst-20791	12	32	risks	risk	NOUN
ajst-20791	12	33	,	,	PUNCT
ajst-20791	12	34	managing	manage	VERB
ajst-20791	12	35	water	water	NOUN
ajst-20791	12	36	resources	resource	NOUN
ajst-20791	12	37	,	,	PUNCT
ajst-20791	12	38	and	and	CCONJ
ajst-20791	12	39	preserving	preserve	VERB
ajst-20791	12	40	the	the	DET
ajst-20791	12	41	environment	environment	NOUN
ajst-20791	12	42	[	[	X
ajst-20791	12	43	5	5	NUM
ajst-20791	12	44	-	-	SYM
ajst-20791	12	45	6].with	6].with	NUM
ajst-20791	12	46	the	the	DET
ajst-20791	12	47	continuous	continuous	ADJ
ajst-20791	12	48	development	development	NOUN
ajst-20791	12	49	of	of	ADP
ajst-20791	12	50	satellite	satellite	NOUN
ajst-20791	12	51	technology	technology	NOUN
ajst-20791	12	52	,	,	PUNCT
ajst-20791	12	53	high	high	ADJ
ajst-20791	12	54	-	-	PUNCT
ajst-20791	12	55	precision	precision	NOUN
ajst-20791	12	56	laser	laser	NOUN
ajst-20791	12	57	altimetry	altimetry	NOUN
ajst-20791	12	58	data	datum	NOUN
ajst-20791	12	59	provide	provide	VERB
ajst-20791	12	60	new	new	ADJ
ajst-20791	12	61	opportunities	opportunity	NOUN
ajst-20791	12	62	and	and	CCONJ
ajst-20791	12	63	breakthroughs	breakthrough	NOUN
ajst-20791	12	64	for	for	ADP
ajst-20791	12	65	monitoring	monitor	VERB
ajst-20791	12	66	surface	surface	NOUN
ajst-20791	12	67	elevation	elevation	NOUN
ajst-20791	12	68	changes	change	NOUN
ajst-20791	12	69	[	[	X
ajst-20791	12	70	7	7	NUM
ajst-20791	12	71	]	]	PUNCT
ajst-20791	12	72	.	.	PUNCT
ajst-20791	13	1	satellite	satellite	NOUN
ajst-20791	13	2	-	-	PUNCT
ajst-20791	13	3	borne	bear	VERB
ajst-20791	13	4	laser	laser	NOUN
ajst-20791	13	5	altimetry	altimetry	NOUN
ajst-20791	13	6	technology	technology	NOUN
ajst-20791	13	7	can	can	AUX
ajst-20791	13	8	achieve	achieve	VERB
ajst-20791	13	9	centimeter	centimeter	NOUN
ajst-20791	13	10	-	-	PUNCT
ajst-20791	13	11	level	level	NOUN
ajst-20791	13	12	accuracy	accuracy	NOUN
ajst-20791	13	13	in	in	ADP
ajst-20791	13	14	generating	generate	VERB
ajst-20791	13	15	digital	digital	ADJ
ajst-20791	13	16	terrain	terrain	NOUN
ajst-20791	13	17	models	model	NOUN
ajst-20791	13	18	(	(	PUNCT
ajst-20791	13	19	dtms	dtms	NOUN
ajst-20791	13	20	)	)	PUNCT
ajst-20791	14	1	[	[	X
ajst-20791	14	2	8	8	NUM
ajst-20791	14	3	-	-	SYM
ajst-20791	14	4	9	9	NUM
ajst-20791	14	5	]	]	PUNCT
ajst-20791	14	6	.	.	PUNCT
ajst-20791	15	1	using	use	VERB
ajst-20791	15	2	laser	laser	NOUN
ajst-20791	15	3	altimetry	altimetry	NOUN
ajst-20791	15	4	satellites	satellite	NOUN
ajst-20791	15	5	,	,	PUNCT
ajst-20791	15	6	multiple	multiple	ADJ
ajst-20791	15	7	temporal	temporal	ADJ
ajst-20791	15	8	data	datum	NOUN
ajst-20791	15	9	of	of	ADP
ajst-20791	15	10	the	the	DET
ajst-20791	15	11	same	same	ADJ
ajst-20791	15	12	region	region	NOUN
ajst-20791	15	13	can	can	AUX
ajst-20791	15	14	be	be	AUX
ajst-20791	15	15	acquired	acquire	VERB
ajst-20791	15	16	to	to	PART
ajst-20791	15	17	understand	understand	VERB
ajst-20791	15	18	ground	ground	NOUN
ajst-20791	15	19	elevation	elevation	NOUN
ajst-20791	15	20	changes	change	NOUN
ajst-20791	15	21	over	over	ADP
ajst-20791	15	22	time	time	NOUN
ajst-20791	15	23	.	.	PUNCT
ajst-20791	16	1	since	since	SCONJ
ajst-20791	16	2	2003	2003	NUM
ajst-20791	16	3	,	,	PUNCT
ajst-20791	16	4	the	the	DET
ajst-20791	16	5	national	national	ADJ
ajst-20791	16	6	aeronautics	aeronautics	PROPN
ajst-20791	16	7	and	and	CCONJ
ajst-20791	16	8	space	space	PROPN
ajst-20791	16	9	administration	administration	PROPN
ajst-20791	16	10	(	(	PUNCT
ajst-20791	16	11	nasa	nasa	PROPN
ajst-20791	16	12	)	)	PUNCT
ajst-20791	16	13	has	have	AUX
ajst-20791	16	14	launched	launch	VERB
ajst-20791	16	15	several	several	ADJ
ajst-20791	16	16	laser	laser	NOUN
ajst-20791	16	17	altimetrybased	altimetrybase	VERB
ajst-20791	16	18	earth	earth	NOUN
ajst-20791	16	19	observation	observation	NOUN
ajst-20791	16	20	satellites	satellite	NOUN
ajst-20791	16	21	,	,	PUNCT
ajst-20791	16	22	including	include	VERB
ajst-20791	16	23	the	the	DET
ajst-20791	16	24	ice	ice	NOUN
ajst-20791	16	25	,	,	PUNCT
ajst-20791	16	26	cloud	cloud	NOUN
ajst-20791	16	27	,	,	PUNCT
ajst-20791	16	28	and	and	CCONJ
ajst-20791	16	29	land	land	NOUN
ajst-20791	16	30	elevation	elevation	NOUN
ajst-20791	16	31	satellite	satellite	NOUN
ajst-20791	16	32	(	(	PUNCT
ajst-20791	16	33	icesat	icesat	ADV
ajst-20791	16	34	)	)	PUNCT
ajst-20791	16	35	equipped	equip	VERB
ajst-20791	16	36	with	with	ADP
ajst-20791	16	37	the	the	DET
ajst-20791	16	38	geoscience	geoscience	NOUN
ajst-20791	16	39	laser	laser	NOUN
ajst-20791	16	40	altimeter	altimeter	NOUN
ajst-20791	16	41	system	system	NOUN
ajst-20791	16	42	(	(	PUNCT
ajst-20791	16	43	glas	glas	PROPN
ajst-20791	16	44	)	)	PUNCT
ajst-20791	16	45	.	.	PUNCT
ajst-20791	17	1	icesat	icesat	PROPN
ajst-20791	17	2	's	's	PART
ajst-20791	17	3	main	main	ADJ
ajst-20791	17	4	mission	mission	NOUN
ajst-20791	17	5	was	be	AUX
ajst-20791	17	6	to	to	PART
ajst-20791	17	7	monitor	monitor	VERB
ajst-20791	17	8	elevation	elevation	NOUN
ajst-20791	17	9	changes	change	NOUN
ajst-20791	17	10	in	in	ADP
ajst-20791	17	11	polar	polar	ADJ
ajst-20791	17	12	regions	region	NOUN
ajst-20791	17	13	and	and	CCONJ
ajst-20791	17	14	greenland	greenland	PROPN
ajst-20791	17	15	ice	ice	NOUN
ajst-20791	17	16	sheets	sheet	NOUN
ajst-20791	17	17	,	,	PUNCT
ajst-20791	17	18	providing	provide	VERB
ajst-20791	17	19	valuable	valuable	ADJ
ajst-20791	17	20	datasets	dataset	NOUN
ajst-20791	17	21	for	for	ADP
ajst-20791	17	22	precise	precise	ADJ
ajst-20791	17	23	dem	dem	NOUN
ajst-20791	17	24	(	(	PUNCT
ajst-20791	17	25	digital	digital	ADJ
ajst-20791	17	26	elevation	elevation	NOUN
ajst-20791	17	27	model	model	NOUN
ajst-20791	17	28	)	)	PUNCT
ajst-20791	17	29	creation	creation	NOUN
ajst-20791	17	30	for	for	ADP
ajst-20791	17	31	polar	polar	ADJ
ajst-20791	17	32	ice	ice	NOUN
ajst-20791	17	33	sheets	sheet	NOUN
ajst-20791	17	34	[	[	X
ajst-20791	17	35	10	10	NUM
ajst-20791	17	36	-	-	SYM
ajst-20791	17	37	11	11	NUM
ajst-20791	17	38	]	]	PUNCT
ajst-20791	17	39	.	.	PUNCT
ajst-20791	18	1	subsequently	subsequently	ADV
ajst-20791	18	2	,	,	PUNCT
ajst-20791	18	3	other	other	ADJ
ajst-20791	18	4	laser	laser	NOUN
ajst-20791	18	5	altimetry	altimetry	NOUN
ajst-20791	18	6	satellites	satellite	NOUN
ajst-20791	18	7	,	,	PUNCT
ajst-20791	18	8	such	such	ADJ
ajst-20791	18	9	as	as	ADP
ajst-20791	18	10	the	the	DET
ajst-20791	18	11	global	global	ADJ
ajst-20791	18	12	ecosystem	ecosystem	PROPN
ajst-20791	18	13	dynamics	dynamic	NOUN
ajst-20791	18	14	investigation	investigation	NOUN
ajst-20791	18	15	(	(	PUNCT
ajst-20791	18	16	gedi	gedi	PROPN
ajst-20791	18	17	)	)	PUNCT
ajst-20791	18	18	,	,	PUNCT
ajst-20791	18	19	gf-7	gf-7	X
ajst-20791	18	20	,	,	PUNCT
ajst-20791	18	21	and	and	CCONJ
ajst-20791	18	22	icesat-2	icesat-2	NUM
ajst-20791	18	23	with	with	ADP
ajst-20791	18	24	the	the	DET
ajst-20791	18	25	advanced	advanced	ADJ
ajst-20791	18	26	topographic	topographic	PROPN
ajst-20791	18	27	laser	laser	NOUN
ajst-20791	18	28	altimeter	altimeter	NOUN
ajst-20791	18	29	system	system	NOUN
ajst-20791	18	30	(	(	PUNCT
ajst-20791	18	31	atlas	atlas	PROPN
ajst-20791	18	32	)	)	PUNCT
ajst-20791	18	33	,	,	PUNCT
ajst-20791	18	34	were	be	AUX
ajst-20791	18	35	launched	launch	VERB
ajst-20791	18	36	for	for	ADP
ajst-20791	18	37	global	global	ADJ
ajst-20791	18	38	earth	earth	NOUN
ajst-20791	18	39	observation	observation	NOUN
ajst-20791	18	40	[	[	X
ajst-20791	18	41	12	12	NUM
ajst-20791	18	42	]	]	PUNCT
ajst-20791	18	43	.	.	PUNCT
ajst-20791	19	1	researchers	researcher	NOUN
ajst-20791	19	2	,	,	PUNCT
ajst-20791	19	3	including	include	VERB
ajst-20791	19	4	wang	wang	PROPN
ajst-20791	19	5	,	,	PUNCT
ajst-20791	19	6	nie	nie	PROPN
ajst-20791	19	7	,	,	PUNCT
ajst-20791	19	8	lamsters	lamster	NOUN
ajst-20791	19	9	,	,	PUNCT
ajst-20791	19	10	and	and	CCONJ
ajst-20791	19	11	others	other	NOUN
ajst-20791	19	12	,	,	PUNCT
ajst-20791	19	13	have	have	AUX
ajst-20791	19	14	utilized	utilize	VERB
ajst-20791	19	15	icesat	icesat	ADV
ajst-20791	19	16	/	/	SYM
ajst-20791	19	17	glas	glas	PROPN
ajst-20791	19	18	data	datum	NOUN
ajst-20791	19	19	to	to	PART
ajst-20791	19	20	invert	invert	VERB
ajst-20791	19	21	dtm	dtm	PROPN
ajst-20791	19	22	of	of	ADP
ajst-20791	19	23	polar	polar	ADJ
ajst-20791	19	24	glaciers	glacier	NOUN
ajst-20791	19	25	,	,	PUNCT
ajst-20791	19	26	showing	show	VERB
ajst-20791	19	27	a	a	DET
ajst-20791	19	28	high	high	ADJ
ajst-20791	19	29	correlation	correlation	NOUN
ajst-20791	19	30	with	with	ADP
ajst-20791	19	31	measured	measured	ADJ
ajst-20791	19	32	values	value	NOUN
ajst-20791	19	33	[	[	X
ajst-20791	19	34	12	12	NUM
ajst-20791	19	35	-	-	SYM
ajst-20791	19	36	15	15	NUM
ajst-20791	19	37	]	]	PUNCT
ajst-20791	19	38	.	.	PUNCT
ajst-20791	20	1	chen	chen	PROPN
ajst-20791	20	2	guodong	guodong	PROPN
ajst-20791	20	3	and	and	CCONJ
ajst-20791	20	4	others	other	NOUN
ajst-20791	20	5	have	have	AUX
ajst-20791	20	6	analyzed	analyze	VERB
ajst-20791	20	7	the	the	DET
ajst-20791	20	8	elevation	elevation	NOUN
ajst-20791	20	9	change	change	NOUN
ajst-20791	20	10	trend	trend	NOUN
ajst-20791	20	11	of	of	ADP
ajst-20791	20	12	the	the	DET
ajst-20791	20	13	greenland	greenland	PROPN
ajst-20791	20	14	ice	ice	PROPN
ajst-20791	20	15	sheet	sheet	NOUN
ajst-20791	20	16	from	from	ADP
ajst-20791	20	17	june	june	PROPN
ajst-20791	20	18	2003	2003	NUM
ajst-20791	20	19	to	to	ADP
ajst-20791	20	20	october	october	PROPN
ajst-20791	20	21	2009	2009	NUM
ajst-20791	20	22	using	use	VERB
ajst-20791	20	23	icesat	icesat	ADJ
ajst-20791	20	24	laser	laser	NOUN
ajst-20791	20	25	altimetry	altimetry	NOUN
ajst-20791	20	26	data	datum	NOUN
ajst-20791	20	27	with	with	ADP
ajst-20791	20	28	a	a	DET
ajst-20791	20	29	trend	trend	NOUN
ajst-20791	20	30	of	of	ADP
ajst-20791	20	31	-16.79±0.84	-16.79±0.84	PRON
ajst-20791	20	32	cm·year-1	cm·year-1	NUM
ajst-20791	20	33	,	,	PUNCT
ajst-20791	20	34	indicating	indicate	VERB
ajst-20791	20	35	a	a	DET
ajst-20791	20	36	slowdown	slowdown	NOUN
ajst-20791	20	37	in	in	ADP
ajst-20791	20	38	the	the	DET
ajst-20791	20	39	rate	rate	NOUN
ajst-20791	20	40	of	of	ADP
ajst-20791	20	41	inland	inland	ADJ
ajst-20791	20	42	elevation	elevation	NOUN
ajst-20791	20	43	accumulation	accumulation	NOUN
ajst-20791	20	44	above	above	ADP
ajst-20791	20	45	2000	2000	NUM
ajst-20791	20	46	meters	meter	NOUN
ajst-20791	20	47	and	and	CCONJ
ajst-20791	20	48	an	an	DET
ajst-20791	20	49	increasing	increase	VERB
ajst-20791	20	50	trend	trend	NOUN
ajst-20791	20	51	of	of	ADP
ajst-20791	20	52	greenland	greenland	PROPN
ajst-20791	20	53	ice	ice	PROPN
ajst-20791	20	54	sheet	sheet	NOUN
ajst-20791	20	55	melting	melt	VERB
ajst-20791	20	56	[	[	X
ajst-20791	20	57	16	16	NUM
ajst-20791	20	58	]	]	PUNCT
ajst-20791	20	59	.	.	PUNCT
ajst-20791	21	1	compared	compare	VERB
ajst-20791	21	2	to	to	ADP
ajst-20791	21	3	the	the	DET
ajst-20791	21	4	glas	gla	NOUN
ajst-20791	21	5	carried	carry	VERB
ajst-20791	21	6	by	by	ADP
ajst-20791	21	7	the	the	DET
ajst-20791	21	8	icesat	icesat	PROPN
ajst-20791	21	9	satellite	satellite	NOUN
ajst-20791	21	10	,	,	PUNCT
ajst-20791	21	11	gedi	gedi	PROPN
ajst-20791	21	12	significantly	significantly	ADV
ajst-20791	21	13	improves	improve	VERB
ajst-20791	21	14	spatial	spatial	ADJ
ajst-20791	21	15	resolution	resolution	NOUN
ajst-20791	21	16	.	.	PUNCT
ajst-20791	22	1	yuan	yuan	PROPN
ajst-20791	22	2	zhihui	zhihui	PROPN
ajst-20791	22	3	and	and	CCONJ
ajst-20791	22	4	others	other	NOUN
ajst-20791	22	5	verified	verify	VERB
ajst-20791	22	6	the	the	DET
ajst-20791	22	7	accuracy	accuracy	NOUN
ajst-20791	22	8	of	of	ADP
ajst-20791	22	9	ground	ground	NOUN
ajst-20791	22	10	elevation	elevation	NOUN
ajst-20791	22	11	and	and	CCONJ
ajst-20791	22	12	canopy	canopy	NOUN
ajst-20791	22	13	height	height	NOUN
ajst-20791	22	14	extracted	extract	VERB
ajst-20791	22	15	from	from	ADP
ajst-20791	22	16	gedi	gedi	PROPN
ajst-20791	22	17	data	datum	NOUN
ajst-20791	22	18	using	use	VERB
ajst-20791	22	19	airborne	airborne	ADJ
ajst-20791	22	20	lidar	lidar	NOUN
ajst-20791	22	21	data	datum	NOUN
ajst-20791	22	22	,	,	PUNCT
ajst-20791	22	23	indicating	indicate	VERB
ajst-20791	22	24	that	that	SCONJ
ajst-20791	22	25	correcting	correct	VERB
ajst-20791	22	26	gedi	gedi	PROPN
ajst-20791	22	27	data	data	PROPN
ajst-20791	22	28	's	's	PART
ajst-20791	22	29	geolocation	geolocation	NOUN
ajst-20791	22	30	errors	error	NOUN
ajst-20791	22	31	can	can	AUX
ajst-20791	22	32	significantly	significantly	ADV
ajst-20791	22	33	improve	improve	VERB
ajst-20791	22	34	ground	ground	NOUN
ajst-20791	22	35	elevation	elevation	NOUN
ajst-20791	22	36	accuracy	accuracy	NOUN
ajst-20791	22	37	[	[	X
ajst-20791	22	38	17	17	NUM
ajst-20791	22	39	]	]	PUNCT
ajst-20791	22	40	.	.	PUNCT
ajst-20791	23	1	liu	liu	PROPN
ajst-20791	23	2	lijuan	lijuan	PROPN
ajst-20791	23	3	and	and	CCONJ
ajst-20791	23	4	others	other	NOUN
ajst-20791	23	5	compared	compare	VERB
ajst-20791	23	6	six	six	NUM
ajst-20791	23	7	algorithms	algorithm	NOUN
ajst-20791	23	8	provided	provide	VERB
ajst-20791	23	9	in	in	ADP
ajst-20791	23	10	gedi	gedi	PROPN
ajst-20791	23	11	l2a	l2a	PUNCT
ajst-20791	23	12	products	product	NOUN
ajst-20791	23	13	to	to	PART
ajst-20791	23	14	estimate	estimate	VERB
ajst-20791	23	15	ground	ground	NOUN
ajst-20791	23	16	elevation	elevation	NOUN
ajst-20791	23	17	and	and	CCONJ
ajst-20791	23	18	found	find	VERB
ajst-20791	23	19	the	the	DET
ajst-20791	23	20	selected	select	VERB
ajst-20791	23	21	optimal	optimal	ADJ
ajst-20791	23	22	algorithm	algorithm	NOUN
ajst-20791	23	23	effectively	effectively	ADV
ajst-20791	23	24	improved	improve	VERB
ajst-20791	23	25	the	the	DET
ajst-20791	23	26	accuracy	accuracy	NOUN
ajst-20791	23	27	of	of	ADP
ajst-20791	23	28	ground	ground	NOUN
ajst-20791	23	29	elevation	elevation	NOUN
ajst-20791	23	30	estimation	estimation	NOUN
ajst-20791	23	31	[	[	X
ajst-20791	23	32	18	18	NUM
ajst-20791	23	33	]	]	PUNCT
ajst-20791	23	34	.	.	PUNCT
ajst-20791	24	1	however	however	ADV
ajst-20791	24	2	,	,	PUNCT
ajst-20791	24	3	icesat	icesat	VERB
ajst-20791	24	4	/	/	SYM
ajst-20791	24	5	glas	gla	NOUN
ajst-20791	24	6	and	and	CCONJ
ajst-20791	24	7	gedi	gedi	PROPN
ajst-20791	24	8	still	still	ADV
ajst-20791	24	9	have	have	VERB
ajst-20791	24	10	certain	certain	ADJ
ajst-20791	24	11	limitations	limitation	NOUN
ajst-20791	24	12	in	in	ADP
ajst-20791	24	13	obtaining	obtain	VERB
ajst-20791	24	14	highresolution	highresolution	NOUN
ajst-20791	24	15	elevation	elevation	NOUN
ajst-20791	24	16	changes	change	NOUN
ajst-20791	24	17	of	of	ADP
ajst-20791	24	18	the	the	DET
ajst-20791	24	19	same	same	ADJ
ajst-20791	24	20	region	region	NOUN
ajst-20791	24	21	at	at	ADP
ajst-20791	24	22	different	different	ADJ
ajst-20791	24	23	times	time	NOUN
ajst-20791	24	24	.	.	PUNCT
ajst-20791	25	1	the	the	DET
ajst-20791	25	2	icesat-2	icesat-2	PROPN
ajst-20791	25	3	with	with	ADP
ajst-20791	25	4	the	the	DET
ajst-20791	25	5	atlas	atlas	PROPN
ajst-20791	25	6	instrument	instrument	NOUN
ajst-20791	25	7	,	,	PUNCT
ajst-20791	25	8	which	which	PRON
ajst-20791	25	9	adopts	adopt	VERB
ajst-20791	25	10	a	a	DET
ajst-20791	25	11	multi	multi	ADJ
ajst-20791	25	12	-	-	ADJ
ajst-20791	25	13	beam	beam	ADJ
ajst-20791	25	14	system	system	NOUN
ajst-20791	25	15	and	and	CCONJ
ajst-20791	25	16	achieves	achieve	VERB
ajst-20791	25	17	a	a	DET
ajst-20791	25	18	spatial	spatial	ADJ
ajst-20791	25	19	resolution	resolution	NOUN
ajst-20791	25	20	of	of	ADP
ajst-20791	25	21	70	70	NUM
ajst-20791	25	22	cm	cm	NOUN
ajst-20791	25	23	,	,	PUNCT
ajst-20791	25	24	provides	provide	VERB
ajst-20791	25	25	photon	photon	NOUN
ajst-20791	25	26	-	-	PUNCT
ajst-20791	25	27	counting	count	VERB
ajst-20791	25	28	data	datum	NOUN
ajst-20791	25	29	,	,	PUNCT
ajst-20791	25	30	meaning	mean	VERB
ajst-20791	25	31	that	that	SCONJ
ajst-20791	25	32	every	every	DET
ajst-20791	25	33	photon	photon	NOUN
ajst-20791	25	34	event	event	NOUN
ajst-20791	25	35	is	be	AUX
ajst-20791	25	36	marked	mark	VERB
ajst-20791	25	37	with	with	ADP
ajst-20791	25	38	position	position	NOUN
ajst-20791	25	39	and	and	CCONJ
ajst-20791	25	40	time	time	NOUN
ajst-20791	25	41	.	.	PUNCT
ajst-20791	26	1	therefore	therefore	ADV
ajst-20791	26	2	,	,	PUNCT
ajst-20791	26	3	studying	study	VERB
ajst-20791	26	4	icesat-2	icesat-2	NUM
ajst-20791	26	5	data	datum	NOUN
ajst-20791	26	6	for	for	ADP
ajst-20791	26	7	obtaining	obtain	VERB
ajst-20791	26	8	elevation	elevation	NOUN
ajst-20791	26	9	changes	change	NOUN
ajst-20791	26	10	of	of	ADP
ajst-20791	26	11	the	the	DET
ajst-20791	26	12	same	same	ADJ
ajst-20791	26	13	area	area	NOUN
ajst-20791	26	14	at	at	ADP
ajst-20791	26	15	different	different	ADJ
ajst-20791	26	16	times	time	NOUN
ajst-20791	26	17	is	be	AUX
ajst-20791	26	18	of	of	ADP
ajst-20791	26	19	significant	significant	ADJ
ajst-20791	26	20	importance	importance	NOUN
ajst-20791	26	21	[	[	X
ajst-20791	26	22	1922	1922	NUM
ajst-20791	26	23	]	]	PUNCT
ajst-20791	26	24	.	.	PUNCT
ajst-20791	27	1	huang	huang	PROPN
ajst-20791	27	2	jiapeng	jiapeng	PROPN
ajst-20791	27	3	and	and	CCONJ
ajst-20791	27	4	others	other	NOUN
ajst-20791	27	5	used	use	VERB
ajst-20791	27	6	strong	strong	ADJ
ajst-20791	27	7	and	and	CCONJ
ajst-20791	27	8	weak	weak	ADJ
ajst-20791	27	9	beam	beam	NOUN
ajst-20791	27	10	data	datum	NOUN
ajst-20791	27	11	from	from	ADP
ajst-20791	27	12	icesat-2	icesat-2	NOUN
ajst-20791	27	13	/	/	SYM
ajst-20791	27	14	atlas	atlas	PROPN
ajst-20791	27	15	to	to	PART
ajst-20791	27	16	invert	invert	VERB
ajst-20791	27	17	under	under	ADP
ajst-20791	27	18	-	-	PUNCT
ajst-20791	27	19	canopy	canopy	NOUN
ajst-20791	27	20	dtm	dtm	PROPN
ajst-20791	27	21	,	,	PUNCT
ajst-20791	27	22	showing	show	VERB
ajst-20791	27	23	that	that	SCONJ
ajst-20791	27	24	the	the	DET
ajst-20791	27	25	strong	strong	ADJ
ajst-20791	27	26	beam	beam	NOUN
ajst-20791	27	27	had	have	VERB
ajst-20791	27	28	better	well	ADJ
ajst-20791	27	29	inversion	inversion	NOUN
ajst-20791	27	30	accuracy	accuracy	NOUN
ajst-20791	27	31	than	than	ADP
ajst-20791	27	32	the	the	DET
ajst-20791	27	33	weak	weak	ADJ
ajst-20791	27	34	beam	beam	NOUN
ajst-20791	27	35	[	[	X
ajst-20791	27	36	19	19	NUM
ajst-20791	27	37	-	-	SYM
ajst-20791	27	38	20	20	NUM
ajst-20791	27	39	]	]	PUNCT
ajst-20791	27	40	.	.	PUNCT
ajst-20791	28	1	zhu	zhu	PROPN
ajst-20791	28	2	jun	jun	PROPN
ajst-20791	28	3	and	and	CCONJ
ajst-20791	28	4	others	other	NOUN
ajst-20791	28	5	discussed	discuss	VERB
ajst-20791	28	6	the	the	DET
ajst-20791	28	7	impact	impact	NOUN
ajst-20791	28	8	of	of	ADP
ajst-20791	28	9	data	datum	NOUN
ajst-20791	28	10	acquisition	acquisition	NOUN
ajst-20791	28	11	time	time	NOUN
ajst-20791	28	12	,	,	PUNCT
ajst-20791	28	13	vegetation	vegetation	NOUN
ajst-20791	28	14	coverage	coverage	NOUN
ajst-20791	28	15	,	,	PUNCT
ajst-20791	28	16	terrain	terrain	NOUN
ajst-20791	28	17	slope	slope	NOUN
ajst-20791	28	18	,	,	PUNCT
ajst-20791	28	19	and	and	CCONJ
ajst-20791	28	20	season	season	NOUN
ajst-20791	28	21	on	on	ADP
ajst-20791	28	22	the	the	DET
ajst-20791	28	23	accuracy	accuracy	NOUN
ajst-20791	28	24	of	of	ADP
ajst-20791	28	25	terrain	terrain	NOUN
ajst-20791	28	26	data	datum	NOUN
ajst-20791	28	27	extracted	extract	VERB
ajst-20791	28	28	from	from	ADP
ajst-20791	28	29	icesat-2	icesat-2	NUM
ajst-20791	28	30	atl08	atl08	NOUN
ajst-20791	28	31	data	datum	NOUN
ajst-20791	28	32	[	[	X
ajst-20791	28	33	21	21	NUM
ajst-20791	28	34	]	]	PUNCT
ajst-20791	28	35	.	.	PUNCT
ajst-20791	29	1	pang	pang	NOUN
ajst-20791	29	2	shujian	shujian	NOUN
ajst-20791	29	3	and	and	CCONJ
ajst-20791	29	4	others	other	NOUN
ajst-20791	29	5	92	92	NUM
ajst-20791	29	6	used	use	VERB
ajst-20791	29	7	icesat-2	icesat-2	NUM
ajst-20791	29	8	laser	laser	NOUN
ajst-20791	29	9	height	height	NOUN
ajst-20791	29	10	data	datum	NOUN
ajst-20791	29	11	,	,	PUNCT
ajst-20791	29	12	srtm	srtm	PROPN
ajst-20791	29	13	data	data	PROPN
ajst-20791	29	14	,	,	PUNCT
ajst-20791	29	15	terrasarx	terrasarx	ADJ
ajst-20791	29	16	/	/	SYM
ajst-20791	29	17	tandem	tandem	NOUN
ajst-20791	29	18	-	-	PUNCT
ajst-20791	29	19	x	x	NOUN
ajst-20791	29	20	synthetic	synthetic	ADJ
ajst-20791	29	21	aperture	aperture	NOUN
ajst-20791	29	22	radar	radar	NOUN
ajst-20791	29	23	,	,	PUNCT
ajst-20791	29	24	and	and	CCONJ
ajst-20791	29	25	other	other	ADJ
ajst-20791	29	26	data	datum	NOUN
ajst-20791	29	27	to	to	PART
ajst-20791	29	28	study	study	VERB
ajst-20791	29	29	the	the	DET
ajst-20791	29	30	elevation	elevation	NOUN
ajst-20791	29	31	changes	change	NOUN
ajst-20791	29	32	of	of	ADP
ajst-20791	29	33	malan	malan	PROPN
ajst-20791	29	34	mountain	mountain	PROPN
ajst-20791	29	35	glacier	glacier	NOUN
ajst-20791	29	36	from	from	ADP
ajst-20791	29	37	2000	2000	NUM
ajst-20791	29	38	to	to	ADP
ajst-20791	29	39	2020	2020	NUM
ajst-20791	29	40	.	.	PUNCT
ajst-20791	30	1	the	the	DET
ajst-20791	30	2	research	research	NOUN
ajst-20791	30	3	indicated	indicate	VERB
ajst-20791	30	4	that	that	SCONJ
ajst-20791	30	5	the	the	DET
ajst-20791	30	6	surface	surface	NOUN
ajst-20791	30	7	elevation	elevation	NOUN
ajst-20791	30	8	change	change	NOUN
ajst-20791	30	9	of	of	ADP
ajst-20791	30	10	41	41	NUM
ajst-20791	30	11	glaciers	glacier	NOUN
ajst-20791	30	12	was	be	AUX
ajst-20791	30	13	-5.64±0.96	-5.64±0.96	PROPN
ajst-20791	30	14	m	m	PROPN
ajst-20791	30	15	,	,	PUNCT
ajst-20791	30	16	showing	show	VERB
ajst-20791	30	17	an	an	DET
ajst-20791	30	18	obvious	obvious	ADJ
ajst-20791	30	19	negative	negative	ADJ
ajst-20791	30	20	balance	balance	NOUN
ajst-20791	30	21	influenced	influence	VERB
ajst-20791	30	22	by	by	ADP
ajst-20791	30	23	the	the	DET
ajst-20791	30	24	increase	increase	NOUN
ajst-20791	30	25	in	in	ADP
ajst-20791	30	26	summer	summer	NOUN
ajst-20791	30	27	temperatures	temperature	NOUN
ajst-20791	30	28	[	[	X
ajst-20791	30	29	22	22	NUM
ajst-20791	30	30	]	]	PUNCT
ajst-20791	30	31	.	.	PUNCT
ajst-20791	31	1	in	in	ADP
ajst-20791	31	2	summary	summary	NOUN
ajst-20791	31	3	,	,	PUNCT
ajst-20791	31	4	research	research	NOUN
ajst-20791	31	5	on	on	ADP
ajst-20791	31	6	surface	surface	NOUN
ajst-20791	31	7	elevation	elevation	NOUN
ajst-20791	31	8	changes	change	NOUN
ajst-20791	31	9	based	base	VERB
ajst-20791	31	10	on	on	ADP
ajst-20791	31	11	laser	laser	NOUN
ajst-20791	31	12	altimetry	altimetry	NOUN
ajst-20791	31	13	data	datum	NOUN
ajst-20791	31	14	provides	provide	VERB
ajst-20791	31	15	new	new	ADJ
ajst-20791	31	16	perspectives	perspective	NOUN
ajst-20791	31	17	and	and	CCONJ
ajst-20791	31	18	data	datum	NOUN
ajst-20791	31	19	support	support	NOUN
ajst-20791	31	20	to	to	PART
ajst-20791	31	21	deeply	deeply	ADV
ajst-20791	31	22	understand	understand	VERB
ajst-20791	31	23	dynamic	dynamic	ADJ
ajst-20791	31	24	changes	change	NOUN
ajst-20791	31	25	in	in	ADP
ajst-20791	31	26	the	the	DET
ajst-20791	31	27	earth	earth	NOUN
ajst-20791	31	28	's	's	PART
ajst-20791	31	29	surface	surface	NOUN
ajst-20791	31	30	.	.	PUNCT
ajst-20791	32	1	to	to	PART
ajst-20791	32	2	explore	explore	VERB
ajst-20791	32	3	the	the	DET
ajst-20791	32	4	inversion	inversion	NOUN
ajst-20791	32	5	of	of	ADP
ajst-20791	32	6	surface	surface	NOUN
ajst-20791	32	7	elevation	elevation	NOUN
ajst-20791	32	8	changes	change	NOUN
ajst-20791	32	9	using	use	VERB
ajst-20791	32	10	icesat-2	icesat-2	PROPN
ajst-20791	32	11	/	/	SYM
ajst-20791	32	12	atlas	atlas	PROPN
ajst-20791	32	13	data	datum	NOUN
ajst-20791	32	14	at	at	ADP
ajst-20791	32	15	different	different	ADJ
ajst-20791	32	16	times	time	NOUN
ajst-20791	32	17	in	in	ADP
ajst-20791	32	18	the	the	DET
ajst-20791	32	19	same	same	ADJ
ajst-20791	32	20	region	region	NOUN
ajst-20791	32	21	,	,	PUNCT
ajst-20791	32	22	this	this	DET
ajst-20791	32	23	study	study	NOUN
ajst-20791	32	24	utilizes	utilize	VERB
ajst-20791	32	25	atl03	atl03	PROPN
ajst-20791	32	26	and	and	CCONJ
ajst-20791	32	27	atl08	atl08	NOUN
ajst-20791	32	28	data	datum	NOUN
ajst-20791	32	29	products	product	NOUN
ajst-20791	32	30	as	as	ADP
ajst-20791	32	31	research	research	NOUN
ajst-20791	32	32	objects	object	NOUN
ajst-20791	32	33	for	for	ADP
ajst-20791	32	34	the	the	DET
ajst-20791	32	35	study	study	NOUN
ajst-20791	32	36	area	area	NOUN
ajst-20791	32	37	.	.	PUNCT
ajst-20791	33	1	2	2	X
ajst-20791	33	2	.	.	X
ajst-20791	33	3	research	research	NOUN
ajst-20791	33	4	area	area	NOUN
ajst-20791	33	5	and	and	CCONJ
ajst-20791	33	6	data	datum	NOUN
ajst-20791	33	7	2.1	2.1	NUM
ajst-20791	33	8	.	.	PUNCT
ajst-20791	34	1	study	study	NOUN
ajst-20791	34	2	area	area	NOUN
ajst-20791	34	3	the	the	DET
ajst-20791	34	4	delong	delong	PROPN
ajst-20791	34	5	open	open	ADJ
ajst-20791	34	6	-	-	PUNCT
ajst-20791	34	7	pit	pit	NOUN
ajst-20791	34	8	mine	mine	NOUN
ajst-20791	34	9	and	and	CCONJ
ajst-20791	34	10	the	the	DET
ajst-20791	34	11	bulianta	bulianta	PROPN
ajst-20791	34	12	open	open	ADJ
ajst-20791	34	13	-	-	PUNCT
ajst-20791	34	14	pit	pit	NOUN
ajst-20791	34	15	mine	mine	NOUN
ajst-20791	34	16	are	be	AUX
ajst-20791	34	17	located	locate	VERB
ajst-20791	34	18	in	in	ADP
ajst-20791	34	19	wulanmuren	wulanmuren	PROPN
ajst-20791	34	20	township	township	PROPN
ajst-20791	34	21	,	,	PUNCT
ajst-20791	34	22	yijinhuoluo	yijinhuoluo	NOUN
ajst-20791	34	23	banner	banner	NOUN
ajst-20791	34	24	,	,	PUNCT
ajst-20791	34	25	ordos	ordo	VERB
ajst-20791	34	26	city	city	PROPN
ajst-20791	34	27	,	,	PUNCT
ajst-20791	34	28	inner	inner	PROPN
ajst-20791	34	29	mongolia	mongolia	PROPN
ajst-20791	34	30	autonomous	autonomous	PROPN
ajst-20791	34	31	region	region	NOUN
ajst-20791	34	32	.	.	PUNCT
ajst-20791	35	1	the	the	DET
ajst-20791	35	2	central	central	ADJ
ajst-20791	35	3	coordinates	coordinate	NOUN
ajst-20791	35	4	of	of	ADP
ajst-20791	35	5	the	the	DET
ajst-20791	35	6	mining	mining	NOUN
ajst-20791	35	7	areas	area	NOUN
ajst-20791	35	8	are	be	AUX
ajst-20791	35	9	approximately	approximately	ADV
ajst-20791	35	10	(	(	PUNCT
ajst-20791	35	11	110	110	NUM
ajst-20791	35	12	°	°	NUM
ajst-20791	35	13	07′27″e	07′27″e	VERB
ajst-20791	35	14	,	,	PUNCT
ajst-20791	35	15	39	39	NUM
ajst-20791	35	16	°	°	NUM
ajst-20791	35	17	23′43″n	23′43″n	NUM
ajst-20791	35	18	)	)	PUNCT
ajst-20791	35	19	for	for	ADP
ajst-20791	35	20	the	the	DET
ajst-20791	35	21	delong	delong	PROPN
ajst-20791	35	22	open	open	ADJ
ajst-20791	35	23	-	-	PUNCT
ajst-20791	35	24	pit	pit	NOUN
ajst-20791	35	25	mine	mine	NOUN
ajst-20791	35	26	and	and	CCONJ
ajst-20791	35	27	(	(	PUNCT
ajst-20791	35	28	110	110	NUM
ajst-20791	35	29	°	°	NUM
ajst-20791	35	30	10′18″e	10′18″e	NUM
ajst-20791	35	31	,	,	PUNCT
ajst-20791	35	32	39	39	NUM
ajst-20791	35	33	°	°	NUM
ajst-20791	35	34	21′02″n	21′02″n	NUM
ajst-20791	35	35	)	)	PUNCT
ajst-20791	35	36	for	for	ADP
ajst-20791	35	37	the	the	DET
ajst-20791	35	38	bulianta	bulianta	PROPN
ajst-20791	35	39	open	open	ADJ
ajst-20791	35	40	-	-	PUNCT
ajst-20791	35	41	pit	pit	NOUN
ajst-20791	35	42	mine.the	mine.the	PRON
ajst-20791	35	43	ulanmulun	ulanmulun	ADJ
ajst-20791	35	44	coal	coal	NOUN
ajst-20791	35	45	mine	mine	NOUN
ajst-20791	35	46	dedicated	dedicate	VERB
ajst-20791	35	47	coal	coal	NOUN
ajst-20791	35	48	transportation	transportation	NOUN
ajst-20791	35	49	line	line	NOUN
ajst-20791	35	50	runs	run	VERB
ajst-20791	35	51	from	from	ADP
ajst-20791	35	52	north	north	NOUN
ajst-20791	35	53	to	to	ADP
ajst-20791	35	54	south	south	NOUN
ajst-20791	35	55	through	through	ADP
ajst-20791	35	56	the	the	DET
ajst-20791	35	57	mining	mining	NOUN
ajst-20791	35	58	areas	area	NOUN
ajst-20791	35	59	,	,	PUNCT
ajst-20791	35	60	while	while	SCONJ
ajst-20791	35	61	the	the	DET
ajst-20791	35	62	bao	bao	PROPN
ajst-20791	35	63	-	-	PUNCT
ajst-20791	35	64	shen	shen	PROPN
ajst-20791	35	65	railway	railway	PROPN
ajst-20791	35	66	and	and	CCONJ
ajst-20791	35	67	bao	bao	PROPN
ajst-20791	35	68	-	-	PUNCT
ajst-20791	35	69	fu	fu	NOUN
ajst-20791	35	70	highway	highway	NOUN
ajst-20791	35	71	pass	pass	VERB
ajst-20791	35	72	through	through	ADP
ajst-20791	35	73	the	the	DET
ajst-20791	35	74	town	town	NOUN
ajst-20791	35	75	from	from	ADP
ajst-20791	35	76	north	north	NOUN
ajst-20791	35	77	to	to	ADP
ajst-20791	35	78	south	south	NOUN
ajst-20791	35	79	,	,	PUNCT
ajst-20791	35	80	providing	provide	VERB
ajst-20791	35	81	convenient	convenient	ADJ
ajst-20791	35	82	transportation	transportation	NOUN
ajst-20791	35	83	conditions	condition	NOUN
ajst-20791	35	84	for	for	ADP
ajst-20791	35	85	the	the	DET
ajst-20791	35	86	mining	mining	NOUN
ajst-20791	35	87	area.the	area.the	DET
ajst-20791	35	88	climate	climate	NOUN
ajst-20791	35	89	in	in	ADP
ajst-20791	35	90	the	the	DET
ajst-20791	35	91	mining	mining	NOUN
ajst-20791	35	92	area	area	NOUN
ajst-20791	35	93	is	be	AUX
ajst-20791	35	94	classified	classify	VERB
ajst-20791	35	95	as	as	ADP
ajst-20791	35	96	a	a	DET
ajst-20791	35	97	semi	semi	NOUN
ajst-20791	35	98	-	-	NOUN
ajst-20791	35	99	desert	desert	NOUN
ajst-20791	35	100	,	,	PUNCT
ajst-20791	35	101	semi	semi	ADJ
ajst-20791	35	102	-	-	ADJ
ajst-20791	35	103	arid	arid	ADJ
ajst-20791	35	104	plateau	plateau	PROPN
ajst-20791	35	105	continental	continental	ADJ
ajst-20791	35	106	climate	climate	NOUN
ajst-20791	35	107	.	.	PUNCT
ajst-20791	36	1	it	it	PRON
ajst-20791	36	2	experiences	experience	VERB
ajst-20791	36	3	abundant	abundant	ADJ
ajst-20791	36	4	sunshine	sunshine	NOUN
ajst-20791	36	5	,	,	PUNCT
ajst-20791	36	6	intense	intense	ADJ
ajst-20791	36	7	solar	solar	ADJ
ajst-20791	36	8	radiation	radiation	NOUN
ajst-20791	36	9	,	,	PUNCT
ajst-20791	36	10	large	large	ADJ
ajst-20791	36	11	diurnal	diurnal	ADJ
ajst-20791	36	12	temperature	temperature	NOUN
ajst-20791	36	13	variations	variation	NOUN
ajst-20791	36	14	,	,	PUNCT
ajst-20791	36	15	cold	cold	ADJ
ajst-20791	36	16	winters	winter	NOUN
ajst-20791	36	17	,	,	PUNCT
ajst-20791	36	18	hot	hot	ADJ
ajst-20791	36	19	summers	summer	NOUN
ajst-20791	36	20	,	,	PUNCT
ajst-20791	36	21	and	and	CCONJ
ajst-20791	36	22	dry	dry	ADJ
ajst-20791	36	23	and	and	CCONJ
ajst-20791	36	24	windy	windy	ADJ
ajst-20791	36	25	springs	spring	NOUN
ajst-20791	36	26	and	and	CCONJ
ajst-20791	36	27	autumns.the	autumns.the	DET
ajst-20791	36	28	terrain	terrain	NOUN
ajst-20791	36	29	features	feature	NOUN
ajst-20791	36	30	of	of	ADP
ajst-20791	36	31	the	the	DET
ajst-20791	36	32	mining	mining	NOUN
ajst-20791	36	33	area	area	NOUN
ajst-20791	36	34	show	show	VERB
ajst-20791	36	35	the	the	DET
ajst-20791	36	36	characteristics	characteristic	NOUN
ajst-20791	36	37	of	of	ADP
ajst-20791	36	38	a	a	DET
ajst-20791	36	39	plateau	plateau	NOUN
ajst-20791	36	40	erosion	erosion	NOUN
ajst-20791	36	41	hilly	hilly	ADV
ajst-20791	36	42	landform	landform	NOUN
ajst-20791	36	43	,	,	PUNCT
ajst-20791	36	44	with	with	ADP
ajst-20791	36	45	the	the	DET
ajst-20791	36	46	overall	overall	ADJ
ajst-20791	36	47	topography	topography	NOUN
ajst-20791	36	48	sloping	slope	VERB
ajst-20791	36	49	from	from	ADP
ajst-20791	36	50	west	west	PROPN
ajst-20791	36	51	to	to	ADP
ajst-20791	36	52	east	east	PROPN
ajst-20791	36	53	,	,	PUNCT
ajst-20791	36	54	and	and	CCONJ
ajst-20791	36	55	an	an	DET
ajst-20791	36	56	elevation	elevation	NOUN
ajst-20791	36	57	ranging	range	VERB
ajst-20791	36	58	from	from	ADP
ajst-20791	36	59	1180	1180	NUM
ajst-20791	36	60	to	to	ADP
ajst-20791	36	61	1210	1210	NUM
ajst-20791	36	62	meters	meter	NOUN
ajst-20791	36	63	above	above	ADP
ajst-20791	36	64	sea	sea	NOUN
ajst-20791	36	65	level.the	level.the	DET
ajst-20791	36	66	mining	mining	NOUN
ajst-20791	36	67	area	area	NOUN
ajst-20791	36	68	is	be	AUX
ajst-20791	36	69	extensively	extensively	ADV
ajst-20791	36	70	covered	cover	VERB
ajst-20791	36	71	by	by	ADP
ajst-20791	36	72	quaternary	quaternary	ADJ
ajst-20791	36	73	aeolian	aeolian	ADJ
ajst-20791	36	74	sands	sand	NOUN
ajst-20791	36	75	and	and	CCONJ
ajst-20791	36	76	is	be	AUX
ajst-20791	36	77	classified	classify	VERB
ajst-20791	36	78	as	as	ADP
ajst-20791	36	79	a	a	DET
ajst-20791	36	80	semi	semi	NOUN
ajst-20791	36	81	-	-	NOUN
ajst-20791	36	82	desert	desert	NOUN
ajst-20791	36	83	and	and	CCONJ
ajst-20791	36	84	desert	desert	NOUN
ajst-20791	36	85	region	region	NOUN
ajst-20791	36	86	.	.	PUNCT
ajst-20791	37	1	the	the	DET
ajst-20791	37	2	climate	climate	NOUN
ajst-20791	37	3	is	be	AUX
ajst-20791	37	4	characterized	characterize	VERB
ajst-20791	37	5	by	by	ADP
ajst-20791	37	6	a	a	DET
ajst-20791	37	7	semi	semi	NOUN
ajst-20791	37	8	-	-	NOUN
ajst-20791	37	9	desert	desert	NOUN
ajst-20791	37	10	,	,	PUNCT
ajst-20791	37	11	semi	semi	ADJ
ajst-20791	37	12	-	-	ADJ
ajst-20791	37	13	arid	arid	ADJ
ajst-20791	37	14	plateau	plateau	PROPN
ajst-20791	37	15	continental	continental	ADJ
ajst-20791	37	16	climate	climate	NOUN
ajst-20791	37	17	,	,	PUNCT
ajst-20791	37	18	with	with	ADP
ajst-20791	37	19	abundant	abundant	ADJ
ajst-20791	37	20	sunshine	sunshine	NOUN
ajst-20791	37	21	and	and	CCONJ
ajst-20791	37	22	intense	intense	ADJ
ajst-20791	37	23	solar	solar	ADJ
ajst-20791	37	24	radiation	radiation	NOUN
ajst-20791	37	25	.	.	PUNCT
ajst-20791	38	1	the	the	DET
ajst-20791	38	2	diurnal	diurnal	ADJ
ajst-20791	38	3	temperature	temperature	NOUN
ajst-20791	38	4	variation	variation	NOUN
ajst-20791	38	5	is	be	AUX
ajst-20791	38	6	significant	significant	ADJ
ajst-20791	38	7	.	.	PUNCT
ajst-20791	39	1	the	the	DET
ajst-20791	39	2	annual	annual	ADJ
ajst-20791	39	3	precipitation	precipitation	NOUN
ajst-20791	39	4	ranges	range	VERB
ajst-20791	39	5	from	from	ADP
ajst-20791	39	6	194.7	194.7	NUM
ajst-20791	39	7	to	to	ADP
ajst-20791	39	8	531.6	531.6	NUM
ajst-20791	39	9	mm	mm	NOUN
ajst-20791	39	10	,	,	PUNCT
ajst-20791	39	11	and	and	CCONJ
ajst-20791	39	12	the	the	DET
ajst-20791	39	13	annual	annual	ADJ
ajst-20791	39	14	evaporation	evaporation	NOUN
ajst-20791	39	15	is	be	AUX
ajst-20791	39	16	between	between	ADP
ajst-20791	39	17	2297.4	2297.4	NUM
ajst-20791	39	18	to	to	ADP
ajst-20791	39	19	2833.0	2833.0	NUM
ajst-20791	39	20	mm	mm	NOUN
ajst-20791	39	21	,	,	PUNCT
ajst-20791	39	22	which	which	PRON
ajst-20791	39	23	is	be	AUX
ajst-20791	39	24	5	5	NUM
ajst-20791	39	25	to	to	PART
ajst-20791	39	26	11	11	NUM
ajst-20791	39	27	times	time	NOUN
ajst-20791	39	28	the	the	DET
ajst-20791	39	29	annual	annual	ADJ
ajst-20791	39	30	precipitation	precipitation	NOUN
ajst-20791	39	31	amount	amount	NOUN
ajst-20791	39	32	.	.	PUNCT
ajst-20791	40	1	figure	figure	NOUN
ajst-20791	40	2	1	1	NUM
ajst-20791	40	3	.	.	PUNCT
ajst-20791	40	4	research	research	NOUN
ajst-20791	40	5	area	area	NOUN
ajst-20791	40	6	overview	overview	VERB
ajst-20791	40	7	2.2	2.2	NUM
ajst-20791	40	8	.	.	PUNCT
ajst-20791	41	1	icesat-2	icesat-2	NUM
ajst-20791	41	2	data	data	NOUN
ajst-20791	41	3	acquisition	acquisition	NOUN
ajst-20791	41	4	modes	mode	NOUN
ajst-20791	41	5	during	during	ADP
ajst-20791	41	6	its	its	PRON
ajst-20791	41	7	orbit	orbit	NOUN
ajst-20791	41	8	around	around	ADP
ajst-20791	41	9	the	the	DET
ajst-20791	41	10	earth	earth	NOUN
ajst-20791	41	11	at	at	ADP
ajst-20791	41	12	a	a	DET
ajst-20791	41	13	nominal	nominal	ADJ
ajst-20791	41	14	altitude	altitude	NOUN
ajst-20791	41	15	of	of	ADP
ajst-20791	41	16	about	about	ADV
ajst-20791	41	17	500	500	NUM
ajst-20791	41	18	km	km	NOUN
ajst-20791	41	19	,	,	PUNCT
ajst-20791	41	20	the	the	DET
ajst-20791	41	21	icesat-2	icesat-2	NUM
ajst-20791	41	22	satellite	satellite	NOUN
ajst-20791	41	23	carries	carry	VERB
ajst-20791	41	24	an	an	DET
ajst-20791	41	25	advanced	advanced	ADJ
ajst-20791	41	26	topographic	topographic	ADJ
ajst-20791	41	27	laser	laser	NOUN
ajst-20791	41	28	altimeter	altimeter	NOUN
ajst-20791	41	29	system	system	NOUN
ajst-20791	41	30	(	(	PUNCT
ajst-20791	41	31	atlas	atlas	PROPN
ajst-20791	41	32	)	)	PUNCT
ajst-20791	41	33	that	that	PRON
ajst-20791	41	34	releases	release	VERB
ajst-20791	41	35	104	104	NUM
ajst-20791	41	36	laser	laser	NOUN
ajst-20791	41	37	pulses	pulse	NOUN
ajst-20791	41	38	to	to	ADP
ajst-20791	41	39	the	the	DET
ajst-20791	41	40	earth	earth	NOUN
ajst-20791	41	41	's	's	PART
ajst-20791	41	42	surface	surface	NOUN
ajst-20791	41	43	every	every	DET
ajst-20791	41	44	second	second	NOUN
ajst-20791	41	45	.	.	PUNCT
ajst-20791	42	1	each	each	DET
ajst-20791	42	2	laser	laser	NOUN
ajst-20791	42	3	pulse	pulse	NOUN
ajst-20791	42	4	contains	contain	VERB
ajst-20791	42	5	approximately	approximately	ADV
ajst-20791	42	6	3	3	NUM
ajst-20791	42	7	billion	billion	NUM
ajst-20791	42	8	photons	photon	NOUN
ajst-20791	42	9	,	,	PUNCT
ajst-20791	42	10	but	but	CCONJ
ajst-20791	42	11	fewer	few	ADJ
ajst-20791	42	12	than	than	ADP
ajst-20791	42	13	60	60	NUM
ajst-20791	42	14	photons	photon	NOUN
ajst-20791	42	15	are	be	AUX
ajst-20791	42	16	detected	detect	VERB
ajst-20791	42	17	when	when	SCONJ
ajst-20791	42	18	they	they	PRON
ajst-20791	42	19	return	return	VERB
ajst-20791	42	20	to	to	ADP
ajst-20791	42	21	the	the	DET
ajst-20791	42	22	photon	photon	NOUN
ajst-20791	42	23	telescope	telescope	NOUN
ajst-20791	42	24	,	,	PUNCT
ajst-20791	42	25	as	as	SCONJ
ajst-20791	42	26	shown	show	VERB
ajst-20791	42	27	in	in	ADP
ajst-20791	42	28	figure	figure	NOUN
ajst-20791	42	29	2(a	2(a	NUM
ajst-20791	42	30	)	)	PUNCT
ajst-20791	42	31	.	.	PUNCT
ajst-20791	43	1	each	each	DET
ajst-20791	43	2	pulse	pulse	NOUN
ajst-20791	43	3	is	be	AUX
ajst-20791	43	4	split	split	VERB
ajst-20791	43	5	into	into	ADP
ajst-20791	43	6	six	six	NUM
ajst-20791	43	7	laser	laser	NOUN
ajst-20791	43	8	beams	beam	NOUN
ajst-20791	43	9	,	,	PUNCT
ajst-20791	43	10	creating	create	VERB
ajst-20791	43	11	footprints	footprint	NOUN
ajst-20791	43	12	with	with	ADP
ajst-20791	43	13	a	a	DET
ajst-20791	43	14	diameter	diameter	NOUN
ajst-20791	43	15	of	of	ADP
ajst-20791	43	16	approximately	approximately	ADV
ajst-20791	43	17	17	17	NUM
ajst-20791	43	18	meters	meter	NOUN
ajst-20791	43	19	on	on	ADP
ajst-20791	43	20	the	the	DET
ajst-20791	43	21	earth	earth	NOUN
ajst-20791	43	22	's	's	PART
ajst-20791	43	23	surface	surface	NOUN
ajst-20791	43	24	.	.	PUNCT
ajst-20791	44	1	the	the	DET
ajst-20791	44	2	beams	beam	NOUN
ajst-20791	44	3	are	be	AUX
ajst-20791	44	4	arranged	arrange	VERB
ajst-20791	44	5	in	in	ADP
ajst-20791	44	6	three	three	NUM
ajst-20791	44	7	groups	group	NOUN
ajst-20791	44	8	of	of	ADP
ajst-20791	44	9	six	six	NUM
ajst-20791	44	10	columns	column	NOUN
ajst-20791	44	11	each	each	PRON
ajst-20791	44	12	,	,	PUNCT
ajst-20791	44	13	labeled	label	VERB
ajst-20791	44	14	as	as	ADP
ajst-20791	44	15	1l(r	1l(r	NUM
ajst-20791	44	16	)	)	PUNCT
ajst-20791	44	17	,	,	PUNCT
ajst-20791	44	18	2l(r	2l(r	NUM
ajst-20791	44	19	)	)	PUNCT
ajst-20791	44	20	,	,	PUNCT
ajst-20791	44	21	and	and	CCONJ
ajst-20791	44	22	3l(r	3l(r	NUM
ajst-20791	44	23	)	)	PUNCT
ajst-20791	44	24	from	from	ADP
ajst-20791	44	25	left	leave	VERB
ajst-20791	44	26	to	to	ADP
ajst-20791	44	27	right	right	NOUN
ajst-20791	44	28	.	.	PUNCT
ajst-20791	45	1	the	the	DET
ajst-20791	45	2	distance	distance	NOUN
ajst-20791	45	3	between	between	ADP
ajst-20791	45	4	the	the	DET
ajst-20791	45	5	groups	group	NOUN
ajst-20791	45	6	is	be	AUX
ajst-20791	45	7	about	about	ADV
ajst-20791	45	8	2.5	2.5	NUM
ajst-20791	45	9	km	km	NOUN
ajst-20791	45	10	,	,	PUNCT
ajst-20791	45	11	and	and	CCONJ
ajst-20791	45	12	within	within	ADP
ajst-20791	45	13	each	each	DET
ajst-20791	45	14	group	group	NOUN
ajst-20791	45	15	,	,	PUNCT
ajst-20791	45	16	the	the	DET
ajst-20791	45	17	spacing	spacing	NOUN
ajst-20791	45	18	is	be	AUX
ajst-20791	45	19	about	about	ADV
ajst-20791	45	20	90	90	NUM
ajst-20791	45	21	meters	meter	NOUN
ajst-20791	45	22	.	.	PUNCT
ajst-20791	46	1	each	each	DET
ajst-20791	46	2	group	group	NOUN
ajst-20791	46	3	consists	consist	VERB
ajst-20791	46	4	of	of	ADP
ajst-20791	46	5	one	one	NUM
ajst-20791	46	6	strong	strong	ADJ
ajst-20791	46	7	beam	beam	NOUN
ajst-20791	46	8	and	and	CCONJ
ajst-20791	46	9	one	one	NUM
ajst-20791	46	10	weak	weak	ADJ
ajst-20791	46	11	beam	beam	NOUN
ajst-20791	46	12	with	with	ADP
ajst-20791	46	13	an	an	DET
ajst-20791	46	14	energy	energy	NOUN
ajst-20791	46	15	ratio	ratio	NOUN
ajst-20791	46	16	of	of	ADP
ajst-20791	46	17	4:1	4:1	NUM
ajst-20791	46	18	.	.	PUNCT
ajst-20791	47	1	the	the	DET
ajst-20791	47	2	laser	laser	NOUN
ajst-20791	47	3	beams	beam	NOUN
ajst-20791	47	4	collect	collect	VERB
ajst-20791	47	5	point	point	NOUN
ajst-20791	47	6	cloud	cloud	NOUN
ajst-20791	47	7	data	datum	NOUN
ajst-20791	47	8	every	every	DET
ajst-20791	47	9	0.7	0.7	NUM
ajst-20791	47	10	meters	meter	NOUN
ajst-20791	47	11	along	along	ADP
ajst-20791	47	12	the	the	DET
ajst-20791	47	13	track	track	NOUN
ajst-20791	47	14	.	.	PUNCT
ajst-20791	48	1	icesat-2	icesat-2	NUM
ajst-20791	48	2	flight	flight	NOUN
ajst-20791	48	3	modes	mode	NOUN
ajst-20791	48	4	can	can	AUX
ajst-20791	48	5	be	be	AUX
ajst-20791	48	6	categorized	categorize	VERB
ajst-20791	48	7	into	into	ADP
ajst-20791	48	8	three	three	NUM
ajst-20791	48	9	types	type	NOUN
ajst-20791	48	10	:	:	PUNCT
ajst-20791	48	11	forward	forward	ADV
ajst-20791	48	12	,	,	PUNCT
ajst-20791	48	13	backward	backward	ADV
ajst-20791	48	14	,	,	PUNCT
ajst-20791	48	15	and	and	CCONJ
ajst-20791	48	16	transition	transition	NOUN
ajst-20791	48	17	.	.	PUNCT
ajst-20791	49	1	the	the	DET
ajst-20791	49	2	determination	determination	NOUN
ajst-20791	49	3	of	of	ADP
ajst-20791	49	4	the	the	DET
ajst-20791	49	5	flight	flight	NOUN
ajst-20791	49	6	mode	mode	NOUN
ajst-20791	49	7	can	can	AUX
ajst-20791	49	8	be	be	AUX
ajst-20791	49	9	based	base	VERB
ajst-20791	49	10	on	on	ADP
ajst-20791	49	11	the	the	DET
ajst-20791	49	12	"	"	PUNCT
ajst-20791	49	13	sc_orient	sc_orient	NOUN
ajst-20791	49	14	"	"	PUNCT
ajst-20791	49	15	parameter	parameter	NOUN
ajst-20791	49	16	in	in	ADP
ajst-20791	49	17	the	the	DET
ajst-20791	49	18	icesat-2	icesat-2	NUM
ajst-20791	49	19	satellite	satellite	NOUN
ajst-20791	49	20	data	datum	NOUN
ajst-20791	49	21	.	.	PUNCT
ajst-20791	50	1	in	in	ADP
ajst-20791	50	2	figure	figure	NOUN
ajst-20791	50	3	(	(	PUNCT
ajst-20791	50	4	b	b	NOUN
ajst-20791	50	5	)	)	PUNCT
ajst-20791	50	6	,	,	PUNCT
ajst-20791	50	7	when	when	SCONJ
ajst-20791	50	8	the	the	DET
ajst-20791	50	9	weak	weak	ADJ
ajst-20791	50	10	beam	beam	NOUN
ajst-20791	50	11	guides	guide	VERB
ajst-20791	50	12	the	the	DET
ajst-20791	50	13	strong	strong	ADJ
ajst-20791	50	14	beam	beam	NOUN
ajst-20791	50	15	(	(	PUNCT
ajst-20791	50	16	sc_orient=1	sc_orient=1	ADV
ajst-20791	50	17	)	)	PUNCT
ajst-20791	50	18	,	,	PUNCT
ajst-20791	50	19	icesat-2	icesat-2	PROPN
ajst-20791	50	20	is	be	AUX
ajst-20791	50	21	considered	consider	VERB
ajst-20791	50	22	to	to	PART
ajst-20791	50	23	be	be	AUX
ajst-20791	50	24	in	in	ADP
ajst-20791	50	25	the	the	DET
ajst-20791	50	26	forward	forward	ADJ
ajst-20791	50	27	flight	flight	NOUN
ajst-20791	50	28	mode	mode	NOUN
ajst-20791	50	29	(	(	PUNCT
ajst-20791	50	30	along	along	ADP
ajst-20791	50	31	the	the	DET
ajst-20791	50	32	atlas	atlas	PROPN
ajst-20791	50	33	reference	reference	NOUN
ajst-20791	50	34	coordinate	coordinate	NOUN
ajst-20791	50	35	system	system	NOUN
ajst-20791	50	36	+	+	NOUN
ajst-20791	50	37	x	x	NOUN
ajst-20791	50	38	direction	direction	NOUN
ajst-20791	50	39	)	)	PUNCT
ajst-20791	50	40	,	,	PUNCT
ajst-20791	50	41	and	and	CCONJ
ajst-20791	50	42	the	the	DET
ajst-20791	50	43	weak	weak	ADJ
ajst-20791	50	44	beam	beam	NOUN
ajst-20791	50	45	is	be	AUX
ajst-20791	50	46	positioned	position	VERB
ajst-20791	50	47	on	on	ADP
ajst-20791	50	48	the	the	DET
ajst-20791	50	49	left	left	ADJ
ajst-20791	50	50	side	side	NOUN
ajst-20791	50	51	of	of	ADP
ajst-20791	50	52	the	the	DET
ajst-20791	50	53	strong	strong	ADJ
ajst-20791	50	54	beam	beam	NOUN
ajst-20791	50	55	.	.	PUNCT
ajst-20791	51	1	in	in	ADP
ajst-20791	51	2	figure	figure	NOUN
ajst-20791	51	3	(	(	PUNCT
ajst-20791	51	4	c	c	NOUN
ajst-20791	51	5	)	)	PUNCT
ajst-20791	51	6	,	,	PUNCT
ajst-20791	51	7	when	when	SCONJ
ajst-20791	51	8	the	the	DET
ajst-20791	51	9	strong	strong	ADJ
ajst-20791	51	10	beam	beam	NOUN
ajst-20791	51	11	guides	guide	VERB
ajst-20791	51	12	the	the	DET
ajst-20791	51	13	weak	weak	ADJ
ajst-20791	51	14	beam	beam	NOUN
ajst-20791	51	15	(	(	PUNCT
ajst-20791	51	16	sc_orient=0	sc_orient=0	PROPN
ajst-20791	51	17	)	)	PUNCT
ajst-20791	51	18	,	,	PUNCT
ajst-20791	51	19	icesat-2	icesat-2	PROPN
ajst-20791	51	20	is	be	AUX
ajst-20791	51	21	considered	consider	VERB
ajst-20791	51	22	to	to	PART
ajst-20791	51	23	be	be	AUX
ajst-20791	51	24	in	in	ADP
ajst-20791	51	25	the	the	DET
ajst-20791	51	26	backward	backward	ADJ
ajst-20791	51	27	flight	flight	NOUN
ajst-20791	51	28	mode	mode	NOUN
ajst-20791	51	29	(	(	PUNCT
ajst-20791	51	30	along	along	ADP
ajst-20791	51	31	the	the	DET
ajst-20791	51	32	atlas	atlas	PROPN
ajst-20791	51	33	reference	reference	PROPN
ajst-20791	51	34	coordinate	coordinate	NOUN
ajst-20791	51	35	system	system	NOUN
ajst-20791	51	36	-x	-x	NOUN
ajst-20791	51	37	direction	direction	NOUN
ajst-20791	51	38	)	)	PUNCT
ajst-20791	51	39	,	,	PUNCT
ajst-20791	51	40	and	and	CCONJ
ajst-20791	51	41	the	the	DET
ajst-20791	51	42	strong	strong	ADJ
ajst-20791	51	43	beam	beam	NOUN
ajst-20791	51	44	is	be	AUX
ajst-20791	51	45	positioned	position	VERB
ajst-20791	51	46	on	on	ADP
ajst-20791	51	47	the	the	DET
ajst-20791	51	48	left	left	ADJ
ajst-20791	51	49	edge	edge	NOUN
ajst-20791	51	50	of	of	ADP
ajst-20791	51	51	the	the	DET
ajst-20791	51	52	weak	weak	ADJ
ajst-20791	51	53	beam	beam	NOUN
ajst-20791	51	54	.	.	PUNCT
ajst-20791	52	1	during	during	ADP
ajst-20791	52	2	the	the	DET
ajst-20791	52	3	transition	transition	NOUN
ajst-20791	52	4	mode	mode	NOUN
ajst-20791	52	5	,	,	PUNCT
ajst-20791	52	6	which	which	PRON
ajst-20791	52	7	occurs	occur	VERB
ajst-20791	52	8	when	when	SCONJ
ajst-20791	52	9	the	the	DET
ajst-20791	52	10	direction	direction	NOUN
ajst-20791	52	11	of	of	ADP
ajst-20791	52	12	the	the	DET
ajst-20791	52	13	strong	strong	ADJ
ajst-20791	52	14	and	and	CCONJ
ajst-20791	52	15	weak	weak	ADJ
ajst-20791	52	16	beams	beam	NOUN
ajst-20791	52	17	changes	change	NOUN
ajst-20791	52	18	,	,	PUNCT
ajst-20791	52	19	the	the	DET
ajst-20791	52	20	data	datum	NOUN
ajst-20791	52	21	collected	collect	VERB
ajst-20791	52	22	by	by	ADP
ajst-20791	52	23	icesat-2	icesat-2	PROPN
ajst-20791	52	24	is	be	AUX
ajst-20791	52	25	not	not	PART
ajst-20791	52	26	processed	process	VERB
ajst-20791	52	27	.	.	PUNCT
ajst-20791	53	1	93	93	NUM
ajst-20791	53	2	figure	figure	NOUN
ajst-20791	53	3	2	2	NUM
ajst-20791	53	4	.	.	X
ajst-20791	54	1	icesat-2	icesat-2	NUM
ajst-20791	54	2	data	datum	NOUN
ajst-20791	54	3	acquisition	acquisition	NOUN
ajst-20791	54	4	mode	mode	NOUN
ajst-20791	54	5	2.3	2.3	NUM
ajst-20791	54	6	.	.	PUNCT
ajst-20791	55	1	icesat-2	icesat-2	NUM
ajst-20791	55	2	data	datum	NOUN
ajst-20791	55	3	the	the	DET
ajst-20791	55	4	national	national	ADJ
ajst-20791	55	5	snow	snow	NOUN
ajst-20791	55	6	and	and	CCONJ
ajst-20791	55	7	ice	ice	NOUN
ajst-20791	55	8	data	datum	NOUN
ajst-20791	55	9	center	center	NOUN
ajst-20791	55	10	(	(	PUNCT
ajst-20791	55	11	nsidc	nsidc	NOUN
ajst-20791	55	12	)	)	PUNCT
ajst-20791	55	13	of	of	ADP
ajst-20791	55	14	the	the	DET
ajst-20791	55	15	united	united	PROPN
ajst-20791	55	16	states	states	PROPN
ajst-20791	55	17	has	have	AUX
ajst-20791	55	18	released	release	VERB
ajst-20791	55	19	a	a	DET
ajst-20791	55	20	total	total	NOUN
ajst-20791	55	21	of	of	ADP
ajst-20791	55	22	23	23	NUM
ajst-20791	55	23	data	datum	NOUN
ajst-20791	55	24	products	product	NOUN
ajst-20791	55	25	in	in	ADP
ajst-20791	55	26	hdf	hdf	PROPN
ajst-20791	55	27	file	file	NOUN
ajst-20791	55	28	format	format	NOUN
ajst-20791	55	29	under	under	ADP
ajst-20791	55	30	four	four	NUM
ajst-20791	55	31	different	different	ADJ
ajst-20791	55	32	levels	level	NOUN
ajst-20791	55	33	(	(	PUNCT
ajst-20791	55	34	level	level	NOUN
ajst-20791	55	35	1	1	NUM
ajst-20791	55	36	,	,	PUNCT
ajst-20791	55	37	2	2	NUM
ajst-20791	55	38	,	,	PUNCT
ajst-20791	55	39	3a	3a	NUM
ajst-20791	55	40	,	,	PUNCT
ajst-20791	55	41	3b	3b	NUM
ajst-20791	55	42	)	)	PUNCT
ajst-20791	55	43	for	for	ADP
ajst-20791	55	44	the	the	DET
ajst-20791	55	45	icesat-2	icesat-2	NUM
ajst-20791	55	46	mission	mission	NOUN
ajst-20791	55	47	.	.	PUNCT
ajst-20791	56	1	each	each	DET
ajst-20791	56	2	data	datum	NOUN
ajst-20791	56	3	product	product	NOUN
ajst-20791	56	4	,	,	PUNCT
ajst-20791	56	5	ranging	range	VERB
ajst-20791	56	6	from	from	ADP
ajst-20791	56	7	atl02	atl02	PROPN
ajst-20791	56	8	to	to	ADP
ajst-20791	56	9	atl23	atl23	NOUN
ajst-20791	56	10	,	,	PUNCT
ajst-20791	56	11	provides	provide	VERB
ajst-20791	56	12	various	various	ADJ
ajst-20791	56	13	information	information	NOUN
ajst-20791	56	14	with	with	ADP
ajst-20791	56	15	different	different	ADJ
ajst-20791	56	16	time	time	NOUN
ajst-20791	56	17	coverage	coverage	NOUN
ajst-20791	56	18	,	,	PUNCT
ajst-20791	56	19	time	time	NOUN
ajst-20791	56	20	resolution	resolution	NOUN
ajst-20791	56	21	,	,	PUNCT
ajst-20791	56	22	spatial	spatial	ADJ
ajst-20791	56	23	coverage	coverage	NOUN
ajst-20791	56	24	,	,	PUNCT
ajst-20791	56	25	and	and	CCONJ
ajst-20791	56	26	spatial	spatial	ADJ
ajst-20791	56	27	resolution	resolution	NOUN
ajst-20791	56	28	.	.	PUNCT
ajst-20791	57	1	examples	example	NOUN
ajst-20791	57	2	of	of	ADP
ajst-20791	57	3	these	these	DET
ajst-20791	57	4	data	datum	NOUN
ajst-20791	57	5	products	product	NOUN
ajst-20791	57	6	include	include	VERB
ajst-20791	57	7	atl06	atl06	ADJ
ajst-20791	57	8	for	for	ADP
ajst-20791	57	9	land	land	NOUN
ajst-20791	57	10	ice	ice	NOUN
ajst-20791	57	11	height	height	NOUN
ajst-20791	57	12	and	and	CCONJ
ajst-20791	57	13	atl07	atl07	NOUN
ajst-20791	57	14	for	for	ADP
ajst-20791	57	15	sea	sea	NOUN
ajst-20791	57	16	ice	ice	NOUN
ajst-20791	57	17	height	height	NOUN
ajst-20791	57	18	,	,	PUNCT
ajst-20791	57	19	among	among	ADP
ajst-20791	57	20	others	other	NOUN
ajst-20791	57	21	.	.	PUNCT
ajst-20791	58	1	figure	figure	VERB
ajst-20791	58	2	3	3	NUM
ajst-20791	58	3	illustrates	illustrate	VERB
ajst-20791	58	4	the	the	DET
ajst-20791	58	5	different	different	ADJ
ajst-20791	58	6	levels	level	NOUN
ajst-20791	58	7	of	of	ADP
ajst-20791	58	8	data	datum	NOUN
ajst-20791	58	9	products	product	NOUN
ajst-20791	58	10	provided	provide	VERB
ajst-20791	58	11	by	by	ADP
ajst-20791	58	12	icesat-2.for	icesat-2.for	ADP
ajst-20791	58	13	research	research	NOUN
ajst-20791	58	14	purposes	purpose	NOUN
ajst-20791	58	15	,	,	PUNCT
ajst-20791	58	16	the	the	DET
ajst-20791	58	17	atl03	atl03	NOUN
ajst-20791	58	18	data	datum	NOUN
ajst-20791	58	19	product	product	NOUN
ajst-20791	58	20	,	,	PUNCT
ajst-20791	58	21	global	global	ADJ
ajst-20791	58	22	geolocated	geolocate	VERB
ajst-20791	58	23	photon	photon	NOUN
ajst-20791	58	24	data	datum	NOUN
ajst-20791	58	25	,	,	PUNCT
ajst-20791	58	26	is	be	AUX
ajst-20791	58	27	used	use	VERB
ajst-20791	58	28	,	,	PUNCT
ajst-20791	58	29	which	which	PRON
ajst-20791	58	30	stores	store	VERB
ajst-20791	58	31	the	the	DET
ajst-20791	58	32	spatial	spatial	ADJ
ajst-20791	58	33	distribution	distribution	NOUN
ajst-20791	58	34	information	information	NOUN
ajst-20791	58	35	for	for	ADP
ajst-20791	58	36	each	each	DET
ajst-20791	58	37	photon	photon	NOUN
ajst-20791	58	38	,	,	PUNCT
ajst-20791	58	39	including	include	VERB
ajst-20791	58	40	longitude	longitude	NOUN
ajst-20791	58	41	,	,	PUNCT
ajst-20791	58	42	latitude	latitude	NOUN
ajst-20791	58	43	,	,	PUNCT
ajst-20791	58	44	elevation	elevation	NOUN
ajst-20791	58	45	,	,	PUNCT
ajst-20791	58	46	and	and	CCONJ
ajst-20791	58	47	geoid	geoid	ADJ
ajst-20791	58	48	height	height	NOUN
ajst-20791	58	49	correction	correction	NOUN
ajst-20791	58	50	.	.	PUNCT
ajst-20791	59	1	another	another	DET
ajst-20791	59	2	data	data	NOUN
ajst-20791	59	3	product	product	NOUN
ajst-20791	59	4	,	,	PUNCT
ajst-20791	59	5	atl08	atl08	PROPN
ajst-20791	59	6	,	,	PUNCT
ajst-20791	59	7	contains	contain	VERB
ajst-20791	59	8	land	land	NOUN
ajst-20791	59	9	and	and	CCONJ
ajst-20791	59	10	vegetation	vegetation	NOUN
ajst-20791	59	11	height	height	NOUN
ajst-20791	59	12	data	datum	NOUN
ajst-20791	59	13	,	,	PUNCT
ajst-20791	59	14	which	which	PRON
ajst-20791	59	15	classifies	classify	VERB
ajst-20791	59	16	all	all	DET
ajst-20791	59	17	photon	photon	NOUN
ajst-20791	59	18	events	event	NOUN
ajst-20791	59	19	into	into	ADP
ajst-20791	59	20	categories	category	NOUN
ajst-20791	59	21	such	such	ADJ
ajst-20791	59	22	as	as	ADP
ajst-20791	59	23	canopy	canopy	NOUN
ajst-20791	59	24	top	top	ADJ
ajst-20791	59	25	photon	photon	NOUN
ajst-20791	59	26	,	,	PUNCT
ajst-20791	59	27	canopy	canopy	NOUN
ajst-20791	59	28	photon	photon	NOUN
ajst-20791	59	29	,	,	PUNCT
ajst-20791	59	30	ground	ground	NOUN
ajst-20791	59	31	photon	photon	NOUN
ajst-20791	59	32	,	,	PUNCT
ajst-20791	59	33	and	and	CCONJ
ajst-20791	59	34	noise	noise	NOUN
ajst-20791	59	35	photon	photon	NOUN
ajst-20791	59	36	.	.	PUNCT
ajst-20791	60	1	researchers	researcher	NOUN
ajst-20791	60	2	can	can	AUX
ajst-20791	60	3	access	access	VERB
ajst-20791	60	4	the	the	DET
ajst-20791	60	5	atl03	atl03	NOUN
ajst-20791	60	6	and	and	CCONJ
ajst-20791	60	7	atl08	atl08	PROPN
ajst-20791	60	8	data	datum	NOUN
ajst-20791	60	9	used	use	VERB
ajst-20791	60	10	in	in	ADP
ajst-20791	60	11	the	the	DET
ajst-20791	60	12	study	study	NOUN
ajst-20791	60	13	from	from	ADP
ajst-20791	60	14	the	the	DET
ajst-20791	60	15	official	official	ADJ
ajst-20791	60	16	website	website	NOUN
ajst-20791	60	17	(	(	PUNCT
ajst-20791	60	18	https://nsidc.org/data/icesat-2/data	https://nsidc.org/data/icesat-2/data	NUM
ajst-20791	60	19	)	)	PUNCT
ajst-20791	60	20	.	.	PUNCT
ajst-20791	61	1	these	these	DET
ajst-20791	61	2	datasets	dataset	NOUN
ajst-20791	61	3	play	play	VERB
ajst-20791	61	4	a	a	DET
ajst-20791	61	5	crucial	crucial	ADJ
ajst-20791	61	6	role	role	NOUN
ajst-20791	61	7	in	in	ADP
ajst-20791	61	8	understanding	understand	VERB
ajst-20791	61	9	global	global	ADJ
ajst-20791	61	10	ice	ice	NOUN
ajst-20791	61	11	and	and	CCONJ
ajst-20791	61	12	vegetation	vegetation	NOUN
ajst-20791	61	13	changes	change	NOUN
ajst-20791	61	14	and	and	CCONJ
ajst-20791	61	15	are	be	AUX
ajst-20791	61	16	essential	essential	ADJ
ajst-20791	61	17	for	for	ADP
ajst-20791	61	18	various	various	ADJ
ajst-20791	61	19	scientific	scientific	ADJ
ajst-20791	61	20	investigations	investigation	NOUN
ajst-20791	61	21	and	and	CCONJ
ajst-20791	61	22	environmental	environmental	ADJ
ajst-20791	61	23	studies	study	NOUN
ajst-20791	61	24	.	.	PUNCT
ajst-20791	62	1	figure	figure	VERB
ajst-20791	62	2	3	3	NUM
ajst-20791	62	3	.	.	X
ajst-20791	63	1	icesat-2	icesat-2	NUM
ajst-20791	63	2	data	datum	NOUN
ajst-20791	63	3	levels	level	NOUN
ajst-20791	63	4	and	and	CCONJ
ajst-20791	63	5	categories	category	NOUN
ajst-20791	63	6	2.4	2.4	NUM
ajst-20791	63	7	.	.	PUNCT
ajst-20791	64	1	feima	feima	PROPN
ajst-20791	64	2	d2000	d2000	PROPN
ajst-20791	64	3	point	point	NOUN
ajst-20791	64	4	cloud	cloud	NOUN
ajst-20791	64	5	data	data	VERB
ajst-20791	64	6	the	the	DET
ajst-20791	64	7	objective	objective	NOUN
ajst-20791	64	8	of	of	ADP
ajst-20791	64	9	this	this	DET
ajst-20791	64	10	research	research	NOUN
ajst-20791	64	11	is	be	AUX
ajst-20791	64	12	to	to	PART
ajst-20791	64	13	explore	explore	VERB
ajst-20791	64	14	elevation	elevation	NOUN
ajst-20791	64	15	changes	change	NOUN
ajst-20791	64	16	in	in	ADP
ajst-20791	64	17	the	the	DET
ajst-20791	64	18	same	same	ADJ
ajst-20791	64	19	area	area	NOUN
ajst-20791	64	20	at	at	ADP
ajst-20791	64	21	different	different	ADJ
ajst-20791	64	22	time	time	NOUN
ajst-20791	64	23	intervals	interval	NOUN
ajst-20791	64	24	.	.	PUNCT
ajst-20791	65	1	although	although	SCONJ
ajst-20791	65	2	the	the	DET
ajst-20791	65	3	publicly	publicly	ADV
ajst-20791	65	4	available	available	ADJ
ajst-20791	65	5	data	data	NOUN
ajst-20791	65	6	products	product	NOUN
ajst-20791	65	7	from	from	ADP
ajst-20791	65	8	icesat-2	icesat-2	PROPN
ajst-20791	65	9	can	can	AUX
ajst-20791	65	10	provide	provide	VERB
ajst-20791	65	11	dense	dense	ADJ
ajst-20791	65	12	point	point	NOUN
ajst-20791	65	13	cloud	cloud	NOUN
ajst-20791	65	14	profiles	profile	NOUN
ajst-20791	65	15	,	,	PUNCT
ajst-20791	65	16	the	the	DET
ajst-20791	65	17	accuracy	accuracy	NOUN
ajst-20791	65	18	of	of	ADP
ajst-20791	65	19	extracting	extract	VERB
ajst-20791	65	20	surface	surface	NOUN
ajst-20791	65	21	elevation	elevation	NOUN
ajst-20791	65	22	has	have	AUX
ajst-20791	65	23	not	not	PART
ajst-20791	65	24	been	be	AUX
ajst-20791	65	25	fully	fully	ADV
ajst-20791	65	26	validated	validate	VERB
ajst-20791	65	27	.	.	PUNCT
ajst-20791	66	1	hence	hence	ADV
ajst-20791	66	2	,	,	PUNCT
ajst-20791	66	3	we	we	PRON
ajst-20791	66	4	utilized	utilize	VERB
ajst-20791	66	5	the	the	DET
ajst-20791	66	6	feima	feima	NOUN
ajst-20791	66	7	drone	drone	NOUN
ajst-20791	66	8	d2000	d2000	NOUN
ajst-20791	66	9	flight	flight	NOUN
ajst-20791	66	10	platform	platform	NOUN
ajst-20791	66	11	from	from	ADP
ajst-20791	66	12	henan	henan	PROPN
ajst-20791	66	13	94	94	NUM
ajst-20791	66	14	polytechnic	polytechnic	ADJ
ajst-20791	66	15	university	university	NOUN
ajst-20791	66	16	,	,	PUNCT
ajst-20791	66	17	equipped	equip	VERB
ajst-20791	66	18	with	with	ADP
ajst-20791	66	19	the	the	DET
ajst-20791	66	20	d	d	PROPN
ajst-20791	66	21	-	-	PUNCT
ajst-20791	66	22	lidar2000	lidar2000	ADJ
ajst-20791	66	23	lightweight	lightweight	ADJ
ajst-20791	66	24	airborne	airborne	ADJ
ajst-20791	66	25	lidar	lidar	NOUN
ajst-20791	66	26	system	system	NOUN
ajst-20791	66	27	,	,	PUNCT
ajst-20791	66	28	to	to	PART
ajst-20791	66	29	collect	collect	VERB
ajst-20791	66	30	lidar	lidar	NOUN
ajst-20791	66	31	data	datum	NOUN
ajst-20791	66	32	and	and	CCONJ
ajst-20791	66	33	verify	verify	VERB
ajst-20791	66	34	the	the	DET
ajst-20791	66	35	accuracy	accuracy	NOUN
ajst-20791	66	36	of	of	ADP
ajst-20791	66	37	icesat-2	icesat-2	PROPN
ajst-20791	66	38	/	/	SYM
ajst-20791	66	39	atlas	atlas	PROPN
ajst-20791	66	40	in	in	ADP
ajst-20791	66	41	extracting	extract	VERB
ajst-20791	66	42	surface	surface	NOUN
ajst-20791	66	43	heights	height	NOUN
ajst-20791	66	44	.	.	PUNCT
ajst-20791	67	1	as	as	SCONJ
ajst-20791	67	2	shown	show	VERB
ajst-20791	67	3	in	in	ADP
ajst-20791	67	4	figure	figure	NOUN
ajst-20791	67	5	1(c)(d	1(c)(d	NUM
ajst-20791	67	6	)	)	PUNCT
ajst-20791	67	7	,	,	PUNCT
ajst-20791	67	8	the	the	DET
ajst-20791	67	9	images	image	NOUN
ajst-20791	67	10	display	display	VERB
ajst-20791	67	11	the	the	DET
ajst-20791	67	12	google	google	PROPN
ajst-20791	67	13	earth	earth	NOUN
ajst-20791	67	14	imagery	imagery	NOUN
ajst-20791	67	15	and	and	CCONJ
ajst-20791	67	16	drone	drone	NOUN
ajst-20791	67	17	imagery	imagery	NOUN
ajst-20791	67	18	data	datum	NOUN
ajst-20791	67	19	from	from	ADP
ajst-20791	67	20	henan	henan	PROPN
ajst-20791	67	21	polytechnic	polytechnic	PROPN
ajst-20791	67	22	university	university	PROPN
ajst-20791	67	23	.	.	PUNCT
ajst-20791	68	1	the	the	DET
ajst-20791	68	2	feima	feima	PROPN
ajst-20791	68	3	d2000	d2000	PROPN
ajst-20791	68	4	drone	drone	NOUN
ajst-20791	68	5	is	be	AUX
ajst-20791	68	6	a	a	DET
ajst-20791	68	7	quadcopter	quadcopter	NOUN
ajst-20791	68	8	surveying	surveying	PROPN
ajst-20791	68	9	uav	uav	PROPN
ajst-20791	68	10	launched	launch	VERB
ajst-20791	68	11	by	by	ADP
ajst-20791	68	12	shenzhen	shenzhen	PROPN
ajst-20791	68	13	feima	feima	PROPN
ajst-20791	68	14	robotics	robotics	PROPN
ajst-20791	68	15	technology	technology	PROPN
ajst-20791	68	16	co.	co.	PROPN
ajst-20791	68	17	,	,	PUNCT
ajst-20791	68	18	ltd	ltd	PROPN
ajst-20791	68	19	.	.	PROPN
ajst-20791	68	20	in	in	ADP
ajst-20791	68	21	2020	2020	NUM
ajst-20791	68	22	.	.	PUNCT
ajst-20791	69	1	the	the	DET
ajst-20791	69	2	drone	drone	NOUN
ajst-20791	69	3	has	have	VERB
ajst-20791	69	4	multiple	multiple	ADJ
ajst-20791	69	5	functionalities	functionality	NOUN
ajst-20791	69	6	,	,	PUNCT
ajst-20791	69	7	including	include	VERB
ajst-20791	69	8	carrying	carry	VERB
ajst-20791	69	9	orthophoto	orthophoto	NOUN
ajst-20791	69	10	cameras	camera	NOUN
ajst-20791	69	11	,	,	PUNCT
ajst-20791	69	12	oblique	oblique	ADJ
ajst-20791	69	13	cameras	camera	NOUN
ajst-20791	69	14	,	,	PUNCT
ajst-20791	69	15	infrared	infrared	ADJ
ajst-20791	69	16	sensors	sensor	NOUN
ajst-20791	69	17	,	,	PUNCT
ajst-20791	69	18	video	video	NOUN
ajst-20791	69	19	cameras	camera	NOUN
ajst-20791	69	20	,	,	PUNCT
ajst-20791	69	21	etc	etc	X
ajst-20791	69	22	.	.	X
ajst-20791	70	1	it	it	PRON
ajst-20791	70	2	also	also	ADV
ajst-20791	70	3	has	have	VERB
ajst-20791	70	4	an	an	DET
ajst-20791	70	5	adjustable	adjustable	ADJ
ajst-20791	70	6	flight	flight	NOUN
ajst-20791	70	7	height	height	NOUN
ajst-20791	70	8	capability	capability	NOUN
ajst-20791	70	9	,	,	PUNCT
ajst-20791	70	10	allowing	allow	VERB
ajst-20791	70	11	it	it	PRON
ajst-20791	70	12	to	to	PART
ajst-20791	70	13	follow	follow	VERB
ajst-20791	70	14	the	the	DET
ajst-20791	70	15	terrain	terrain	NOUN
ajst-20791	70	16	and	and	CCONJ
ajst-20791	70	17	maintain	maintain	VERB
ajst-20791	70	18	a	a	DET
ajst-20791	70	19	consistent	consistent	ADJ
ajst-20791	70	20	height	height	NOUN
ajst-20791	70	21	above	above	ADP
ajst-20791	70	22	the	the	DET
ajst-20791	70	23	ground	ground	NOUN
ajst-20791	70	24	.	.	PUNCT
ajst-20791	71	1	with	with	ADP
ajst-20791	71	2	a	a	DET
ajst-20791	71	3	maximum	maximum	ADJ
ajst-20791	71	4	flight	flight	NOUN
ajst-20791	71	5	ceiling	ceiling	NOUN
ajst-20791	71	6	of	of	ADP
ajst-20791	71	7	6000	6000	NUM
ajst-20791	71	8	meters	meter	NOUN
ajst-20791	71	9	,	,	PUNCT
ajst-20791	71	10	it	it	PRON
ajst-20791	71	11	can	can	AUX
ajst-20791	71	12	conduct	conduct	VERB
ajst-20791	71	13	variable	variable	ADJ
ajst-20791	71	14	altitude	altitude	NOUN
ajst-20791	71	15	flight	flight	NOUN
ajst-20791	71	16	operations	operation	NOUN
ajst-20791	71	17	in	in	ADP
ajst-20791	71	18	high	high	ADJ
ajst-20791	71	19	-	-	PUNCT
ajst-20791	71	20	altitude	altitude	NOUN
ajst-20791	71	21	and	and	CCONJ
ajst-20791	71	22	high	high	ADJ
ajst-20791	71	23	-	-	PUNCT
ajst-20791	71	24	altitude	altitude	NOUN
ajst-20791	71	25	difference	difference	NOUN
ajst-20791	71	26	areas	area	NOUN
ajst-20791	71	27	.	.	PUNCT
ajst-20791	72	1	additionally	additionally	ADV
ajst-20791	72	2	,	,	PUNCT
ajst-20791	72	3	the	the	DET
ajst-20791	72	4	drone	drone	NOUN
ajst-20791	72	5	features	feature	VERB
ajst-20791	72	6	full	full	ADJ
ajst-20791	72	7	-	-	PUNCT
ajst-20791	72	8	automatic	automatic	ADJ
ajst-20791	72	9	self	self	NOUN
ajst-20791	72	10	-	-	PUNCT
ajst-20791	72	11	inspection	inspection	NOUN
ajst-20791	72	12	without	without	ADP
ajst-20791	72	13	the	the	DET
ajst-20791	72	14	need	need	NOUN
ajst-20791	72	15	for	for	ADP
ajst-20791	72	16	magnetic	magnetic	ADJ
ajst-20791	72	17	compass	compass	NOUN
ajst-20791	72	18	calibration	calibration	NOUN
ajst-20791	72	19	.	.	PUNCT
ajst-20791	73	1	prior	prior	ADV
ajst-20791	73	2	to	to	ADP
ajst-20791	73	3	flight	flight	NOUN
ajst-20791	73	4	,	,	PUNCT
ajst-20791	73	5	it	it	PRON
ajst-20791	73	6	performs	perform	VERB
ajst-20791	73	7	selfchecks	selfcheck	NOUN
ajst-20791	73	8	of	of	ADP
ajst-20791	73	9	posture	posture	NOUN
ajst-20791	73	10	at	at	ADP
ajst-20791	73	11	a	a	DET
ajst-20791	73	12	height	height	NOUN
ajst-20791	73	13	of	of	ADP
ajst-20791	73	14	1	1	NUM
ajst-20791	73	15	meter	meter	NOUN
ajst-20791	73	16	from	from	ADP
ajst-20791	73	17	the	the	DET
ajst-20791	73	18	ground	ground	NOUN
ajst-20791	73	19	and	and	CCONJ
ajst-20791	73	20	automatically	automatically	ADV
ajst-20791	73	21	takes	take	VERB
ajst-20791	73	22	off	off	ADP
ajst-20791	73	23	after	after	ADP
ajst-20791	73	24	confirming	confirm	VERB
ajst-20791	73	25	flight	flight	NOUN
ajst-20791	73	26	safety	safety	NOUN
ajst-20791	73	27	.	.	PUNCT
ajst-20791	74	1	utilizing	utilize	VERB
ajst-20791	74	2	rtk+ppk	rtk+ppk	NOUN
ajst-20791	74	3	fusion	fusion	NOUN
ajst-20791	74	4	calculation	calculation	NOUN
ajst-20791	74	5	technology	technology	NOUN
ajst-20791	74	6	,	,	PUNCT
ajst-20791	74	7	it	it	PRON
ajst-20791	74	8	ensures	ensure	VERB
ajst-20791	74	9	high	high	ADJ
ajst-20791	74	10	-	-	PUNCT
ajst-20791	74	11	precision	precision	NOUN
ajst-20791	74	12	positioning	positioning	NOUN
ajst-20791	74	13	,	,	PUNCT
ajst-20791	74	14	with	with	ADP
ajst-20791	74	15	take	take	VERB
ajst-20791	74	16	-	-	PUNCT
ajst-20791	74	17	off	off	NOUN
ajst-20791	74	18	and	and	CCONJ
ajst-20791	74	19	landing	landing	NOUN
ajst-20791	74	20	point	point	NOUN
ajst-20791	74	21	errors	error	NOUN
ajst-20791	74	22	within	within	ADP
ajst-20791	74	23	0.2	0.2	NUM
ajst-20791	74	24	meters	meter	NOUN
ajst-20791	74	25	,	,	PUNCT
ajst-20791	74	26	achieving	achieve	VERB
ajst-20791	74	27	full	full	ADJ
ajst-20791	74	28	-	-	PUNCT
ajst-20791	74	29	process	process	NOUN
ajst-20791	74	30	operation	operation	NOUN
ajst-20791	74	31	without	without	ADP
ajst-20791	74	32	the	the	DET
ajst-20791	74	33	need	need	NOUN
ajst-20791	74	34	for	for	ADP
ajst-20791	74	35	a	a	DET
ajst-20791	74	36	remote	remote	ADJ
ajst-20791	74	37	controller	controller	NOUN
ajst-20791	74	38	.	.	PUNCT
ajst-20791	75	1	the	the	DET
ajst-20791	75	2	drone	drone	NOUN
ajst-20791	75	3	is	be	AUX
ajst-20791	75	4	equipped	equip	VERB
ajst-20791	75	5	with	with	ADP
ajst-20791	75	6	feima	feima	NOUN
ajst-20791	75	7	's	's	PART
ajst-20791	75	8	self	self	NOUN
ajst-20791	75	9	-	-	PUNCT
ajst-20791	75	10	developed	develop	VERB
ajst-20791	75	11	d	d	ADJ
ajst-20791	75	12	-	-	ADJ
ajst-20791	75	13	lidar2000	lidar2000	PROPN
ajst-20791	75	14	lidar	lidar	NOUN
ajst-20791	75	15	,	,	PUNCT
ajst-20791	75	16	which	which	PRON
ajst-20791	75	17	utilizes	utilize	VERB
ajst-20791	75	18	lightweight	lightweight	NOUN
ajst-20791	75	19	,	,	PUNCT
ajst-20791	75	20	long	long	ADJ
ajst-20791	75	21	-	-	PUNCT
ajst-20791	75	22	range	range	NOUN
ajst-20791	75	23	,	,	PUNCT
ajst-20791	75	24	and	and	CCONJ
ajst-20791	75	25	highprecision	highprecision	NOUN
ajst-20791	75	26	laser	laser	NOUN
ajst-20791	75	27	sensors	sensor	NOUN
ajst-20791	75	28	.	.	PUNCT
ajst-20791	76	1	combined	combine	VERB
ajst-20791	76	2	with	with	ADP
ajst-20791	76	3	feima	feima	NOUN
ajst-20791	76	4	's	's	PART
ajst-20791	76	5	highprecision	highprecision	NOUN
ajst-20791	76	6	integrated	integrate	VERB
ajst-20791	76	7	navigation	navigation	NOUN
ajst-20791	76	8	product	product	NOUN
ajst-20791	76	9	and	and	CCONJ
ajst-20791	76	10	the	the	DET
ajst-20791	76	11	drone	drone	NOUN
ajst-20791	76	12	manager	manager	NOUN
ajst-20791	76	13	data	datum	NOUN
ajst-20791	76	14	settlement	settlement	NOUN
ajst-20791	76	15	and	and	CCONJ
ajst-20791	76	16	fusion	fusion	NOUN
ajst-20791	76	17	algorithm	algorithm	NOUN
ajst-20791	76	18	,	,	PUNCT
ajst-20791	76	19	the	the	DET
ajst-20791	76	20	feima	feima	NOUN
ajst-20791	76	21	dlidar2000	dlidar2000	PROPN
ajst-20791	76	22	can	can	AUX
ajst-20791	76	23	achieve	achieve	VERB
ajst-20791	76	24	a	a	DET
ajst-20791	76	25	measurement	measurement	NOUN
ajst-20791	76	26	accuracy	accuracy	NOUN
ajst-20791	76	27	of	of	ADP
ajst-20791	76	28	5	5	NUM
ajst-20791	76	29	cm	cm	NOUN
ajst-20791	76	30	at	at	ADP
ajst-20791	76	31	a	a	DET
ajst-20791	76	32	flight	flight	NOUN
ajst-20791	76	33	altitude	altitude	NOUN
ajst-20791	76	34	of	of	ADP
ajst-20791	76	35	50	50	NUM
ajst-20791	76	36	meters	meter	NOUN
ajst-20791	76	37	.	.	PUNCT
ajst-20791	77	1	through	through	ADP
ajst-20791	77	2	these	these	DET
ajst-20791	77	3	technologies	technology	NOUN
ajst-20791	77	4	and	and	CCONJ
ajst-20791	77	5	equipment	equipment	NOUN
ajst-20791	77	6	,	,	PUNCT
ajst-20791	77	7	we	we	PRON
ajst-20791	77	8	can	can	AUX
ajst-20791	77	9	obtain	obtain	VERB
ajst-20791	77	10	high	high	ADJ
ajst-20791	77	11	-	-	PUNCT
ajst-20791	77	12	precision	precision	NOUN
ajst-20791	77	13	uav	uav	PROPN
ajst-20791	77	14	lidar	lidar	PROPN
ajst-20791	77	15	data	datum	NOUN
ajst-20791	77	16	to	to	PART
ajst-20791	77	17	verify	verify	VERB
ajst-20791	77	18	and	and	CCONJ
ajst-20791	77	19	complement	complement	VERB
ajst-20791	77	20	the	the	DET
ajst-20791	77	21	accuracy	accuracy	NOUN
ajst-20791	77	22	information	information	NOUN
ajst-20791	77	23	of	of	ADP
ajst-20791	77	24	icesat2	icesat2	PROPN
ajst-20791	77	25	/	/	SYM
ajst-20791	77	26	atlas	atlas	PROPN
ajst-20791	77	27	data	data	PROPN
ajst-20791	77	28	products	product	NOUN
ajst-20791	77	29	in	in	ADP
ajst-20791	77	30	surface	surface	NOUN
ajst-20791	77	31	elevation	elevation	NOUN
ajst-20791	77	32	extraction	extraction	NOUN
ajst-20791	77	33	.	.	PUNCT
ajst-20791	78	1	3	3	X
ajst-20791	78	2	.	.	X
ajst-20791	78	3	research	research	NOUN
ajst-20791	78	4	methodology	methodology	NOUN
ajst-20791	78	5	to	to	PART
ajst-20791	78	6	explore	explore	VERB
ajst-20791	78	7	the	the	DET
ajst-20791	78	8	surface	surface	NOUN
ajst-20791	78	9	elevation	elevation	NOUN
ajst-20791	78	10	changes	change	NOUN
ajst-20791	78	11	in	in	ADP
ajst-20791	78	12	the	the	DET
ajst-20791	78	13	same	same	ADJ
ajst-20791	78	14	area	area	NOUN
ajst-20791	78	15	at	at	ADP
ajst-20791	78	16	different	different	ADJ
ajst-20791	78	17	times	time	NOUN
ajst-20791	78	18	using	use	VERB
ajst-20791	78	19	atlas	atlas	PROPN
ajst-20791	78	20	laser	laser	NOUN
ajst-20791	78	21	beams	beam	NOUN
ajst-20791	78	22	,	,	PUNCT
ajst-20791	78	23	the	the	DET
ajst-20791	78	24	study	study	NOUN
ajst-20791	78	25	selected	select	VERB
ajst-20791	78	26	and	and	CCONJ
ajst-20791	78	27	processed	process	VERB
ajst-20791	78	28	the	the	DET
ajst-20791	78	29	atl03	atl03	NOUN
ajst-20791	78	30	and	and	CCONJ
ajst-20791	78	31	atl08	atl08	PROPN
ajst-20791	78	32	data	datum	NOUN
ajst-20791	78	33	.	.	PUNCT
ajst-20791	79	1	the	the	DET
ajst-20791	79	2	specific	specific	ADJ
ajst-20791	79	3	steps	step	NOUN
ajst-20791	79	4	involved	involve	VERB
ajst-20791	79	5	are	be	AUX
ajst-20791	79	6	as	as	SCONJ
ajst-20791	79	7	follows	follow	VERB
ajst-20791	79	8	:	:	PUNCT
ajst-20791	79	9	(	(	PUNCT
ajst-20791	79	10	1	1	X
ajst-20791	79	11	)	)	PUNCT
ajst-20791	79	12	point	point	NOUN
ajst-20791	79	13	cloud	cloud	NOUN
ajst-20791	79	14	denoising	denoising	NOUN
ajst-20791	79	15	is	be	AUX
ajst-20791	79	16	the	the	DET
ajst-20791	79	17	primary	primary	ADJ
ajst-20791	79	18	and	and	CCONJ
ajst-20791	79	19	crucial	crucial	ADJ
ajst-20791	79	20	step	step	NOUN
ajst-20791	79	21	in	in	ADP
ajst-20791	79	22	processing	process	VERB
ajst-20791	79	23	icesat-2	icesat-2	NUM
ajst-20791	79	24	laser	laser	NOUN
ajst-20791	79	25	altimeter	altimeter	NOUN
ajst-20791	79	26	satellite	satellite	NOUN
ajst-20791	79	27	atl03	atl03	PROPN
ajst-20791	79	28	point	point	NOUN
ajst-20791	79	29	cloud	cloud	NOUN
ajst-20791	79	30	data	datum	NOUN
ajst-20791	79	31	.	.	PUNCT
ajst-20791	80	1	the	the	DET
ajst-20791	80	2	study	study	NOUN
ajst-20791	80	3	utilized	utilize	VERB
ajst-20791	80	4	the	the	DET
ajst-20791	80	5	differential	differential	ADJ
ajst-20791	80	6	,	,	PUNCT
ajst-20791	80	7	regressive	regressive	ADJ
ajst-20791	80	8	,	,	PUNCT
ajst-20791	80	9	and	and	CCONJ
ajst-20791	80	10	gaussian	gaussian	VERB
ajst-20791	80	11	adaptive	adaptive	ADJ
ajst-20791	80	12	nearest	near	ADJ
ajst-20791	80	13	neighbor	neighbor	NOUN
ajst-20791	80	14	(	(	PUNCT
ajst-20791	80	15	dragsnn	dragsnn	NOUN
ajst-20791	80	16	)	)	PUNCT
ajst-20791	80	17	algorithm	algorithm	NOUN
ajst-20791	80	18	provided	provide	VERB
ajst-20791	80	19	in	in	ADP
ajst-20791	80	20	the	the	DET
ajst-20791	80	21	icesat-2	icesat-2	NUM
ajst-20791	80	22	online	online	ADJ
ajst-20791	80	23	algorithm	algorithm	NOUN
ajst-20791	80	24	theoretical	theoretical	ADJ
ajst-20791	80	25	basis	basis	NOUN
ajst-20791	80	26	document	document	NOUN
ajst-20791	80	27	to	to	PART
ajst-20791	80	28	denoise	denoise	VERB
ajst-20791	80	29	the	the	DET
ajst-20791	80	30	data	datum	NOUN
ajst-20791	80	31	.	.	PUNCT
ajst-20791	81	1	considering	consider	VERB
ajst-20791	81	2	that	that	SCONJ
ajst-20791	81	3	the	the	DET
ajst-20791	81	4	study	study	NOUN
ajst-20791	81	5	area	area	NOUN
ajst-20791	81	6	is	be	AUX
ajst-20791	81	7	semi	semi	ADJ
ajst-20791	81	8	-	-	ADJ
ajst-20791	81	9	desert	desert	NOUN
ajst-20791	81	10	and	and	CCONJ
ajst-20791	81	11	desert	desert	NOUN
ajst-20791	81	12	regions	region	NOUN
ajst-20791	81	13	with	with	ADP
ajst-20791	81	14	less	less	ADJ
ajst-20791	81	15	than	than	ADP
ajst-20791	81	16	5	5	NUM
ajst-20791	81	17	%	%	NOUN
ajst-20791	81	18	vegetation	vegetation	NOUN
ajst-20791	81	19	coverage	coverage	NOUN
ajst-20791	81	20	and	and	CCONJ
ajst-20791	81	21	relatively	relatively	ADV
ajst-20791	81	22	flat	flat	ADJ
ajst-20791	81	23	terrain	terrain	NOUN
ajst-20791	81	24	,	,	PUNCT
ajst-20791	81	25	the	the	DET
ajst-20791	81	26	researchers	researcher	NOUN
ajst-20791	81	27	successfully	successfully	ADV
ajst-20791	81	28	eliminated	eliminate	VERB
ajst-20791	81	29	the	the	DET
ajst-20791	81	30	influence	influence	NOUN
ajst-20791	81	31	of	of	ADP
ajst-20791	81	32	the	the	DET
ajst-20791	81	33	dragsnn	dragsnn	NUM
ajst-20791	81	34	algorithm	algorithm	NOUN
ajst-20791	81	35	's	's	PART
ajst-20791	81	36	inability	inability	NOUN
ajst-20791	81	37	to	to	PART
ajst-20791	81	38	effectively	effectively	ADV
ajst-20791	81	39	extract	extract	VERB
ajst-20791	81	40	weak	weak	ADJ
ajst-20791	81	41	surface	surface	NOUN
ajst-20791	81	42	signal	signal	NOUN
ajst-20791	81	43	points	point	NOUN
ajst-20791	81	44	under	under	ADP
ajst-20791	81	45	dense	dense	ADJ
ajst-20791	81	46	vegetation	vegetation	NOUN
ajst-20791	81	47	cover	cover	NOUN
ajst-20791	81	48	.	.	PUNCT
ajst-20791	82	1	(	(	PUNCT
ajst-20791	82	2	2	2	X
ajst-20791	82	3	)	)	PUNCT
ajst-20791	82	4	based	base	VERB
ajst-20791	82	5	on	on	ADP
ajst-20791	82	6	the	the	DET
ajst-20791	82	7	shapefile	shapefile	NOUN
ajst-20791	82	8	of	of	ADP
ajst-20791	82	9	the	the	DET
ajst-20791	82	10	open	open	ADJ
ajst-20791	82	11	-	-	PUNCT
ajst-20791	82	12	pit	pit	NOUN
ajst-20791	82	13	mine	mine	NOUN
ajst-20791	82	14	boundary	boundary	ADJ
ajst-20791	82	15	and	and	CCONJ
ajst-20791	82	16	the	the	DET
ajst-20791	82	17	kml	kml	PROPN
ajst-20791	82	18	file	file	NOUN
ajst-20791	82	19	of	of	ADP
ajst-20791	82	20	the	the	DET
ajst-20791	82	21	icesat-2	icesat-2	NUM
ajst-20791	82	22	laser	laser	NOUN
ajst-20791	82	23	trajectory	trajectory	NOUN
ajst-20791	82	24	,	,	PUNCT
ajst-20791	82	25	the	the	DET
ajst-20791	82	26	overlapping	overlap	VERB
ajst-20791	82	27	area	area	NOUN
ajst-20791	82	28	was	be	AUX
ajst-20791	82	29	selected	select	VERB
ajst-20791	82	30	as	as	ADP
ajst-20791	82	31	the	the	DET
ajst-20791	82	32	study	study	NOUN
ajst-20791	82	33	area	area	NOUN
ajst-20791	82	34	,	,	PUNCT
ajst-20791	82	35	as	as	SCONJ
ajst-20791	82	36	shown	show	VERB
ajst-20791	82	37	in	in	ADP
ajst-20791	82	38	figure	figure	NOUN
ajst-20791	82	39	4	4	NUM
ajst-20791	82	40	.	.	PUNCT
ajst-20791	82	41	figure	figure	VERB
ajst-20791	82	42	4	4	NUM
ajst-20791	82	43	.	.	PUNCT
ajst-20791	82	44	schematic	schematic	ADJ
ajst-20791	82	45	diagram	diagram	NOUN
ajst-20791	82	46	of	of	ADP
ajst-20791	82	47	icesat-2	icesat-2	NUM
ajst-20791	82	48	laser	laser	NOUN
ajst-20791	82	49	orbit	orbit	NOUN
ajst-20791	82	50	(	(	PUNCT
ajst-20791	82	51	3	3	NUM
ajst-20791	82	52	)	)	PUNCT
ajst-20791	82	53	extracted	extract	VERB
ajst-20791	82	54	parameters	parameter	NOUN
ajst-20791	82	55	for	for	ADP
ajst-20791	82	56	each	each	DET
ajst-20791	82	57	laser	laser	NOUN
ajst-20791	82	58	point	point	NOUN
ajst-20791	82	59	cloud	cloud	NOUN
ajst-20791	82	60	data	datum	NOUN
ajst-20791	82	61	passing	pass	VERB
ajst-20791	82	62	through	through	ADP
ajst-20791	82	63	the	the	DET
ajst-20791	82	64	study	study	NOUN
ajst-20791	82	65	area	area	NOUN
ajst-20791	82	66	include	include	VERB
ajst-20791	82	67	longitude	longitude	NOUN
ajst-20791	82	68	(	(	PUNCT
ajst-20791	82	69	lat_ph	lat_ph	PROPN
ajst-20791	82	70	)	)	PUNCT
ajst-20791	82	71	,	,	PUNCT
ajst-20791	82	72	latitude	latitude	NOUN
ajst-20791	82	73	(	(	PUNCT
ajst-20791	82	74	lon_ph	lon_ph	PROPN
ajst-20791	82	75	)	)	PUNCT
ajst-20791	82	76	,	,	PUNCT
ajst-20791	82	77	elevation	elevation	NOUN
ajst-20791	82	78	(	(	PUNCT
ajst-20791	82	79	h_ph	h_ph	NOUN
ajst-20791	82	80	)	)	PUNCT
ajst-20791	82	81	,	,	PUNCT
ajst-20791	82	82	and	and	CCONJ
ajst-20791	82	83	elevation	elevation	NOUN
ajst-20791	82	84	corrected	correct	VERB
ajst-20791	82	85	to	to	ADP
ajst-20791	82	86	the	the	DET
ajst-20791	82	87	geoid	geoid	NOUN
ajst-20791	82	88	(	(	PUNCT
ajst-20791	82	89	geoid	geoid	NOUN
ajst-20791	82	90	)	)	PUNCT
ajst-20791	82	91	in	in	ADP
ajst-20791	82	92	the	the	DET
ajst-20791	82	93	wgs84	wgs84	PROPN
ajst-20791	82	94	coordinate	coordinate	NOUN
ajst-20791	82	95	system	system	NOUN
ajst-20791	82	96	.	.	PUNCT
ajst-20791	83	1	the	the	DET
ajst-20791	83	2	parameters	parameter	NOUN
ajst-20791	83	3	involved	involve	VERB
ajst-20791	83	4	in	in	ADP
ajst-20791	83	5	the	the	DET
ajst-20791	83	6	study	study	NOUN
ajst-20791	83	7	are	be	AUX
ajst-20791	83	8	listed	list	VERB
ajst-20791	83	9	in	in	ADP
ajst-20791	83	10	table	table	NOUN
ajst-20791	83	11	1	1	NUM
ajst-20791	83	12	.	.	PUNCT
ajst-20791	84	1	(	(	PUNCT
ajst-20791	84	2	4	4	X
ajst-20791	84	3	)	)	PUNCT
ajst-20791	84	4	simultaneously	simultaneously	ADV
ajst-20791	84	5	obtaining	obtain	VERB
ajst-20791	84	6	the	the	DET
ajst-20791	84	7	spatial	spatial	ADJ
ajst-20791	84	8	distribution	distribution	NOUN
ajst-20791	84	9	and	and	CCONJ
ajst-20791	84	10	classification	classification	NOUN
ajst-20791	84	11	information	information	NOUN
ajst-20791	84	12	of	of	ADP
ajst-20791	84	13	each	each	DET
ajst-20791	84	14	photon	photon	NOUN
ajst-20791	84	15	is	be	AUX
ajst-20791	84	16	a	a	DET
ajst-20791	84	17	critical	critical	ADJ
ajst-20791	84	18	task	task	NOUN
ajst-20791	84	19	that	that	PRON
ajst-20791	84	20	requires	require	VERB
ajst-20791	84	21	association	association	NOUN
ajst-20791	84	22	based	base	VERB
ajst-20791	84	23	on	on	ADP
ajst-20791	84	24	the	the	DET
ajst-20791	84	25	indexing	indexing	NOUN
ajst-20791	84	26	methods	method	NOUN
ajst-20791	84	27	of	of	ADP
ajst-20791	84	28	atl03	atl03	NOUN
ajst-20791	84	29	and	and	CCONJ
ajst-20791	84	30	atl08	atl08	PROPN
ajst-20791	84	31	data	datum	NOUN
ajst-20791	84	32	.	.	PUNCT
ajst-20791	85	1	in	in	ADP
ajst-20791	85	2	atl03	atl03	PROPN
ajst-20791	85	3	,	,	PUNCT
ajst-20791	85	4	each	each	DET
ajst-20791	85	5	photon	photon	NOUN
ajst-20791	85	6	has	have	VERB
ajst-20791	85	7	two	two	NUM
ajst-20791	85	8	indexing	indexing	NOUN
ajst-20791	85	9	methods	method	NOUN
ajst-20791	85	10	:	:	PUNCT
ajst-20791	85	11	one	one	NUM
ajst-20791	85	12	is	be	AUX
ajst-20791	85	13	sequentially	sequentially	ADV
ajst-20791	85	14	numbered	number	VERB
ajst-20791	85	15	according	accord	VERB
ajst-20791	85	16	to	to	ADP
ajst-20791	85	17	the	the	DET
ajst-20791	85	18	gps	gps	PROPN
ajst-20791	85	19	time	time	NOUN
ajst-20791	85	20	of	of	ADP
ajst-20791	85	21	photons	photon	NOUN
ajst-20791	85	22	,	,	PUNCT
ajst-20791	85	23	known	know	VERB
ajst-20791	85	24	as	as	ADP
ajst-20791	85	25	photon	photon	NOUN
ajst-20791	85	26	i	i	PROPN
ajst-20791	85	27	d	d	PROPN
ajst-20791	85	28	,	,	PUNCT
ajst-20791	85	29	and	and	CCONJ
ajst-20791	85	30	these	these	DET
ajst-20791	85	31	records	record	NOUN
ajst-20791	85	32	are	be	AUX
ajst-20791	85	33	stored	store	VERB
ajst-20791	85	34	in	in	ADP
ajst-20791	85	35	(	(	PUNCT
ajst-20791	85	36	group	group	NOUN
ajst-20791	85	37	:	:	PUNCT
ajst-20791	85	38	/gtx	/gtx	PUNCT
ajst-20791	85	39	/	/	SYM
ajst-20791	85	40	heights	height	NOUN
ajst-20791	85	41	)	)	PUNCT
ajst-20791	85	42	.	.	PUNCT
ajst-20791	86	1	the	the	DET
ajst-20791	86	2	other	other	ADJ
ajst-20791	86	3	method	method	NOUN
ajst-20791	86	4	groups	group	NOUN
ajst-20791	86	5	photons	photon	NOUN
ajst-20791	86	6	every	every	DET
ajst-20791	86	7	20	20	NUM
ajst-20791	86	8	meters	meter	NOUN
ajst-20791	86	9	along	along	ADP
ajst-20791	86	10	the	the	DET
ajst-20791	86	11	track	track	NOUN
ajst-20791	86	12	,	,	PUNCT
ajst-20791	86	13	and	and	CCONJ
ajst-20791	86	14	each	each	DET
ajst-20791	86	15	group	group	NOUN
ajst-20791	86	16	is	be	AUX
ajst-20791	86	17	sequentially	sequentially	ADV
ajst-20791	86	18	numbered	number	VERB
ajst-20791	86	19	,	,	PUNCT
ajst-20791	86	20	known	know	VERB
ajst-20791	86	21	as	as	ADP
ajst-20791	86	22	segment	segment	NOUN
ajst-20791	86	23	i	i	PROPN
ajst-20791	86	24	d	d	PROPN
ajst-20791	86	25	,	,	PUNCT
ajst-20791	86	26	stored	store	VERB
ajst-20791	86	27	in	in	ADP
ajst-20791	86	28	(	(	PUNCT
ajst-20791	86	29	group	group	NOUN
ajst-20791	86	30	:	:	PUNCT
ajst-20791	86	31	/geolocation	/geolocation	PROPN
ajst-20791	86	32	/	/	SYM
ajst-20791	86	33	segment_id	segment_id	PROPN
ajst-20791	86	34	)	)	PUNCT
ajst-20791	86	35	,	,	PUNCT
ajst-20791	86	36	and	and	CCONJ
ajst-20791	86	37	the	the	DET
ajst-20791	86	38	starting	start	VERB
ajst-20791	86	39	photon	photon	NOUN
ajst-20791	86	40	i	i	PROPN
ajst-20791	86	41	d	d	PROPN
ajst-20791	86	42	for	for	ADP
ajst-20791	86	43	each	each	DET
ajst-20791	86	44	group	group	NOUN
ajst-20791	86	45	is	be	AUX
ajst-20791	86	46	stored	store	VERB
ajst-20791	86	47	in	in	ADP
ajst-20791	86	48	(	(	PUNCT
ajst-20791	86	49	group	group	NOUN
ajst-20791	86	50	:	:	PUNCT
ajst-20791	86	51	/geolocation	/geolocation	PUNCT
ajst-20791	86	52	/	/	SYM
ajst-20791	86	53	ph_index_beg	ph_index_beg	NOUN
ajst-20791	86	54	)	)	PUNCT
ajst-20791	86	55	.	.	PUNCT
ajst-20791	87	1	in	in	ADP
ajst-20791	87	2	atl08	atl08	PROPN
ajst-20791	87	3	,	,	PUNCT
ajst-20791	87	4	statistics	statistic	NOUN
ajst-20791	87	5	are	be	AUX
ajst-20791	87	6	made	make	VERB
ajst-20791	87	7	in	in	ADP
ajst-20791	87	8	approximately	approximately	ADV
ajst-20791	87	9	100	100	NUM
ajst-20791	87	10	-	-	PUNCT
ajst-20791	87	11	meter	meter	NOUN
ajst-20791	87	12	segments	segment	NOUN
ajst-20791	87	13	along	along	ADP
ajst-20791	87	14	the	the	DET
ajst-20791	87	15	track	track	NOUN
ajst-20791	87	16	.	.	PUNCT
ajst-20791	88	1	the	the	DET
ajst-20791	88	2	photons	photon	NOUN
ajst-20791	88	3	within	within	ADP
ajst-20791	88	4	each	each	DET
ajst-20791	88	5	segment	segment	NOUN
ajst-20791	88	6	are	be	AUX
ajst-20791	88	7	recorded	record	VERB
ajst-20791	88	8	using	use	VERB
ajst-20791	88	9	atl03	atl03	NOUN
ajst-20791	88	10	's	's	PART
ajst-20791	88	11	second	second	ADJ
ajst-20791	88	12	indexing	indexing	NOUN
ajst-20791	88	13	method	method	NOUN
ajst-20791	88	14	,	,	PUNCT
ajst-20791	88	15	i.e.	i.e.	X
ajst-20791	88	16	,	,	PUNCT
ajst-20791	88	17	each	each	DET
ajst-20791	88	18	photon	photon	NOUN
ajst-20791	88	19	's	's	PART
ajst-20791	88	20	segment	segment	NOUN
ajst-20791	88	21	i	i	PROPN
ajst-20791	88	22	d	d	PROPN
ajst-20791	88	23	is	be	AUX
ajst-20791	88	24	95	95	NUM
ajst-20791	88	25	stored	store	VERB
ajst-20791	88	26	in	in	ADP
ajst-20791	88	27	(	(	PUNCT
ajst-20791	88	28	group	group	NOUN
ajst-20791	88	29	:	:	PUNCT
ajst-20791	88	30	/gtx	/gtx	PUNCT
ajst-20791	88	31	/	/	SYM
ajst-20791	88	32	signal_photons	signal_photons	PROPN
ajst-20791	88	33	/	/	SYM
ajst-20791	88	34	ph_segment_id	ph_segment_id	PROPN
ajst-20791	88	35	)	)	PUNCT
ajst-20791	88	36	,	,	PUNCT
ajst-20791	88	37	and	and	CCONJ
ajst-20791	88	38	the	the	DET
ajst-20791	88	39	relative	relative	ADJ
ajst-20791	88	40	index	index	NOUN
ajst-20791	88	41	within	within	ADP
ajst-20791	88	42	the	the	DET
ajst-20791	88	43	group	group	NOUN
ajst-20791	88	44	is	be	AUX
ajst-20791	88	45	stored	store	VERB
ajst-20791	88	46	in	in	ADP
ajst-20791	88	47	(	(	PUNCT
ajst-20791	88	48	group	group	NOUN
ajst-20791	88	49	:	:	PUNCT
ajst-20791	88	50	/gtx	/gtx	PUNCT
ajst-20791	88	51	/	/	SYM
ajst-20791	88	52	signal_photons	signal_photons	PROPN
ajst-20791	88	53	/	/	SYM
ajst-20791	88	54	classed_pc_indx	classed_pc_indx	PROPN
ajst-20791	88	55	)	)	PUNCT
ajst-20791	88	56	.	.	PUNCT
ajst-20791	89	1	to	to	PART
ajst-20791	89	2	associate	associate	VERB
ajst-20791	89	3	photon	photon	NOUN
ajst-20791	89	4	information	information	NOUN
ajst-20791	89	5	,	,	PUNCT
ajst-20791	89	6	researchers	researcher	NOUN
ajst-20791	89	7	need	need	VERB
ajst-20791	89	8	to	to	PART
ajst-20791	89	9	traverse	traverse	VERB
ajst-20791	89	10	all	all	DET
ajst-20791	89	11	photons	photon	NOUN
ajst-20791	89	12	in	in	ADP
ajst-20791	89	13	both	both	CCONJ
ajst-20791	89	14	atl03	atl03	NOUN
ajst-20791	89	15	and	and	CCONJ
ajst-20791	89	16	atl08	atl08	NOUN
ajst-20791	89	17	and	and	CCONJ
ajst-20791	89	18	match	match	VERB
ajst-20791	89	19	the	the	DET
ajst-20791	89	20	corresponding	correspond	VERB
ajst-20791	89	21	segments	segment	NOUN
ajst-20791	89	22	using	use	VERB
ajst-20791	89	23	the	the	DET
ajst-20791	89	24	parameter	parameter	NOUN
ajst-20791	89	25	(	(	PUNCT
ajst-20791	89	26	ph_segment_id	ph_segment_id	X
ajst-20791	89	27	=	=	NOUN
ajst-20791	89	28	segment_id	segment_id	PROPN
ajst-20791	89	29	)	)	PUNCT
ajst-20791	89	30	.	.	PUNCT
ajst-20791	90	1	this	this	PRON
ajst-20791	90	2	allows	allow	VERB
ajst-20791	90	3	obtaining	obtain	VERB
ajst-20791	90	4	the	the	DET
ajst-20791	90	5	photon	photon	NOUN
ajst-20791	90	6	i	i	PROPN
ajst-20791	90	7	d	d	PROPN
ajst-20791	90	8	of	of	ADP
ajst-20791	90	9	all	all	DET
ajst-20791	90	10	atl08	atl08	PROPN
ajst-20791	90	11	photons	photon	NOUN
ajst-20791	90	12	in	in	ADP
ajst-20791	90	13	atl03	atl03	PROPN
ajst-20791	90	14	,	,	PUNCT
ajst-20791	90	15	using	use	VERB
ajst-20791	90	16	the	the	DET
ajst-20791	90	17	following	follow	VERB
ajst-20791	90	18	calculation	calculation	NOUN
ajst-20791	90	19	formula	formula	NOUN
ajst-20791	90	20	:	:	PUNCT
ajst-20791	90	21	classed_pc_indx	classed_pc_indx	PROPN
ajst-20791	90	22	+	+	CCONJ
ajst-20791	90	23	ph_index_beg-1	ph_index_beg-1	NOUN
ajst-20791	90	24	.	.	PUNCT
ajst-20791	90	25	subsequently	subsequently	ADV
ajst-20791	90	26	,	,	PUNCT
ajst-20791	90	27	by	by	ADP
ajst-20791	90	28	linking	link	VERB
ajst-20791	90	29	the	the	DET
ajst-20791	90	30	longitude	longitude	NOUN
ajst-20791	90	31	,	,	PUNCT
ajst-20791	90	32	latitude	latitude	NOUN
ajst-20791	90	33	,	,	PUNCT
ajst-20791	90	34	and	and	CCONJ
ajst-20791	90	35	other	other	ADJ
ajst-20791	90	36	information	information	NOUN
ajst-20791	90	37	from	from	ADP
ajst-20791	90	38	atl03	atl03	PROPN
ajst-20791	90	39	data	datum	NOUN
ajst-20791	90	40	with	with	ADP
ajst-20791	90	41	the	the	DET
ajst-20791	90	42	obtained	obtain	VERB
ajst-20791	90	43	photon	photon	NOUN
ajst-20791	90	44	i	i	PROPN
ajst-20791	90	45	d	d	PROPN
ajst-20791	90	46	,	,	PUNCT
ajst-20791	90	47	the	the	DET
ajst-20791	90	48	complete	complete	ADJ
ajst-20791	90	49	spatial	spatial	ADJ
ajst-20791	90	50	distribution	distribution	NOUN
ajst-20791	90	51	and	and	CCONJ
ajst-20791	90	52	classification	classification	NOUN
ajst-20791	90	53	information	information	NOUN
ajst-20791	90	54	of	of	ADP
ajst-20791	90	55	each	each	DET
ajst-20791	90	56	photon	photon	NOUN
ajst-20791	90	57	can	can	AUX
ajst-20791	90	58	be	be	AUX
ajst-20791	90	59	acquired	acquire	VERB
ajst-20791	90	60	.	.	PUNCT
ajst-20791	91	1	this	this	PRON
ajst-20791	91	2	ensures	ensure	VERB
ajst-20791	91	3	reliable	reliable	ADJ
ajst-20791	91	4	data	datum	NOUN
ajst-20791	91	5	foundation	foundation	NOUN
ajst-20791	91	6	for	for	ADP
ajst-20791	91	7	subsequent	subsequent	ADJ
ajst-20791	91	8	analysis	analysis	NOUN
ajst-20791	91	9	and	and	CCONJ
ajst-20791	91	10	research	research	NOUN
ajst-20791	91	11	.	.	PUNCT
ajst-20791	92	1	(	(	PUNCT
ajst-20791	92	2	5	5	X
ajst-20791	92	3	)	)	PUNCT
ajst-20791	92	4	the	the	DET
ajst-20791	92	5	official	official	ADJ
ajst-20791	92	6	nasa	nasa	PROPN
ajst-20791	92	7	classification	classification	NOUN
ajst-20791	92	8	algorithm	algorithm	NOUN
ajst-20791	92	9	categorizes	categorize	VERB
ajst-20791	92	10	point	point	NOUN
ajst-20791	92	11	cloud	cloud	NOUN
ajst-20791	92	12	data	datum	NOUN
ajst-20791	92	13	into	into	ADP
ajst-20791	92	14	noise	noise	NOUN
ajst-20791	92	15	photons	photon	NOUN
ajst-20791	92	16	,	,	PUNCT
ajst-20791	92	17	ground	ground	NOUN
ajst-20791	92	18	photons	photon	NOUN
ajst-20791	92	19	,	,	PUNCT
ajst-20791	92	20	canopy	canopy	NOUN
ajst-20791	92	21	photons	photon	NOUN
ajst-20791	92	22	,	,	PUNCT
ajst-20791	92	23	and	and	CCONJ
ajst-20791	92	24	canopy	canopy	PROPN
ajst-20791	92	25	top	top	ADJ
ajst-20791	92	26	photons	photon	NOUN
ajst-20791	92	27	,	,	PUNCT
ajst-20791	92	28	and	and	CCONJ
ajst-20791	92	29	this	this	DET
ajst-20791	92	30	information	information	NOUN
ajst-20791	92	31	is	be	AUX
ajst-20791	92	32	stored	store	VERB
ajst-20791	92	33	in	in	ADP
ajst-20791	92	34	the	the	DET
ajst-20791	92	35	classification	classification	NOUN
ajst-20791	92	36	parameter	parameter	NOUN
ajst-20791	92	37	(	(	PUNCT
ajst-20791	92	38	class_pc_flag	class_pc_flag	PROPN
ajst-20791	92	39	)	)	PUNCT
ajst-20791	92	40	.	.	PUNCT
ajst-20791	93	1	the	the	DET
ajst-20791	93	2	study	study	NOUN
ajst-20791	93	3	extracted	extract	VERB
ajst-20791	93	4	class_pc_flag=1	class_pc_flag=1	PROPN
ajst-20791	93	5	,	,	PUNCT
ajst-20791	93	6	which	which	PRON
ajst-20791	93	7	represents	represent	VERB
ajst-20791	93	8	the	the	DET
ajst-20791	93	9	surface	surface	NOUN
ajst-20791	93	10	photons	photon	NOUN
ajst-20791	93	11	under	under	ADP
ajst-20791	93	12	investigation	investigation	NOUN
ajst-20791	93	13	.	.	PUNCT
ajst-20791	94	1	table	table	NOUN
ajst-20791	94	2	1	1	NUM
ajst-20791	94	3	.	.	PUNCT
ajst-20791	94	4	data	datum	NOUN
ajst-20791	94	5	sources	source	NOUN
ajst-20791	94	6	.	.	PUNCT
ajst-20791	95	1	parameter	parameter	NOUN
ajst-20791	95	2	description	description	NOUN
ajst-20791	95	3	of	of	ADP
ajst-20791	95	4	parameters	parameter	NOUN
ajst-20791	95	5	source	source	NOUN
ajst-20791	95	6	of	of	ADP
ajst-20791	95	7	parameters	parameter	NOUN
ajst-20791	95	8	lat_ph	lat_ph	VERB
ajst-20791	95	9	latitude	latitude	NOUN
ajst-20791	95	10	of	of	ADP
ajst-20791	95	11	each	each	PRON
ajst-20791	95	12	received	receive	VERB
ajst-20791	95	13	photon	photon	NOUN
ajst-20791	95	14	atl03	atl03	PROPN
ajst-20791	95	15	/	/	SYM
ajst-20791	95	16	gtx	gtx	ADJ
ajst-20791	95	17	/	/	SYM
ajst-20791	95	18	heights	height	NOUN
ajst-20791	95	19	/	/	SYM
ajst-20791	95	20	lat_ph	lat_ph	X
ajst-20791	95	21	lon_ph	lon_ph	X
ajst-20791	96	1	longitude	longitude	ADJ
ajst-20791	96	2	of	of	ADP
ajst-20791	96	3	each	each	PRON
ajst-20791	96	4	received	receive	VERB
ajst-20791	96	5	photon	photon	NOUN
ajst-20791	96	6	atl03	atl03	PROPN
ajst-20791	96	7	/	/	SYM
ajst-20791	96	8	gtx	gtx	ADJ
ajst-20791	96	9	/	/	SYM
ajst-20791	96	10	heights	height	NOUN
ajst-20791	96	11	/	/	SYM
ajst-20791	96	12	lon_ph	lon_ph	X
ajst-20791	96	13	h_ph	h_ph	ADJ
ajst-20791	96	14	height	height	NOUN
ajst-20791	96	15	of	of	ADP
ajst-20791	96	16	each	each	PRON
ajst-20791	96	17	received	receive	VERB
ajst-20791	96	18	photon	photon	NOUN
ajst-20791	96	19	atl03	atl03	PROPN
ajst-20791	96	20	/	/	SYM
ajst-20791	96	21	gtx	gtx	ADJ
ajst-20791	96	22	/	/	SYM
ajst-20791	96	23	heights	height	NOUN
ajst-20791	96	24	/	/	SYM
ajst-20791	96	25	h_ph	h_ph	NOUN
ajst-20791	96	26	sc_orient	sc_orient	NOUN
ajst-20791	96	27	this	this	DET
ajst-20791	96	28	parameter	parameter	NOUN
ajst-20791	96	29	tracks	track	VERB
ajst-20791	96	30	the	the	DET
ajst-20791	96	31	spacecraft	spacecraft	NOUN
ajst-20791	96	32	orientation	orientation	NOUN
ajst-20791	96	33	between	between	ADP
ajst-20791	96	34	forward	forward	ADV
ajst-20791	96	35	,	,	PUNCT
ajst-20791	96	36	backward	backward	ADJ
ajst-20791	96	37	and	and	CCONJ
ajst-20791	96	38	transitional	transitional	ADJ
ajst-20791	96	39	flight	flight	NOUN
ajst-20791	96	40	modes	mode	NOUN
ajst-20791	96	41	atl03	atl03	NOUN
ajst-20791	96	42	/	/	SYM
ajst-20791	96	43	orbit_info	orbit_info	PROPN
ajst-20791	96	44	/sc_orient	/sc_orient	NOUN
ajst-20791	96	45	geoid	geoid	ADJ
ajst-20791	96	46	geoid	geoid	NOUN
ajst-20791	96	47	height	height	NOUN
ajst-20791	96	48	above	above	ADP
ajst-20791	96	49	wgs-84	wgs-84	PROPN
ajst-20791	96	50	reference	reference	PROPN
ajst-20791	97	1	ellipsoid	ellipsoid	PROPN
ajst-20791	97	2	atl03	atl03	PROPN
ajst-20791	97	3	/	/	PUNCT
ajst-20791	97	4	gtx	gtx	PROPN
ajst-20791	97	5	/	/	SYM
ajst-20791	97	6	geophys_corr	geophys_corr	PROPN
ajst-20791	97	7	/geoid	/geoid	PUNCT
ajst-20791	97	8	segment_id	segment_id	PROPN
ajst-20791	97	9	a7digit	a7digit	ADJ
ajst-20791	97	10	number	number	NOUN
ajst-20791	97	11	identifiying	identifiye	VERB
ajst-20791	97	12	the	the	DET
ajst-20791	97	13	along	along	ADP
ajst-20791	97	14	-	-	PUNCT
ajst-20791	97	15	track	track	NOUN
ajst-20791	97	16	geolocation	geolocation	NOUN
ajst-20791	97	17	segment	segment	NOUN
ajst-20791	97	18	number	number	NOUN
ajst-20791	97	19	atl03	atl03	PROPN
ajst-20791	97	20	/	/	PUNCT
ajst-20791	97	21	gtx	gtx	PROPN
ajst-20791	97	22	/	/	SYM
ajst-20791	97	23	geolocation	geolocation	NOUN
ajst-20791	97	24	/segment_id	/segment_id	PROPN
ajst-20791	97	25	ph_index_beg	ph_index_beg	ADJ
ajst-20791	97	26	index	index	NOUN
ajst-20791	97	27	(	(	PUNCT
ajst-20791	97	28	1	1	NUM
ajst-20791	97	29	-	-	PUNCT
ajst-20791	97	30	based	base	VERB
ajst-20791	97	31	)	)	PUNCT
ajst-20791	97	32	within	within	ADP
ajst-20791	97	33	the	the	DET
ajst-20791	97	34	photonrate	photonrate	ADJ
ajst-20791	97	35	data	datum	NOUN
ajst-20791	97	36	of	of	ADP
ajst-20791	97	37	the	the	DET
ajst-20791	97	38	first	first	ADJ
ajst-20791	97	39	photon	photon	NOUN
ajst-20791	97	40	within	within	ADP
ajst-20791	97	41	this	this	DET
ajst-20791	97	42	segment	segment	NOUN
ajst-20791	97	43	atl03	atl03	NOUN
ajst-20791	97	44	/	/	PUNCT
ajst-20791	97	45	gtx	gtx	PROPN
ajst-20791	97	46	/	/	SYM
ajst-20791	97	47	geolocation/	geolocation/	PROPN
ajst-20791	97	48	ph_index_beg	ph_index_beg	ADV
ajst-20791	97	49	classed_pc_flag	classed_pc_flag	PROPN
ajst-20791	97	50	land	land	NOUN
ajst-20791	97	51	vegetation	vegetation	NOUN
ajst-20791	97	52	atbd	atbd	NOUN
ajst-20791	97	53	classification	classification	NOUN
ajst-20791	97	54	flag	flag	NOUN
ajst-20791	97	55	for	for	ADP
ajst-20791	97	56	each	each	DET
ajst-20791	97	57	photon	photon	NOUN
ajst-20791	97	58	as	as	ADP
ajst-20791	97	59	either	either	DET
ajst-20791	97	60	noise	noise	NOUN
ajst-20791	97	61	,	,	PUNCT
ajst-20791	97	62	ground	ground	NOUN
ajst-20791	97	63	,	,	PUNCT
ajst-20791	97	64	canopy	canopy	NOUN
ajst-20791	97	65	,	,	PUNCT
ajst-20791	97	66	and	and	CCONJ
ajst-20791	97	67	top	top	NOUN
ajst-20791	97	68	of	of	ADP
ajst-20791	97	69	canopy	canopy	NOUN
ajst-20791	97	70	.	.	PUNCT
ajst-20791	98	1	0	0	PUNCT
ajst-20791	99	1	=	=	NOUN
ajst-20791	99	2	noise	noise	NOUN
ajst-20791	99	3	,	,	PUNCT
ajst-20791	99	4	1	1	NUM
ajst-20791	99	5	=	=	NOUN
ajst-20791	99	6	ground	ground	NOUN
ajst-20791	99	7	,	,	PUNCT
ajst-20791	99	8	2	2	NUM
ajst-20791	99	9	=	=	SYM
ajst-20791	99	10	canopy	canopy	NOUN
ajst-20791	99	11	,	,	PUNCT
ajst-20791	99	12	or	or	CCONJ
ajst-20791	99	13	3	3	NUM
ajst-20791	99	14	=	=	NOUN
ajst-20791	99	15	top	top	NOUN
ajst-20791	99	16	of	of	ADP
ajst-20791	99	17	canopy	canopy	NOUN
ajst-20791	99	18	atl08	atl08	PROPN
ajst-20791	99	19	/	/	SYM
ajst-20791	99	20	gtx	gtx	PROPN
ajst-20791	99	21	/	/	SYM
ajst-20791	99	22	signal_photons	signal_photons	PROPN
ajst-20791	99	23	/	/	SYM
ajst-20791	99	24	classed_pc_flag	classed_pc_flag	PROPN
ajst-20791	99	25	classed_pc_indx	classed_pc_indx	PROPN
ajst-20791	99	26	index	index	NOUN
ajst-20791	99	27	(	(	PUNCT
ajst-20791	99	28	1	1	NUM
ajst-20791	99	29	-	-	PUNCT
ajst-20791	99	30	based	base	VERB
ajst-20791	99	31	)	)	PUNCT
ajst-20791	99	32	of	of	ADP
ajst-20791	99	33	the	the	DET
ajst-20791	99	34	atl08	atl08	PROPN
ajst-20791	99	35	classified	classify	VERB
ajst-20791	99	36	signal	signal	PROPN
ajst-20791	99	37	photon	photon	NOUN
ajst-20791	99	38	from	from	ADP
ajst-20791	99	39	the	the	DET
ajst-20791	99	40	start	start	NOUN
ajst-20791	99	41	of	of	ADP
ajst-20791	99	42	the	the	DET
ajst-20791	99	43	atl03	atl03	NOUN
ajst-20791	99	44	geolocation	geolocation	NOUN
ajst-20791	99	45	segment	segment	NOUN
ajst-20791	99	46	specified	specify	VERB
ajst-20791	99	47	on	on	ADP
ajst-20791	99	48	the	the	DET
ajst-20791	99	49	atl08	atl08	ADJ
ajst-20791	99	50	product	product	NOUN
ajst-20791	99	51	at	at	ADP
ajst-20791	99	52	the	the	DET
ajst-20791	99	53	photon	photon	NOUN
ajst-20791	99	54	rate	rate	NOUN
ajst-20791	99	55	in	in	ADP
ajst-20791	99	56	the	the	DET
ajst-20791	99	57	corresponding	corresponding	ADJ
ajst-20791	99	58	parameter	parameter	NOUN
ajst-20791	99	59	,	,	PUNCT
ajst-20791	99	60	ph_segment_id	ph_segment_id	PROPN
ajst-20791	99	61	,	,	PUNCT
ajst-20791	99	62	ph_segment_id	ph_segment_id	PROPN
ajst-20791	99	63	atl08	atl08	PROPN
ajst-20791	99	64	/	/	SYM
ajst-20791	99	65	gtx	gtx	PROPN
ajst-20791	99	66	/	/	SYM
ajst-20791	99	67	signal_photons	signal_photons	PROPN
ajst-20791	99	68	/	/	SYM
ajst-20791	99	69	classed_pc_indx	classed_pc_indx	PROPN
ajst-20791	99	70	ph_segment_id	ph_segment_id	PROPN
ajst-20791	99	71	segment	segment	NOUN
ajst-20791	99	72	i	i	PROPN
ajst-20791	99	73	d	d	PROPN
ajst-20791	99	74	of	of	ADP
ajst-20791	99	75	photons	photon	NOUN
ajst-20791	99	76	tracing	trace	VERB
ajst-20791	99	77	back	back	ADV
ajst-20791	99	78	to	to	ADP
ajst-20791	99	79	specific	specific	ADJ
ajst-20791	99	80	20	20	NUM
ajst-20791	99	81	m	m	PROPN
ajst-20791	99	82	segment_id	segment_id	PROPN
ajst-20791	99	83	on	on	ADP
ajst-20791	99	84	atl03	atl03	PROPN
ajst-20791	99	85	atl08	atl08	PROPN
ajst-20791	99	86	/	/	SYM
ajst-20791	99	87	gtx	gtx	PROPN
ajst-20791	99	88	/	/	SYM
ajst-20791	99	89	signal_photons	signal_photons	PROPN
ajst-20791	99	90	/	/	SYM
ajst-20791	99	91	ph_segment_id	ph_segment_id	PROPN
ajst-20791	99	92	4	4	NUM
ajst-20791	99	93	.	.	PUNCT
ajst-20791	99	94	results	result	NOUN
ajst-20791	99	95	and	and	CCONJ
ajst-20791	99	96	analysis	analysis	NOUN
ajst-20791	99	97	through	through	ADP
ajst-20791	99	98	the	the	DET
ajst-20791	99	99	processing	processing	NOUN
ajst-20791	99	100	of	of	ADP
ajst-20791	99	101	atl03	atl03	PROPN
ajst-20791	99	102	and	and	CCONJ
ajst-20791	99	103	atl08	atl08	PROPN
ajst-20791	99	104	data	datum	NOUN
ajst-20791	99	105	,	,	PUNCT
ajst-20791	99	106	we	we	PRON
ajst-20791	99	107	obtained	obtain	VERB
ajst-20791	99	108	the	the	DET
ajst-20791	99	109	surface	surface	NOUN
ajst-20791	99	110	elevation	elevation	NOUN
ajst-20791	99	111	changes	change	NOUN
ajst-20791	99	112	of	of	ADP
ajst-20791	99	113	delong	delong	PROPN
ajst-20791	99	114	open	open	ADJ
ajst-20791	99	115	-	-	PUNCT
ajst-20791	99	116	pit	pit	NOUN
ajst-20791	99	117	mine	mine	NOUN
ajst-20791	99	118	dump	dump	NOUN
ajst-20791	99	119	and	and	CCONJ
ajst-20791	99	120	bulianta	bulianta	VERB
ajst-20791	99	121	open	open	ADJ
ajst-20791	99	122	-	-	PUNCT
ajst-20791	99	123	pit	pit	NOUN
ajst-20791	99	124	mine	mine	NOUN
ajst-20791	99	125	at	at	ADP
ajst-20791	99	126	different	different	ADJ
ajst-20791	99	127	times	time	NOUN
ajst-20791	99	128	,	,	PUNCT
ajst-20791	99	129	as	as	SCONJ
ajst-20791	99	130	shown	show	VERB
ajst-20791	99	131	in	in	ADP
ajst-20791	99	132	figure	figure	NOUN
ajst-20791	99	133	5(a)(b	5(a)(b	NUM
ajst-20791	99	134	)	)	PUNCT
ajst-20791	99	135	.	.	PUNCT
ajst-20791	100	1	in	in	ADP
ajst-20791	100	2	zone	zone	NOUN
ajst-20791	100	3	1	1	NUM
ajst-20791	100	4	,	,	PUNCT
ajst-20791	100	5	google	google	PROPN
ajst-20791	100	6	earth	earth	NOUN
ajst-20791	100	7	historical	historical	ADJ
ajst-20791	100	8	images	image	NOUN
ajst-20791	100	9	from	from	ADP
ajst-20791	100	10	november	november	PROPN
ajst-20791	100	11	14	14	NUM
ajst-20791	100	12	,	,	PUNCT
ajst-20791	100	13	2019	2019	NUM
ajst-20791	100	14	,	,	PUNCT
ajst-20791	100	15	and	and	CCONJ
ajst-20791	100	16	may	may	PROPN
ajst-20791	100	17	18	18	NUM
ajst-20791	100	18	,	,	PUNCT
ajst-20791	100	19	2021	2021	NUM
ajst-20791	100	20	,	,	PUNCT
ajst-20791	100	21	show	show	VERB
ajst-20791	100	22	significant	significant	ADJ
ajst-20791	100	23	changes	change	NOUN
ajst-20791	100	24	in	in	ADP
ajst-20791	100	25	delong	delong	PROPN
ajst-20791	100	26	open	open	ADJ
ajst-20791	100	27	-	-	PUNCT
ajst-20791	100	28	pit	pit	NOUN
ajst-20791	100	29	mine	mine	NOUN
ajst-20791	100	30	dump	dump	NOUN
ajst-20791	100	31	.	.	PUNCT
ajst-20791	101	1	in	in	ADP
ajst-20791	101	2	april	april	PROPN
ajst-20791	101	3	2018	2018	NUM
ajst-20791	101	4	,	,	PUNCT
ajst-20791	101	5	the	the	DET
ajst-20791	101	6	northern	northern	ADJ
ajst-20791	101	7	part	part	NOUN
ajst-20791	101	8	of	of	ADP
ajst-20791	101	9	the	the	DET
ajst-20791	101	10	delong	delong	PROPN
ajst-20791	101	11	open	open	ADJ
ajst-20791	101	12	-	-	PUNCT
ajst-20791	101	13	pit	pit	NOUN
ajst-20791	101	14	mine	mine	NOUN
ajst-20791	101	15	was	be	AUX
ajst-20791	101	16	almost	almost	ADV
ajst-20791	101	17	fully	fully	ADV
ajst-20791	101	18	excavated	excavate	VERB
ajst-20791	101	19	,	,	PUNCT
ajst-20791	101	20	requiring	require	VERB
ajst-20791	101	21	cleanup	cleanup	NOUN
ajst-20791	101	22	of	of	ADP
ajst-20791	101	23	the	the	DET
ajst-20791	101	24	southern	southern	ADJ
ajst-20791	101	25	dump	dump	NOUN
ajst-20791	101	26	.	.	PUNCT
ajst-20791	102	1	by	by	ADP
ajst-20791	102	2	june	june	PROPN
ajst-20791	102	3	2021	2021	NUM
ajst-20791	102	4	,	,	PUNCT
ajst-20791	102	5	the	the	DET
ajst-20791	102	6	topsoil	topsoil	NOUN
ajst-20791	102	7	of	of	ADP
ajst-20791	102	8	the	the	DET
ajst-20791	102	9	dump	dump	NOUN
ajst-20791	102	10	had	have	AUX
ajst-20791	102	11	been	be	AUX
ajst-20791	102	12	completely	completely	ADV
ajst-20791	102	13	cleared	clear	VERB
ajst-20791	102	14	.	.	PUNCT
ajst-20791	103	1	based	base	VERB
ajst-20791	103	2	on	on	ADP
ajst-20791	103	3	visual	visual	ADJ
ajst-20791	103	4	analysis	analysis	NOUN
ajst-20791	103	5	of	of	ADP
ajst-20791	103	6	figure	figure	NOUN
ajst-20791	103	7	5(b	5(b	NUM
ajst-20791	103	8	)	)	PUNCT
ajst-20791	103	9	on	on	ADP
ajst-20791	103	10	may	may	PROPN
ajst-20791	103	11	18	18	NUM
ajst-20791	103	12	,	,	PUNCT
ajst-20791	103	13	2021	2021	NUM
ajst-20791	103	14	,	,	PUNCT
ajst-20791	103	15	the	the	DET
ajst-20791	103	16	terrain	terrain	NOUN
ajst-20791	103	17	in	in	ADP
ajst-20791	103	18	zone	zone	NOUN
ajst-20791	103	19	1	1	NUM
ajst-20791	103	20	appeared	appear	VERB
ajst-20791	103	21	flat	flat	ADJ
ajst-20791	103	22	,	,	PUNCT
ajst-20791	103	23	and	and	CCONJ
ajst-20791	103	24	the	the	DET
ajst-20791	103	25	laser	laser	NOUN
ajst-20791	103	26	tracks	track	VERB
ajst-20791	103	27	from	from	ADP
ajst-20791	103	28	the	the	DET
ajst-20791	103	29	two	two	NUM
ajst-20791	103	30	time	time	NOUN
ajst-20791	103	31	periods	period	NOUN
ajst-20791	103	32	in	in	ADP
ajst-20791	103	33	figure	figure	NOUN
ajst-20791	103	34	4	4	NUM
ajst-20791	103	35	were	be	AUX
ajst-20791	103	36	approximately	approximately	ADV
ajst-20791	103	37	0.35	0.35	NUM
ajst-20791	103	38	m	m	NOUN
ajst-20791	103	39	apart	apart	ADV
ajst-20791	103	40	.	.	PUNCT
ajst-20791	104	1	therefore	therefore	ADV
ajst-20791	104	2	,	,	PUNCT
ajst-20791	104	3	we	we	PRON
ajst-20791	104	4	can	can	AUX
ajst-20791	104	5	consider	consider	VERB
ajst-20791	104	6	the	the	DET
ajst-20791	104	7	surface	surface	NOUN
ajst-20791	104	8	elevation	elevation	NOUN
ajst-20791	104	9	on	on	ADP
ajst-20791	104	10	november	november	PROPN
ajst-20791	104	11	10	10	NUM
ajst-20791	104	12	,	,	PUNCT
ajst-20791	104	13	2021	2021	NUM
ajst-20791	104	14	,	,	PUNCT
ajst-20791	104	15	to	to	PART
ajst-20791	104	16	be	be	AUX
ajst-20791	104	17	equivalent	equivalent	ADJ
ajst-20791	104	18	to	to	ADP
ajst-20791	104	19	the	the	DET
ajst-20791	104	20	elevation	elevation	NOUN
ajst-20791	104	21	of	of	ADP
ajst-20791	104	22	the	the	DET
ajst-20791	104	23	gt2l	gt2l	PROPN
ajst-20791	104	24	track	track	NOUN
ajst-20791	104	25	on	on	ADP
ajst-20791	104	26	november	november	PROPN
ajst-20791	104	27	10	10	NUM
ajst-20791	104	28	,	,	PUNCT
ajst-20791	104	29	2021	2021	NUM
ajst-20791	104	30	.	.	PUNCT
ajst-20791	105	1	in	in	ADP
ajst-20791	105	2	figure	figure	NOUN
ajst-20791	105	3	6(a	6(a	NUM
ajst-20791	105	4	)	)	PUNCT
ajst-20791	105	5	,	,	PUNCT
ajst-20791	105	6	the	the	DET
ajst-20791	105	7	surface	surface	NOUN
ajst-20791	105	8	elevations	elevation	NOUN
ajst-20791	105	9	in	in	ADP
ajst-20791	105	10	zone	zone	NOUN
ajst-20791	105	11	1	1	NUM
ajst-20791	105	12	for	for	ADP
ajst-20791	105	13	the	the	DET
ajst-20791	105	14	two	two	NUM
ajst-20791	105	15	periods	period	NOUN
ajst-20791	105	16	are	be	AUX
ajst-20791	105	17	1128.4	1128.4	NUM
ajst-20791	105	18	m	m	NOUN
ajst-20791	105	19	and	and	CCONJ
ajst-20791	105	20	1112.1	1112.1	NUM
ajst-20791	105	21	m	m	NOUN
ajst-20791	105	22	,	,	PUNCT
ajst-20791	105	23	respectively	respectively	ADV
ajst-20791	105	24	,	,	PUNCT
ajst-20791	105	25	indicating	indicate	VERB
ajst-20791	105	26	a	a	DET
ajst-20791	105	27	subsidence	subsidence	NOUN
ajst-20791	105	28	of	of	ADP
ajst-20791	105	29	approximately	approximately	ADV
ajst-20791	105	30	16.3	16.3	NUM
ajst-20791	105	31	m.	m.	NOUN
ajst-20791	105	32	regarding	regard	VERB
ajst-20791	105	33	bulianta	bulianta	PROPN
ajst-20791	105	34	open	open	ADJ
ajst-20791	105	35	-	-	PUNCT
ajst-20791	105	36	pit	pit	NOUN
ajst-20791	105	37	mine	mine	NOUN
ajst-20791	105	38	,	,	PUNCT
ajst-20791	105	39	the	the	DET
ajst-20791	105	40	mining	mining	NOUN
ajst-20791	105	41	operation	operation	NOUN
ajst-20791	105	42	was	be	AUX
ajst-20791	105	43	completed	complete	VERB
ajst-20791	105	44	before	before	ADP
ajst-20791	105	45	may	may	PROPN
ajst-20791	105	46	2019	2019	NUM
ajst-20791	105	47	,	,	PUNCT
ajst-20791	105	48	followed	follow	VERB
ajst-20791	105	49	by	by	ADP
ajst-20791	105	50	backfilling	backfille	VERB
ajst-20791	105	51	until	until	ADP
ajst-20791	105	52	june	june	PROPN
ajst-20791	105	53	2021	2021	NUM
ajst-20791	105	54	.	.	PUNCT
ajst-20791	106	1	figure	figure	VERB
ajst-20791	106	2	5(c)(d)(e	5(c)(d)(e	NUM
ajst-20791	106	3	)	)	PUNCT
ajst-20791	106	4	shows	show	VERB
ajst-20791	106	5	the	the	DET
ajst-20791	106	6	google	google	PROPN
ajst-20791	106	7	earth	earth	NOUN
ajst-20791	106	8	historical	historical	ADJ
ajst-20791	106	9	images	image	NOUN
ajst-20791	106	10	for	for	ADP
ajst-20791	106	11	three	three	NUM
ajst-20791	106	12	time	time	NOUN
ajst-20791	106	13	periods	period	NOUN
ajst-20791	106	14	:	:	PUNCT
ajst-20791	106	15	july	july	PROPN
ajst-20791	106	16	7	7	NUM
ajst-20791	106	17	,	,	PUNCT
ajst-20791	106	18	2019	2019	NUM
ajst-20791	106	19	,	,	PUNCT
ajst-20791	106	20	august	august	PROPN
ajst-20791	106	21	11	11	NUM
ajst-20791	106	22	,	,	PUNCT
ajst-20791	106	23	2020	2020	NUM
ajst-20791	106	24	,	,	PUNCT
ajst-20791	106	25	and	and	CCONJ
ajst-20791	106	26	may	may	PROPN
ajst-20791	106	27	18	18	NUM
ajst-20791	106	28	,	,	PUNCT
ajst-20791	106	29	2021	2021	NUM
ajst-20791	106	30	.	.	PUNCT
ajst-20791	107	1	combined	combine	VERB
ajst-20791	107	2	with	with	ADP
ajst-20791	107	3	figure	figure	NOUN
ajst-20791	107	4	4	4	NUM
ajst-20791	107	5	,	,	PUNCT
ajst-20791	107	6	we	we	PRON
ajst-20791	107	7	can	can	AUX
ajst-20791	107	8	see	see	VERB
ajst-20791	107	9	that	that	SCONJ
ajst-20791	107	10	the	the	DET
ajst-20791	107	11	laser	laser	NOUN
ajst-20791	107	12	tracks	track	VERB
ajst-20791	107	13	for	for	ADP
ajst-20791	107	14	zone	zone	NOUN
ajst-20791	107	15	2	2	NUM
ajst-20791	107	16	from	from	ADP
ajst-20791	107	17	the	the	DET
ajst-20791	107	18	two	two	NUM
ajst-20791	107	19	periods	period	NOUN
ajst-20791	107	20	are	be	AUX
ajst-20791	107	21	approximately	approximately	ADV
ajst-20791	107	22	0.14	0.14	NUM
ajst-20791	107	23	m	m	NOUN
ajst-20791	107	24	apart	apart	ADV
ajst-20791	107	25	,	,	PUNCT
ajst-20791	107	26	and	and	CCONJ
ajst-20791	107	27	the	the	DET
ajst-20791	107	28	terrain	terrain	NOUN
ajst-20791	107	29	appeared	appear	VERB
ajst-20791	107	30	flat	flat	ADJ
ajst-20791	107	31	in	in	ADP
ajst-20791	107	32	the	the	DET
ajst-20791	107	33	historical	historical	ADJ
ajst-20791	107	34	image	image	NOUN
ajst-20791	107	35	on	on	ADP
ajst-20791	107	36	august	august	PROPN
ajst-20791	107	37	11	11	NUM
ajst-20791	107	38	,	,	PUNCT
ajst-20791	107	39	2020	2020	NUM
ajst-20791	107	40	.	.	PUNCT
ajst-20791	108	1	thus	thus	ADV
ajst-20791	108	2	,	,	PUNCT
ajst-20791	108	3	we	we	PRON
ajst-20791	108	4	can	can	AUX
ajst-20791	108	5	consider	consider	VERB
ajst-20791	108	6	the	the	DET
ajst-20791	108	7	surface	surface	NOUN
ajst-20791	108	8	elevation	elevation	NOUN
ajst-20791	108	9	on	on	ADP
ajst-20791	108	10	august	august	PROPN
ajst-20791	108	11	13	13	NUM
ajst-20791	108	12	,	,	PUNCT
ajst-20791	108	13	2020	2020	NUM
ajst-20791	108	14	(	(	PUNCT
ajst-20791	108	15	gt2l	gt2l	PROPN
ajst-20791	108	16	track	track	NOUN
ajst-20791	108	17	)	)	PUNCT
ajst-20791	108	18	,	,	PUNCT
ajst-20791	108	19	equivalent	equivalent	ADJ
ajst-20791	108	20	to	to	ADP
ajst-20791	108	21	the	the	DET
ajst-20791	108	22	elevation	elevation	NOUN
ajst-20791	108	23	of	of	ADP
ajst-20791	108	24	the	the	DET
ajst-20791	108	25	gt2l	gt2l	PROPN
ajst-20791	108	26	track	track	NOUN
ajst-20791	108	27	on	on	ADP
ajst-20791	108	28	may	may	PROPN
ajst-20791	108	29	16	16	NUM
ajst-20791	108	30	,	,	PUNCT
ajst-20791	108	31	2019	2019	NUM
ajst-20791	108	32	.	.	PUNCT
ajst-20791	109	1	in	in	ADP
ajst-20791	109	2	figure	figure	NOUN
ajst-20791	109	3	6(b	6(b	NUM
ajst-20791	109	4	)	)	PUNCT
ajst-20791	109	5	,	,	PUNCT
ajst-20791	109	6	the	the	DET
ajst-20791	109	7	surface	surface	NOUN
ajst-20791	109	8	elevations	elevation	NOUN
ajst-20791	109	9	in	in	ADP
ajst-20791	109	10	zone	zone	NOUN
ajst-20791	109	11	2	2	NUM
ajst-20791	109	12	for	for	ADP
ajst-20791	109	13	the	the	DET
ajst-20791	109	14	two	two	NUM
ajst-20791	109	15	periods	period	NOUN
ajst-20791	109	16	are	be	AUX
ajst-20791	109	17	1082.2	1082.2	NUM
ajst-20791	109	18	m	m	NOUN
ajst-20791	109	19	and	and	CCONJ
ajst-20791	109	20	1085.3	1085.3	NUM
ajst-20791	109	21	m	m	NOUN
ajst-20791	109	22	,	,	PUNCT
ajst-20791	109	23	indicating	indicate	VERB
ajst-20791	109	24	an	an	DET
ajst-20791	109	25	elevation	elevation	NOUN
ajst-20791	109	26	increase	increase	NOUN
ajst-20791	109	27	of	of	ADP
ajst-20791	109	28	approximately	approximately	ADV
ajst-20791	109	29	3.1m.for	3.1m.for	PROPN
ajst-20791	109	30	zone	zone	NOUN
ajst-20791	109	31	3	3	NUM
ajst-20791	109	32	,	,	PUNCT
ajst-20791	109	33	a	a	DET
ajst-20791	109	34	similar	similar	ADJ
ajst-20791	109	35	approach	approach	NOUN
ajst-20791	109	36	was	be	AUX
ajst-20791	109	37	used	use	VERB
ajst-20791	109	38	,	,	PUNCT
ajst-20791	109	39	considering	consider	VERB
ajst-20791	109	40	the	the	DET
ajst-20791	109	41	surface	surface	NOUN
ajst-20791	109	42	elevation	elevation	NOUN
ajst-20791	109	43	on	on	ADP
ajst-20791	109	44	august	august	PROPN
ajst-20791	109	45	13	13	NUM
ajst-20791	109	46	,	,	PUNCT
ajst-20791	109	47	2020	2020	NUM
ajst-20791	109	48	(	(	PUNCT
ajst-20791	109	49	gt3	gt3	NOUN
ajst-20791	109	50	track	track	NOUN
ajst-20791	109	51	)	)	PUNCT
ajst-20791	109	52	,	,	PUNCT
ajst-20791	109	53	to	to	PART
ajst-20791	109	54	be	be	AUX
ajst-20791	109	55	equivalent	equivalent	ADJ
ajst-20791	109	56	to	to	ADP
ajst-20791	109	57	the	the	DET
ajst-20791	109	58	elevation	elevation	NOUN
ajst-20791	109	59	of	of	ADP
ajst-20791	109	60	the	the	DET
ajst-20791	109	61	gt3r	gt3r	ADJ
ajst-20791	109	62	track	track	NOUN
ajst-20791	109	63	on	on	ADP
ajst-20791	109	64	may	may	PROPN
ajst-20791	109	65	16	16	NUM
ajst-20791	109	66	,	,	PUNCT
ajst-20791	109	67	2019	2019	NUM
ajst-20791	109	68	.	.	PUNCT
ajst-20791	110	1	in	in	ADP
ajst-20791	110	2	figure	figure	NOUN
ajst-20791	110	3	6(c	6(c	NUM
ajst-20791	110	4	)	)	PUNCT
ajst-20791	110	5	,	,	PUNCT
ajst-20791	110	6	the	the	DET
ajst-20791	110	7	surface	surface	NOUN
ajst-20791	110	8	elevations	elevation	NOUN
ajst-20791	110	9	for	for	ADP
ajst-20791	110	10	the	the	DET
ajst-20791	110	11	two	two	NUM
ajst-20791	110	12	periods	period	NOUN
ajst-20791	110	13	are	be	AUX
ajst-20791	110	14	1072.3	1072.3	NUM
ajst-20791	110	15	m	m	NOUN
ajst-20791	110	16	and	and	CCONJ
ajst-20791	110	17	1085.9	1085.9	NUM
ajst-20791	110	18	m	m	NOUN
ajst-20791	110	19	,	,	PUNCT
ajst-20791	110	20	indicating	indicate	VERB
ajst-20791	110	21	an	an	DET
ajst-20791	110	22	elevation	elevation	NOUN
ajst-20791	110	23	increase	increase	NOUN
ajst-20791	110	24	of	of	ADP
ajst-20791	110	25	approximately	approximately	ADV
ajst-20791	110	26	13.6	13.6	NUM
ajst-20791	110	27	m	m	NOUN
ajst-20791	110	28	in	in	ADP
ajst-20791	110	29	zone	zone	NOUN
ajst-20791	110	30	3	3	NUM
ajst-20791	110	31	during	during	ADP
ajst-20791	110	32	the	the	DET
ajst-20791	110	33	period	period	NOUN
ajst-20791	110	34	from	from	ADP
ajst-20791	110	35	may	may	PROPN
ajst-20791	110	36	16	16	NUM
ajst-20791	110	37	,	,	PUNCT
ajst-20791	110	38	2019	2019	NUM
ajst-20791	110	39	,	,	PUNCT
ajst-20791	110	40	to	to	ADP
ajst-20791	110	41	august	august	PROPN
ajst-20791	110	42	13	13	NUM
ajst-20791	110	43	,	,	PUNCT
ajst-20791	110	44	2020.in	2020.in	NUM
ajst-20791	110	45	zone	zone	NOUN
ajst-20791	110	46	4	4	NUM
ajst-20791	110	47	,	,	PUNCT
ajst-20791	110	48	the	the	DET
ajst-20791	110	49	distance	distance	NOUN
ajst-20791	110	50	between	between	ADP
ajst-20791	110	51	the	the	DET
ajst-20791	110	52	laser	laser	NOUN
ajst-20791	110	53	tracks	track	NOUN
ajst-20791	110	54	on	on	ADP
ajst-20791	110	55	november	november	PROPN
ajst-20791	110	56	14	14	NUM
ajst-20791	110	57	,	,	PUNCT
ajst-20791	110	58	2019	2019	NUM
ajst-20791	110	59	(	(	PUNCT
ajst-20791	110	60	gt3r	gt3r	NOUN
ajst-20791	110	61	)	)	PUNCT
ajst-20791	110	62	and	and	CCONJ
ajst-20791	110	63	november	november	PROPN
ajst-20791	110	64	10	10	NUM
ajst-20791	110	65	,	,	PUNCT
ajst-20791	110	66	2021	2021	NUM
ajst-20791	110	67	(	(	PUNCT
ajst-20791	110	68	gt3r	gt3r	NOUN
ajst-20791	110	69	)	)	PUNCT
ajst-20791	110	70	is	be	AUX
ajst-20791	110	71	the	the	DET
ajst-20791	110	72	greatest	great	ADJ
ajst-20791	110	73	,	,	PUNCT
ajst-20791	110	74	reaching	reach	VERB
ajst-20791	110	75	1.88	1.88	NUM
ajst-20791	110	76	m.	m.	NOUN
ajst-20791	110	77	however	however	ADV
ajst-20791	110	78	,	,	PUNCT
ajst-20791	110	79	based	base	VERB
ajst-20791	110	80	on	on	ADP
ajst-20791	110	81	historical	historical	ADJ
ajst-20791	110	82	google	google	PROPN
ajst-20791	110	83	earth	earth	NOUN
ajst-20791	110	84	images	image	NOUN
ajst-20791	110	85	,	,	PUNCT
ajst-20791	110	86	the	the	DET
ajst-20791	110	87	terrain	terrain	NOUN
ajst-20791	110	88	in	in	ADP
ajst-20791	110	89	this	this	DET
ajst-20791	110	90	area	area	NOUN
ajst-20791	110	91	appeared	appear	VERB
ajst-20791	110	92	flat	flat	ADJ
ajst-20791	110	93	after	after	SCONJ
ajst-20791	110	94	backfilling	backfilling	NOUN
ajst-20791	110	95	was	be	AUX
ajst-20791	110	96	completed	complete	VERB
ajst-20791	110	97	before	before	ADP
ajst-20791	110	98	june	june	PROPN
ajst-20791	110	99	2021	2021	NUM
ajst-20791	110	100	.	.	PUNCT
ajst-20791	111	1	therefore	therefore	ADV
ajst-20791	111	2	,	,	PUNCT
ajst-20791	111	3	the	the	DET
ajst-20791	111	4	1.88	1.88	NUM
ajst-20791	111	5	m	m	NOUN
ajst-20791	111	6	difference	difference	NOUN
ajst-20791	111	7	in	in	ADP
ajst-20791	111	8	laser	laser	NOUN
ajst-20791	111	9	tracks	track	NOUN
ajst-20791	111	10	has	have	VERB
ajst-20791	111	11	little	little	ADJ
ajst-20791	111	12	impact	impact	NOUN
ajst-20791	111	13	on	on	ADP
ajst-20791	111	14	the	the	DET
ajst-20791	111	15	elevation	elevation	NOUN
ajst-20791	111	16	of	of	ADP
ajst-20791	111	17	the	the	DET
ajst-20791	111	18	gt3r	gt3r	ADJ
ajst-20791	111	19	track	track	NOUN
ajst-20791	111	20	on	on	ADP
ajst-20791	111	21	november	november	PROPN
ajst-20791	111	22	10	10	NUM
ajst-20791	111	23	,	,	PUNCT
ajst-20791	111	24	2021	2021	NUM
ajst-20791	111	25	,	,	PUNCT
ajst-20791	111	26	compared	compare	VERB
ajst-20791	111	27	to	to	ADP
ajst-20791	111	28	the	the	DET
ajst-20791	111	29	gt3r	gt3r	ADJ
ajst-20791	111	30	track	track	NOUN
ajst-20791	111	31	on	on	ADP
ajst-20791	111	32	november	november	PROPN
ajst-20791	111	33	14	14	NUM
ajst-20791	111	34	,	,	PUNCT
ajst-20791	111	35	2019	2019	NUM
ajst-20791	111	36	.	.	PUNCT
ajst-20791	112	1	in	in	ADP
ajst-20791	112	2	figure	figure	NOUN
ajst-20791	112	3	6(d	6(d	NUM
ajst-20791	112	4	)	)	PUNCT
ajst-20791	112	5	,	,	PUNCT
ajst-20791	112	6	the	the	DET
ajst-20791	112	7	surface	surface	NOUN
ajst-20791	112	8	elevations	elevation	NOUN
ajst-20791	112	9	for	for	ADP
ajst-20791	112	10	the	the	DET
ajst-20791	112	11	two	two	NUM
ajst-20791	112	12	periods	period	NOUN
ajst-20791	112	13	are	be	AUX
ajst-20791	112	14	1081.8	1081.8	NUM
ajst-20791	112	15	m	m	NOUN
ajst-20791	112	16	and	and	CCONJ
ajst-20791	112	17	1091.6	1091.6	NUM
ajst-20791	112	18	m	m	NOUN
ajst-20791	112	19	,	,	PUNCT
ajst-20791	112	20	indicating	indicate	VERB
ajst-20791	112	21	an	an	DET
ajst-20791	112	22	elevation	elevation	NOUN
ajst-20791	112	23	increase	increase	NOUN
ajst-20791	112	24	of	of	ADP
ajst-20791	112	25	approximately	approximately	ADV
ajst-20791	112	26	10.5	10.5	NUM
ajst-20791	112	27	m	m	NOUN
ajst-20791	112	28	in	in	ADP
ajst-20791	112	29	zone	zone	NOUN
ajst-20791	112	30	4	4	NUM
ajst-20791	112	31	from	from	ADP
ajst-20791	112	32	november	november	PROPN
ajst-20791	112	33	14	14	NUM
ajst-20791	112	34	,	,	PUNCT
ajst-20791	112	35	2019	2019	NUM
ajst-20791	112	36	,	,	PUNCT
ajst-20791	112	37	to	to	ADP
ajst-20791	112	38	november	november	PROPN
ajst-20791	112	39	10	10	NUM
ajst-20791	112	40	,	,	PUNCT
ajst-20791	112	41	2021.through	2021.through	NOUN
ajst-20791	112	42	the	the	DET
ajst-20791	112	43	above	above	ADJ
ajst-20791	112	44	analysis	analysis	NOUN
ajst-20791	112	45	,	,	PUNCT
ajst-20791	112	46	we	we	PRON
ajst-20791	112	47	have	have	AUX
ajst-20791	112	48	obtained	obtain	VERB
ajst-20791	112	49	the	the	DET
ajst-20791	112	50	surface	surface	NOUN
ajst-20791	112	51	elevation	elevation	NOUN
ajst-20791	112	52	changes	change	NOUN
ajst-20791	112	53	in	in	ADP
ajst-20791	112	54	delong	delong	PROPN
ajst-20791	112	55	open	open	ADJ
ajst-20791	112	56	-	-	PUNCT
ajst-20791	112	57	pit	pit	NOUN
ajst-20791	112	58	mine	mine	NOUN
ajst-20791	112	59	dump	dump	NOUN
ajst-20791	112	60	and	and	CCONJ
ajst-20791	112	61	bulianta	bulianta	VERB
ajst-20791	112	62	open	open	ADJ
ajst-20791	112	63	-	-	PUNCT
ajst-20791	112	64	pit	pit	NOUN
ajst-20791	112	65	mine	mine	NOUN
ajst-20791	112	66	at	at	ADP
ajst-20791	112	67	different	different	ADJ
ajst-20791	112	68	times	time	NOUN
ajst-20791	112	69	.	.	PUNCT
ajst-20791	113	1	96	96	NUM
ajst-20791	113	2	figure	figure	NOUN
ajst-20791	113	3	5	5	NUM
ajst-20791	113	4	.	.	PUNCT
ajst-20791	113	5	historical	historical	ADJ
ajst-20791	113	6	images	image	NOUN
ajst-20791	113	7	of	of	ADP
ajst-20791	113	8	the	the	DET
ajst-20791	113	9	study	study	NOUN
ajst-20791	113	10	area	area	NOUN
ajst-20791	113	11	figure	figure	NOUN
ajst-20791	113	12	6	6	NUM
ajst-20791	113	13	.	.	PUNCT
ajst-20791	114	1	schematic	schematic	ADJ
ajst-20791	114	2	diagram	diagram	NOUN
ajst-20791	114	3	of	of	ADP
ajst-20791	114	4	surface	surface	NOUN
ajst-20791	114	5	elevation	elevation	NOUN
ajst-20791	114	6	change	change	NOUN
ajst-20791	114	7	5	5	NUM
ajst-20791	114	8	.	.	PUNCT
ajst-20791	114	9	accuracy	accuracy	NOUN
ajst-20791	114	10	evaluation	evaluation	NOUN
ajst-20791	114	11	to	to	PART
ajst-20791	114	12	investigate	investigate	VERB
ajst-20791	114	13	the	the	DET
ajst-20791	114	14	accuracy	accuracy	NOUN
ajst-20791	114	15	of	of	ADP
ajst-20791	114	16	atlas	atlas	PROPN
ajst-20791	114	17	laser	laser	PROPN
ajst-20791	114	18	point	point	NOUN
ajst-20791	114	19	cloud	cloud	NOUN
ajst-20791	114	20	in	in	ADP
ajst-20791	114	21	retrieving	retrieve	VERB
ajst-20791	114	22	surface	surface	NOUN
ajst-20791	114	23	elevation	elevation	NOUN
ajst-20791	114	24	,	,	PUNCT
ajst-20791	114	25	the	the	DET
ajst-20791	114	26	study	study	NOUN
ajst-20791	114	27	area	area	NOUN
ajst-20791	114	28	selected	select	VERB
ajst-20791	114	29	was	be	AUX
ajst-20791	114	30	henan	henan	PROPN
ajst-20791	114	31	polytechnic	polytechnic	PROPN
ajst-20791	114	32	university	university	PROPN
ajst-20791	114	33	in	in	ADP
ajst-20791	114	34	jiaozuo	jiaozuo	PROPN
ajst-20791	114	35	city	city	PROPN
ajst-20791	114	36	,	,	PUNCT
ajst-20791	114	37	henan	henan	PROPN
ajst-20791	114	38	province	province	PROPN
ajst-20791	114	39	,	,	PUNCT
ajst-20791	114	40	china	china	PROPN
ajst-20791	114	41	.	.	PUNCT
ajst-20791	115	1	the	the	DET
ajst-20791	115	2	validation	validation	NOUN
ajst-20791	115	3	data	datum	NOUN
ajst-20791	115	4	used	use	VERB
ajst-20791	115	5	for	for	ADP
ajst-20791	115	6	comparison	comparison	NOUN
ajst-20791	115	7	were	be	AUX
ajst-20791	115	8	airborne	airborne	ADJ
ajst-20791	115	9	lidar	lidar	NOUN
ajst-20791	115	10	data	datum	NOUN
ajst-20791	115	11	collected	collect	VERB
ajst-20791	115	12	by	by	ADP
ajst-20791	115	13	the	the	DET
ajst-20791	115	14	d	d	PROPN
ajst-20791	115	15	-	-	PUNCT
ajst-20791	115	16	lidar2000	lidar2000	PROPN
ajst-20791	115	17	module	module	NOUN
ajst-20791	115	18	onboard	onboard	ADP
ajst-20791	115	19	the	the	DET
ajst-20791	115	20	feima	feima	ADJ
ajst-20791	115	21	d2000	d2000	PROPN
ajst-20791	115	22	unmanned	unmanned	ADJ
ajst-20791	115	23	aerial	aerial	ADJ
ajst-20791	115	24	vehicle	vehicle	NOUN
ajst-20791	115	25	and	and	CCONJ
ajst-20791	115	26	the	the	DET
ajst-20791	115	27	icesat-2	icesat-2	NUM
ajst-20791	115	28	point	point	NOUN
ajst-20791	115	29	cloud	cloud	NOUN
ajst-20791	115	30	data	datum	NOUN
ajst-20791	115	31	passing	pass	VERB
ajst-20791	115	32	through	through	ADP
ajst-20791	115	33	the	the	DET
ajst-20791	115	34	area	area	NOUN
ajst-20791	115	35	on	on	ADP
ajst-20791	115	36	december	december	PROPN
ajst-20791	115	37	1	1	NUM
ajst-20791	115	38	,	,	PUNCT
ajst-20791	115	39	2019	2019	NUM
ajst-20791	115	40	.	.	PUNCT
ajst-20791	116	1	the	the	DET
ajst-20791	116	2	main	main	ADJ
ajst-20791	116	3	purpose	purpose	NOUN
ajst-20791	116	4	of	of	ADP
ajst-20791	116	5	this	this	DET
ajst-20791	116	6	study	study	NOUN
ajst-20791	116	7	was	be	AUX
ajst-20791	116	8	to	to	PART
ajst-20791	116	9	analyze	analyze	VERB
ajst-20791	116	10	the	the	DET
ajst-20791	116	11	accuracy	accuracy	NOUN
ajst-20791	116	12	of	of	ADP
ajst-20791	116	13	surface	surface	NOUN
ajst-20791	116	14	elevation	elevation	NOUN
ajst-20791	116	15	inversion	inversion	NOUN
ajst-20791	116	16	using	use	VERB
ajst-20791	116	17	icesat-2	icesat-2	NUM
ajst-20791	116	18	satellite	satellite	NOUN
ajst-20791	116	19	laser	laser	NOUN
ajst-20791	116	20	data	datum	NOUN
ajst-20791	116	21	.	.	PUNCT
ajst-20791	117	1	therefore	therefore	ADV
ajst-20791	117	2	,	,	PUNCT
ajst-20791	117	3	the	the	DET
ajst-20791	117	4	first	first	ADJ
ajst-20791	117	5	step	step	NOUN
ajst-20791	117	6	involved	involve	VERB
ajst-20791	117	7	separating	separate	VERB
ajst-20791	117	8	the	the	DET
ajst-20791	117	9	feima	feima	ADJ
ajst-20791	117	10	d2000	d2000	ADJ
ajst-20791	117	11	airborne	airborne	ADJ
ajst-20791	117	12	lidar	lidar	NOUN
ajst-20791	117	13	data	datum	NOUN
ajst-20791	117	14	into	into	ADP
ajst-20791	117	15	ground	ground	NOUN
ajst-20791	117	16	and	and	CCONJ
ajst-20791	117	17	non	non	ADJ
ajst-20791	117	18	-	-	ADJ
ajst-20791	117	19	ground	ground	ADJ
ajst-20791	117	20	points	point	NOUN
ajst-20791	117	21	.	.	PUNCT
ajst-20791	118	1	to	to	PART
ajst-20791	118	2	achieve	achieve	VERB
ajst-20791	118	3	this	this	PRON
ajst-20791	118	4	,	,	PUNCT
ajst-20791	118	5	we	we	PRON
ajst-20791	118	6	utilized	utilize	VERB
ajst-20791	118	7	the	the	DET
ajst-20791	118	8	csf	csf	NOUN
ajst-20791	118	9	(	(	PUNCT
ajst-20791	118	10	cloth	cloth	NOUN
ajst-20791	118	11	simulation	simulation	NOUN
ajst-20791	118	12	filter	filter	NOUN
ajst-20791	118	13	)	)	PUNCT
ajst-20791	118	14	filtering	filter	VERB
ajst-20791	118	15	algorithm	algorithm	NOUN
ajst-20791	118	16	,	,	PUNCT
ajst-20791	118	17	a	a	DET
ajst-20791	118	18	built	build	VERB
ajst-20791	118	19	-	-	PUNCT
ajst-20791	118	20	in	in	ADP
ajst-20791	118	21	feature	feature	NOUN
ajst-20791	118	22	in	in	ADP
ajst-20791	118	23	the	the	DET
ajst-20791	118	24	cloudcompare	cloudcompare	NOUN
ajst-20791	118	25	point	point	NOUN
ajst-20791	118	26	cloud	cloud	NOUN
ajst-20791	118	27	processing	processing	NOUN
ajst-20791	118	28	software	software	NOUN
ajst-20791	118	29	,	,	PUNCT
ajst-20791	118	30	to	to	PART
ajst-20791	118	31	separate	separate	VERB
ajst-20791	118	32	the	the	DET
ajst-20791	118	33	airborne	airborne	ADJ
ajst-20791	118	34	lidar	lidar	NOUN
ajst-20791	118	35	data	datum	NOUN
ajst-20791	118	36	into	into	ADP
ajst-20791	118	37	ground	ground	NOUN
ajst-20791	118	38	and	and	CCONJ
ajst-20791	118	39	non	non	ADJ
ajst-20791	118	40	-	-	ADJ
ajst-20791	118	41	ground	ground	ADJ
ajst-20791	118	42	points	point	NOUN
ajst-20791	118	43	.	.	PUNCT
ajst-20791	119	1	while	while	SCONJ
ajst-20791	119	2	preserving	preserve	VERB
ajst-20791	119	3	the	the	DET
ajst-20791	119	4	original	original	ADJ
ajst-20791	119	5	point	point	NOUN
ajst-20791	119	6	cloud	cloud	NOUN
ajst-20791	119	7	data	datum	NOUN
ajst-20791	119	8	characteristics	characteristic	NOUN
ajst-20791	119	9	,	,	PUNCT
ajst-20791	119	10	we	we	PRON
ajst-20791	119	11	effectively	effectively	ADV
ajst-20791	119	12	reduced	reduce	VERB
ajst-20791	119	13	the	the	DET
ajst-20791	119	14	data	datum	NOUN
ajst-20791	119	15	volume	volume	NOUN
ajst-20791	119	16	of	of	ADP
ajst-20791	119	17	ground	ground	NOUN
ajst-20791	119	18	points	point	NOUN
ajst-20791	119	19	by	by	ADP
ajst-20791	119	20	subsampling	subsample	VERB
ajst-20791	119	21	and	and	CCONJ
ajst-20791	119	22	thinning	thin	VERB
ajst-20791	119	23	the	the	DET
ajst-20791	119	24	non	non	ADJ
ajst-20791	119	25	-	-	ADJ
ajst-20791	119	26	ground	ground	ADJ
ajst-20791	119	27	points	point	NOUN
ajst-20791	119	28	.	.	PUNCT
ajst-20791	120	1	figure	figure	NOUN
ajst-20791	120	2	7	7	NUM
ajst-20791	120	3	displays	display	VERB
ajst-20791	120	4	the	the	DET
ajst-20791	120	5	overlapping	overlap	VERB
ajst-20791	120	6	illustration	illustration	NOUN
ajst-20791	120	7	of	of	ADP
ajst-20791	120	8	ground	ground	NOUN
ajst-20791	120	9	points	point	NOUN
ajst-20791	120	10	obtained	obtain	VERB
ajst-20791	120	11	after	after	ADP
ajst-20791	120	12	applying	apply	VERB
ajst-20791	120	13	the	the	DET
ajst-20791	120	14	csf	csf	ADJ
ajst-20791	120	15	filtering	filter	VERB
ajst-20791	120	16	algorithm	algorithm	NOUN
ajst-20791	120	17	and	and	CCONJ
ajst-20791	120	18	the	the	DET
ajst-20791	120	19	native	native	ADJ
ajst-20791	120	20	algorithm	algorithm	NOUN
ajst-20791	120	21	of	of	ADP
ajst-20791	120	22	cloudcompare	cloudcompare	NOUN
ajst-20791	120	23	with	with	ADP
ajst-20791	120	24	the	the	DET
ajst-20791	120	25	icesat-2	icesat-2	NUM
ajst-20791	120	26	laser	laser	NOUN
ajst-20791	120	27	track	track	NOUN
ajst-20791	120	28	.	.	PUNCT
ajst-20791	121	1	through	through	ADP
ajst-20791	121	2	this	this	DET
ajst-20791	121	3	processing	processing	NOUN
ajst-20791	121	4	,	,	PUNCT
ajst-20791	121	5	we	we	PRON
ajst-20791	121	6	obtained	obtain	VERB
ajst-20791	121	7	precise	precise	ADJ
ajst-20791	121	8	ground	ground	NOUN
ajst-20791	121	9	point	point	NOUN
ajst-20791	121	10	cloud	cloud	PROPN
ajst-20791	121	11	data	datum	NOUN
ajst-20791	121	12	,	,	PUNCT
ajst-20791	121	13	which	which	PRON
ajst-20791	121	14	we	we	PRON
ajst-20791	121	15	then	then	ADV
ajst-20791	121	16	compared	compare	VERB
ajst-20791	121	17	with	with	ADP
ajst-20791	121	18	the	the	DET
ajst-20791	121	19	icesat-2	icesat-2	NUM
ajst-20791	121	20	laser	laser	NOUN
ajst-20791	121	21	track	track	NOUN
ajst-20791	121	22	to	to	PART
ajst-20791	121	23	evaluate	evaluate	VERB
ajst-20791	121	24	the	the	DET
ajst-20791	121	25	accuracy	accuracy	NOUN
ajst-20791	121	26	of	of	ADP
ajst-20791	121	27	atlas	atlas	PROPN
ajst-20791	121	28	laser	laser	PROPN
ajst-20791	121	29	point	point	NOUN
ajst-20791	121	30	cloud	cloud	NOUN
ajst-20791	121	31	in	in	ADP
ajst-20791	121	32	retrieving	retrieve	VERB
ajst-20791	121	33	surface	surface	NOUN
ajst-20791	121	34	elevation	elevation	NOUN
ajst-20791	121	35	.	.	PUNCT
ajst-20791	122	1	figure	figure	VERB
ajst-20791	122	2	7	7	NUM
ajst-20791	122	3	.	.	PUNCT
ajst-20791	122	4	schematic	schematic	ADJ
ajst-20791	122	5	diagram	diagram	NOUN
ajst-20791	122	6	of	of	ADP
ajst-20791	122	7	validation	validation	NOUN
ajst-20791	122	8	data	datum	NOUN
ajst-20791	122	9	research	research	NOUN
ajst-20791	122	10	area	area	NOUN
ajst-20791	122	11	97	97	NUM
ajst-20791	122	12	figure	figure	NOUN
ajst-20791	122	13	8	8	NUM
ajst-20791	122	14	.	.	PUNCT
ajst-20791	123	1	surface	surface	NOUN
ajst-20791	123	2	inversion	inversion	NOUN
ajst-20791	123	3	diagram	diagram	NOUN
ajst-20791	123	4	of	of	ADP
ajst-20791	123	5	atlas	atlas	PROPN
ajst-20791	123	6	and	and	CCONJ
ajst-20791	123	7	pegasus	pegasus	PROPN
ajst-20791	123	8	d2000	d2000	PROPN
ajst-20791	123	9	data	datum	NOUN
ajst-20791	123	10	icesat-2	icesat-2	PROPN
ajst-20791	123	11	in	in	ADP
ajst-20791	123	12	the	the	DET
ajst-20791	123	13	third	third	ADJ
ajst-20791	123	14	section	section	NOUN
ajst-20791	123	15	of	of	ADP
ajst-20791	123	16	the	the	DET
ajst-20791	123	17	article	article	NOUN
ajst-20791	123	18	,	,	PUNCT
ajst-20791	123	19	the	the	DET
ajst-20791	123	20	icesat-2	icesat-2	NUM
ajst-20791	123	21	laser	laser	NOUN
ajst-20791	123	22	point	point	NOUN
ajst-20791	123	23	cloud	cloud	NOUN
ajst-20791	123	24	data	datum	NOUN
ajst-20791	123	25	was	be	AUX
ajst-20791	123	26	processed	process	VERB
ajst-20791	123	27	,	,	PUNCT
ajst-20791	123	28	resulting	result	VERB
ajst-20791	123	29	in	in	ADP
ajst-20791	123	30	ground	ground	NOUN
ajst-20791	123	31	points	point	NOUN
ajst-20791	123	32	for	for	ADP
ajst-20791	123	33	the	the	DET
ajst-20791	123	34	henan	henan	PROPN
ajst-20791	123	35	polytechnic	polytechnic	PROPN
ajst-20791	123	36	university	university	NOUN
ajst-20791	123	37	area	area	NOUN
ajst-20791	123	38	.	.	PUNCT
ajst-20791	124	1	then	then	ADV
ajst-20791	124	2	,	,	PUNCT
ajst-20791	124	3	the	the	DET
ajst-20791	124	4	overlapping	overlap	VERB
ajst-20791	124	5	area	area	NOUN
ajst-20791	124	6	with	with	ADP
ajst-20791	124	7	the	the	DET
ajst-20791	124	8	icesat-2	icesat-2	NUM
ajst-20791	124	9	track	track	NOUN
ajst-20791	124	10	was	be	AUX
ajst-20791	124	11	extracted	extract	VERB
ajst-20791	124	12	from	from	ADP
ajst-20791	124	13	the	the	DET
ajst-20791	124	14	unmanned	unmanned	ADJ
ajst-20791	124	15	aerial	aerial	ADJ
ajst-20791	124	16	vehicle	vehicle	NOUN
ajst-20791	124	17	(	(	PUNCT
ajst-20791	124	18	uav	uav	PROPN
ajst-20791	124	19	)	)	PUNCT
ajst-20791	124	20	data	datum	NOUN
ajst-20791	124	21	.	.	PUNCT
ajst-20791	125	1	figure	figure	NOUN
ajst-20791	125	2	8	8	NUM
ajst-20791	125	3	illustrates	illustrate	VERB
ajst-20791	125	4	the	the	DET
ajst-20791	125	5	terrain	terrain	NOUN
ajst-20791	125	6	generated	generate	VERB
ajst-20791	125	7	by	by	ADP
ajst-20791	125	8	the	the	DET
ajst-20791	125	9	feima	feima	ADJ
ajst-20791	125	10	d2000	d2000	PROPN
ajst-20791	125	11	airborne	airborne	ADJ
ajst-20791	125	12	lidar	lidar	NOUN
ajst-20791	125	13	data	datum	NOUN
ajst-20791	125	14	after	after	ADP
ajst-20791	125	15	cropping	crop	VERB
ajst-20791	125	16	to	to	PART
ajst-20791	125	17	match	match	VERB
ajst-20791	125	18	the	the	DET
ajst-20791	125	19	icesat-2	icesat-2	NUM
ajst-20791	125	20	track	track	NOUN
ajst-20791	125	21	.	.	PUNCT
ajst-20791	126	1	the	the	DET
ajst-20791	126	2	blue	blue	ADJ
ajst-20791	126	3	line	line	NOUN
ajst-20791	126	4	represents	represent	VERB
ajst-20791	126	5	the	the	DET
ajst-20791	126	6	digital	digital	ADJ
ajst-20791	126	7	terrain	terrain	NOUN
ajst-20791	126	8	model	model	NOUN
ajst-20791	126	9	(	(	PUNCT
ajst-20791	126	10	dtm	dtm	PROPN
ajst-20791	126	11	)	)	PUNCT
ajst-20791	126	12	generated	generate	VERB
ajst-20791	126	13	from	from	ADP
ajst-20791	126	14	the	the	DET
ajst-20791	126	15	ground	ground	NOUN
ajst-20791	126	16	points	point	NOUN
ajst-20791	126	17	extracted	extract	VERB
ajst-20791	126	18	from	from	ADP
ajst-20791	126	19	the	the	DET
ajst-20791	126	20	atl03	atl03	NOUN
ajst-20791	126	21	data	datum	NOUN
ajst-20791	126	22	after	after	ADP
ajst-20791	126	23	denoising	denoising	NOUN
ajst-20791	126	24	and	and	CCONJ
ajst-20791	126	25	classification	classification	NOUN
ajst-20791	126	26	,	,	PUNCT
ajst-20791	126	27	while	while	SCONJ
ajst-20791	126	28	the	the	DET
ajst-20791	126	29	green	green	ADJ
ajst-20791	126	30	line	line	NOUN
ajst-20791	126	31	represents	represent	VERB
ajst-20791	126	32	the	the	DET
ajst-20791	126	33	dtm	dtm	PROPN
ajst-20791	126	34	generated	generate	VERB
ajst-20791	126	35	from	from	ADP
ajst-20791	126	36	the	the	DET
ajst-20791	126	37	feima	feima	ADJ
ajst-20791	126	38	d2000	d2000	ADJ
ajst-20791	126	39	airborne	airborne	ADJ
ajst-20791	126	40	lidar	lidar	NOUN
ajst-20791	126	41	data.for	data.for	ADP
ajst-20791	126	42	a	a	DET
ajst-20791	126	43	quantitative	quantitative	ADJ
ajst-20791	126	44	assessment	assessment	NOUN
ajst-20791	126	45	of	of	ADP
ajst-20791	126	46	the	the	DET
ajst-20791	126	47	relationship	relationship	NOUN
ajst-20791	126	48	between	between	ADP
ajst-20791	126	49	the	the	DET
ajst-20791	126	50	two	two	NUM
ajst-20791	126	51	datasets	dataset	NOUN
ajst-20791	126	52	,	,	PUNCT
ajst-20791	126	53	the	the	DET
ajst-20791	126	54	researchers	researcher	NOUN
ajst-20791	126	55	conducted	conduct	VERB
ajst-20791	126	56	experiments	experiment	NOUN
ajst-20791	126	57	and	and	CCONJ
ajst-20791	126	58	calculated	calculate	VERB
ajst-20791	126	59	the	the	DET
ajst-20791	126	60	root	root	NOUN
ajst-20791	126	61	mean	mean	ADJ
ajst-20791	126	62	square	square	ADJ
ajst-20791	126	63	error	error	NOUN
ajst-20791	126	64	(	(	PUNCT
ajst-20791	126	65	rmse	rmse	NOUN
ajst-20791	126	66	)	)	PUNCT
ajst-20791	126	67	,	,	PUNCT
ajst-20791	126	68	mean	mean	VERB
ajst-20791	126	69	absolute	absolute	ADJ
ajst-20791	126	70	error	error	NOUN
ajst-20791	126	71	(	(	PUNCT
ajst-20791	126	72	mae	mae	PROPN
ajst-20791	126	73	)	)	PUNCT
ajst-20791	126	74	,	,	PUNCT
ajst-20791	126	75	and	and	CCONJ
ajst-20791	126	76	the	the	DET
ajst-20791	126	77	coefficient	coefficient	NOUN
ajst-20791	126	78	of	of	ADP
ajst-20791	126	79	determination	determination	NOUN
ajst-20791	126	80	(	(	PUNCT
ajst-20791	126	81	r2	r2	PROPN
ajst-20791	126	82	)	)	PUNCT
ajst-20791	126	83	.	.	PUNCT
ajst-20791	127	1	figure	figure	NOUN
ajst-20791	127	2	9	9	NUM
ajst-20791	127	3	displays	display	VERB
ajst-20791	127	4	the	the	DET
ajst-20791	127	5	scatter	scatter	NOUN
ajst-20791	127	6	plot	plot	NOUN
ajst-20791	127	7	of	of	ADP
ajst-20791	127	8	the	the	DET
ajst-20791	127	9	icesat-2	icesat-2	NUM
ajst-20791	127	10	data	datum	NOUN
ajst-20791	127	11	against	against	ADP
ajst-20791	127	12	the	the	DET
ajst-20791	127	13	feima	feima	ADJ
ajst-20791	127	14	d2000	d2000	PROPN
ajst-20791	127	15	data	datum	NOUN
ajst-20791	127	16	.	.	PUNCT
ajst-20791	128	1	the	the	DET
ajst-20791	128	2	experimental	experimental	ADJ
ajst-20791	128	3	results	result	NOUN
ajst-20791	128	4	show	show	VERB
ajst-20791	128	5	r2=0.954	r2=0.954	NOUN
ajst-20791	128	6	,	,	PUNCT
ajst-20791	128	7	rmse=0.324	rmse=0.324	NOUN
ajst-20791	128	8	m	m	NOUN
ajst-20791	128	9	,	,	PUNCT
ajst-20791	128	10	and	and	CCONJ
ajst-20791	128	11	mae=0.105	mae=0.105	ADJ
ajst-20791	128	12	m.	m.	NOUN
ajst-20791	128	13	these	these	DET
ajst-20791	128	14	results	result	NOUN
ajst-20791	128	15	indicate	indicate	VERB
ajst-20791	128	16	a	a	DET
ajst-20791	128	17	high	high	ADJ
ajst-20791	128	18	consistency	consistency	NOUN
ajst-20791	128	19	between	between	ADP
ajst-20791	128	20	the	the	DET
ajst-20791	128	21	surface	surface	NOUN
ajst-20791	128	22	elevation	elevation	NOUN
ajst-20791	128	23	retrieved	retrieve	VERB
ajst-20791	128	24	from	from	ADP
ajst-20791	128	25	the	the	DET
ajst-20791	128	26	icesat-2	icesat-2	NUM
ajst-20791	128	27	data	datum	NOUN
ajst-20791	128	28	and	and	CCONJ
ajst-20791	128	29	the	the	DET
ajst-20791	128	30	one	one	NOUN
ajst-20791	128	31	generated	generate	VERB
ajst-20791	128	32	from	from	ADP
ajst-20791	128	33	the	the	DET
ajst-20791	128	34	feima	feima	ADJ
ajst-20791	128	35	d2000	d2000	ADJ
ajst-20791	128	36	airborne	airborne	ADJ
ajst-20791	128	37	lidar	lidar	NOUN
ajst-20791	128	38	data	data	NOUN
ajst-20791	128	39	,	,	PUNCT
ajst-20791	128	40	confirming	confirm	VERB
ajst-20791	128	41	the	the	DET
ajst-20791	128	42	height	height	NOUN
ajst-20791	128	43	consistency	consistency	NOUN
ajst-20791	128	44	between	between	ADP
ajst-20791	128	45	the	the	DET
ajst-20791	128	46	two	two	NUM
ajst-20791	128	47	datasets	dataset	NOUN
ajst-20791	128	48	.	.	PUNCT
ajst-20791	129	1	figure	figure	NOUN
ajst-20791	129	2	9	9	NUM
ajst-20791	129	3	.	.	PUNCT
ajst-20791	129	4	scatter	scatter	NOUN
ajst-20791	129	5	diagram	diagram	NOUN
ajst-20791	129	6	of	of	ADP
ajst-20791	129	7	icesat-2	icesat-2	NUM
ajst-20791	129	8	data	datum	NOUN
ajst-20791	129	9	and	and	CCONJ
ajst-20791	129	10	pegasus	pegasus	PROPN
ajst-20791	129	11	d2000	d2000	PROPN
ajst-20791	129	12	data	datum	NOUN
ajst-20791	129	13	therefore	therefore	ADV
ajst-20791	129	14	,	,	PUNCT
ajst-20791	129	15	the	the	DET
ajst-20791	129	16	conclusion	conclusion	NOUN
ajst-20791	129	17	can	can	AUX
ajst-20791	129	18	be	be	AUX
ajst-20791	129	19	drawn	draw	VERB
ajst-20791	129	20	that	that	SCONJ
ajst-20791	129	21	icesat-2	icesat-2	NUM
ajst-20791	129	22	data	data	NOUN
ajst-20791	129	23	is	be	AUX
ajst-20791	129	24	a	a	DET
ajst-20791	129	25	reliable	reliable	ADJ
ajst-20791	129	26	scientific	scientific	ADJ
ajst-20791	129	27	resource	resource	NOUN
ajst-20791	129	28	and	and	CCONJ
ajst-20791	129	29	can	can	AUX
ajst-20791	129	30	be	be	AUX
ajst-20791	129	31	used	use	VERB
ajst-20791	129	32	for	for	ADP
ajst-20791	129	33	studying	study	VERB
ajst-20791	129	34	surface	surface	NOUN
ajst-20791	129	35	elevation	elevation	NOUN
ajst-20791	129	36	changes	change	NOUN
ajst-20791	129	37	.	.	PUNCT
ajst-20791	130	1	this	this	DET
ajst-20791	130	2	research	research	NOUN
ajst-20791	130	3	finding	finding	NOUN
ajst-20791	130	4	demonstrates	demonstrate	VERB
ajst-20791	130	5	that	that	SCONJ
ajst-20791	130	6	the	the	DET
ajst-20791	130	7	icesat-2	icesat-2	NUM
ajst-20791	130	8	laser	laser	NOUN
ajst-20791	130	9	point	point	NOUN
ajst-20791	130	10	cloud	cloud	NOUN
ajst-20791	130	11	data	datum	NOUN
ajst-20791	130	12	exhibits	exhibit	VERB
ajst-20791	130	13	excellent	excellent	ADJ
ajst-20791	130	14	accuracy	accuracy	NOUN
ajst-20791	130	15	in	in	ADP
ajst-20791	130	16	extracting	extract	VERB
ajst-20791	130	17	surface	surface	NOUN
ajst-20791	130	18	elevation	elevation	NOUN
ajst-20791	130	19	,	,	PUNCT
ajst-20791	130	20	providing	provide	VERB
ajst-20791	130	21	robust	robust	ADJ
ajst-20791	130	22	data	datum	NOUN
ajst-20791	130	23	support	support	NOUN
ajst-20791	130	24	for	for	ADP
ajst-20791	130	25	scientific	scientific	ADJ
ajst-20791	130	26	research	research	NOUN
ajst-20791	130	27	.	.	PUNCT
ajst-20791	131	1	the	the	DET
ajst-20791	131	2	implications	implication	NOUN
ajst-20791	131	3	of	of	ADP
ajst-20791	131	4	this	this	DET
ajst-20791	131	5	study	study	NOUN
ajst-20791	131	6	are	be	AUX
ajst-20791	131	7	significant	significant	ADJ
ajst-20791	131	8	for	for	ADP
ajst-20791	131	9	gaining	gain	VERB
ajst-20791	131	10	a	a	DET
ajst-20791	131	11	deeper	deep	ADJ
ajst-20791	131	12	understanding	understanding	NOUN
ajst-20791	131	13	of	of	ADP
ajst-20791	131	14	surface	surface	NOUN
ajst-20791	131	15	elevation	elevation	NOUN
ajst-20791	131	16	changes	change	NOUN
ajst-20791	131	17	and	and	CCONJ
ajst-20791	131	18	applications	application	NOUN
ajst-20791	131	19	in	in	ADP
ajst-20791	131	20	environmental	environmental	ADJ
ajst-20791	131	21	monitoring	monitoring	NOUN
ajst-20791	131	22	and	and	CCONJ
ajst-20791	131	23	resource	resource	NOUN
ajst-20791	131	24	management	management	NOUN
ajst-20791	131	25	.	.	PUNCT
ajst-20791	132	1	the	the	DET
ajst-20791	132	2	accuracy	accuracy	NOUN
ajst-20791	132	3	evaluation	evaluation	NOUN
ajst-20791	132	4	results	result	NOUN
ajst-20791	132	5	presented	present	VERB
ajst-20791	132	6	here	here	ADV
ajst-20791	132	7	demonstrate	demonstrate	VERB
ajst-20791	132	8	the	the	DET
ajst-20791	132	9	potential	potential	NOUN
ajst-20791	132	10	and	and	CCONJ
ajst-20791	132	11	reliability	reliability	NOUN
ajst-20791	132	12	of	of	ADP
ajst-20791	132	13	icesat-2	icesat-2	NUM
ajst-20791	132	14	laser	laser	NOUN
ajst-20791	132	15	point	point	NOUN
ajst-20791	132	16	cloud	cloud	NOUN
ajst-20791	132	17	data	datum	NOUN
ajst-20791	132	18	in	in	ADP
ajst-20791	132	19	extracting	extract	VERB
ajst-20791	132	20	surface	surface	NOUN
ajst-20791	132	21	elevation	elevation	NOUN
ajst-20791	132	22	changes	change	NOUN
ajst-20791	132	23	.	.	PUNCT
ajst-20791	133	1	these	these	DET
ajst-20791	133	2	findings	finding	NOUN
ajst-20791	133	3	have	have	VERB
ajst-20791	133	4	important	important	ADJ
ajst-20791	133	5	implications	implication	NOUN
ajst-20791	133	6	for	for	ADP
ajst-20791	133	7	various	various	ADJ
ajst-20791	133	8	fields	field	NOUN
ajst-20791	133	9	,	,	PUNCT
ajst-20791	133	10	including	include	VERB
ajst-20791	133	11	environmental	environmental	ADJ
ajst-20791	133	12	monitoring	monitoring	NOUN
ajst-20791	133	13	and	and	CCONJ
ajst-20791	133	14	resource	resource	NOUN
ajst-20791	133	15	management	management	NOUN
ajst-20791	133	16	,	,	PUNCT
ajst-20791	133	17	and	and	CCONJ
ajst-20791	133	18	provide	provide	VERB
ajst-20791	133	19	valuable	valuable	ADJ
ajst-20791	133	20	data	datum	NOUN
ajst-20791	133	21	for	for	ADP
ajst-20791	133	22	further	further	ADJ
ajst-20791	133	23	research	research	NOUN
ajst-20791	133	24	and	and	CCONJ
ajst-20791	133	25	decision	decision	NOUN
ajst-20791	133	26	-	-	PUNCT
ajst-20791	133	27	making	making	NOUN
ajst-20791	133	28	.	.	PUNCT
ajst-20791	134	1	6	6	X
ajst-20791	134	2	.	.	X
ajst-20791	134	3	conclusion	conclusion	NOUN
ajst-20791	134	4	in	in	ADP
ajst-20791	134	5	order	order	NOUN
ajst-20791	134	6	to	to	PART
ajst-20791	134	7	investigate	investigate	VERB
ajst-20791	134	8	the	the	DET
ajst-20791	134	9	surface	surface	NOUN
ajst-20791	134	10	elevation	elevation	NOUN
ajst-20791	134	11	changes	change	NOUN
ajst-20791	134	12	in	in	ADP
ajst-20791	134	13	the	the	DET
ajst-20791	134	14	same	same	ADJ
ajst-20791	134	15	area	area	NOUN
ajst-20791	134	16	at	at	ADP
ajst-20791	134	17	different	different	ADJ
ajst-20791	134	18	times	time	NOUN
ajst-20791	134	19	using	use	VERB
ajst-20791	134	20	icesat-2	icesat-2	PROPN
ajst-20791	134	21	/	/	SYM
ajst-20791	134	22	atlas	atlas	PROPN
ajst-20791	134	23	data	data	PROPN
ajst-20791	134	24	,	,	PUNCT
ajst-20791	134	25	we	we	PRON
ajst-20791	134	26	selected	select	VERB
ajst-20791	134	27	delong	delong	PROPN
ajst-20791	134	28	open	open	ADJ
ajst-20791	134	29	-	-	PUNCT
ajst-20791	134	30	pit	pit	NOUN
ajst-20791	134	31	mine	mine	NOUN
ajst-20791	134	32	dump	dump	NOUN
ajst-20791	134	33	and	and	CCONJ
ajst-20791	134	34	bulianta	bulianta	VERB
ajst-20791	134	35	open	open	ADJ
ajst-20791	134	36	-	-	PUNCT
ajst-20791	134	37	pit	pit	NOUN
ajst-20791	134	38	mine	mine	NOUN
ajst-20791	134	39	in	in	ADP
ajst-20791	134	40	wulanhulun	wulanhulun	PROPN
ajst-20791	134	41	town	town	NOUN
ajst-20791	134	42	,	,	PUNCT
ajst-20791	134	43	ordos	ordo	VERB
ajst-20791	134	44	city	city	PROPN
ajst-20791	134	45	,	,	PUNCT
ajst-20791	134	46	as	as	SCONJ
ajst-20791	134	47	our	our	PRON
ajst-20791	134	48	study	study	NOUN
ajst-20791	134	49	areas	area	NOUN
ajst-20791	134	50	and	and	CCONJ
ajst-20791	134	51	used	use	VERB
ajst-20791	134	52	atl03	atl03	NOUN
ajst-20791	134	53	and	and	CCONJ
ajst-20791	134	54	atl08	atl08	PROPN
ajst-20791	134	55	data	datum	NOUN
ajst-20791	134	56	for	for	ADP
ajst-20791	134	57	elevation	elevation	NOUN
ajst-20791	134	58	change	change	NOUN
ajst-20791	134	59	analysis	analysis	NOUN
ajst-20791	134	60	.	.	PUNCT
ajst-20791	135	1	the	the	DET
ajst-20791	135	2	results	result	NOUN
ajst-20791	135	3	of	of	ADP
ajst-20791	135	4	our	our	PRON
ajst-20791	135	5	study	study	NOUN
ajst-20791	135	6	are	be	AUX
ajst-20791	135	7	as	as	SCONJ
ajst-20791	135	8	follows	follow	VERB
ajst-20791	135	9	:	:	PUNCT
ajst-20791	135	10	in	in	ADP
ajst-20791	135	11	zone	zone	NOUN
ajst-20791	135	12	1	1	NUM
ajst-20791	135	13	of	of	ADP
ajst-20791	135	14	delong	delong	PROPN
ajst-20791	135	15	open	open	ADJ
ajst-20791	135	16	-	-	PUNCT
ajst-20791	135	17	pit	pit	NOUN
ajst-20791	135	18	mine	mine	NOUN
ajst-20791	135	19	dump	dump	NOUN
ajst-20791	135	20	,	,	PUNCT
ajst-20791	135	21	the	the	DET
ajst-20791	135	22	surface	surface	NOUN
ajst-20791	135	23	experienced	experience	VERB
ajst-20791	135	24	a	a	DET
ajst-20791	135	25	subsidence	subsidence	NOUN
ajst-20791	135	26	of	of	ADP
ajst-20791	135	27	approximately	approximately	ADV
ajst-20791	135	28	16.3	16.3	NUM
ajst-20791	135	29	meters	meter	NOUN
ajst-20791	135	30	during	during	ADP
ajst-20791	135	31	the	the	DET
ajst-20791	135	32	period	period	NOUN
ajst-20791	135	33	from	from	ADP
ajst-20791	135	34	november	november	PROPN
ajst-20791	135	35	14	14	NUM
ajst-20791	135	36	,	,	PUNCT
ajst-20791	135	37	2019	2019	NUM
ajst-20791	135	38	,	,	PUNCT
ajst-20791	135	39	to	to	ADP
ajst-20791	135	40	november	november	PROPN
ajst-20791	135	41	10	10	NUM
ajst-20791	135	42	,	,	PUNCT
ajst-20791	135	43	2021	2021	NUM
ajst-20791	135	44	.	.	PUNCT
ajst-20791	136	1	in	in	ADP
ajst-20791	136	2	zones	zone	NOUN
ajst-20791	136	3	2	2	NUM
ajst-20791	136	4	and	and	CCONJ
ajst-20791	136	5	3	3	NUM
ajst-20791	136	6	of	of	ADP
ajst-20791	136	7	bulianta	bulianta	PROPN
ajst-20791	136	8	open	open	ADJ
ajst-20791	136	9	-	-	PUNCT
ajst-20791	136	10	pit	pit	NOUN
ajst-20791	136	11	mine	mine	NOUN
ajst-20791	136	12	,	,	PUNCT
ajst-20791	136	13	the	the	DET
ajst-20791	136	14	surface	surface	NOUN
ajst-20791	136	15	elevation	elevation	NOUN
ajst-20791	136	16	rose	rise	VERB
ajst-20791	136	17	by	by	ADP
ajst-20791	136	18	approximately	approximately	ADV
ajst-20791	136	19	3.1	3.1	NUM
ajst-20791	136	20	meters	meter	NOUN
ajst-20791	136	21	and	and	CCONJ
ajst-20791	136	22	13.6	13.6	NUM
ajst-20791	136	23	meters	meter	NOUN
ajst-20791	136	24	,	,	PUNCT
ajst-20791	136	25	respectively	respectively	ADV
ajst-20791	136	26	,	,	PUNCT
ajst-20791	136	27	during	during	ADP
ajst-20791	136	28	the	the	DET
ajst-20791	136	29	period	period	NOUN
ajst-20791	136	30	from	from	ADP
ajst-20791	136	31	may	may	PROPN
ajst-20791	136	32	16	16	NUM
ajst-20791	136	33	,	,	PUNCT
ajst-20791	136	34	2019	2019	NUM
ajst-20791	136	35	,	,	PUNCT
ajst-20791	136	36	to	to	ADP
ajst-20791	136	37	august	august	PROPN
ajst-20791	136	38	13	13	NUM
ajst-20791	136	39	,	,	PUNCT
ajst-20791	136	40	2020	2020	NUM
ajst-20791	136	41	.	.	PUNCT
ajst-20791	137	1	in	in	ADP
ajst-20791	137	2	zone	zone	NOUN
ajst-20791	137	3	4	4	NUM
ajst-20791	137	4	of	of	ADP
ajst-20791	137	5	bulianta	bulianta	PROPN
ajst-20791	137	6	open	open	ADJ
ajst-20791	137	7	-	-	PUNCT
ajst-20791	137	8	pit	pit	NOUN
ajst-20791	137	9	mine	mine	NOUN
ajst-20791	137	10	,	,	PUNCT
ajst-20791	137	11	the	the	DET
ajst-20791	137	12	surface	surface	NOUN
ajst-20791	137	13	elevation	elevation	NOUN
ajst-20791	137	14	increased	increase	VERB
ajst-20791	137	15	by	by	ADP
ajst-20791	137	16	approximately	approximately	ADV
ajst-20791	137	17	10.5	10.5	NUM
ajst-20791	137	18	meters	meter	NOUN
ajst-20791	137	19	during	during	ADP
ajst-20791	137	20	the	the	DET
ajst-20791	137	21	period	period	NOUN
ajst-20791	137	22	from	from	ADP
ajst-20791	137	23	november	november	PROPN
ajst-20791	137	24	14	14	NUM
ajst-20791	137	25	,	,	PUNCT
ajst-20791	137	26	2019	2019	NUM
ajst-20791	137	27	,	,	PUNCT
ajst-20791	137	28	to	to	ADP
ajst-20791	137	29	november	november	PROPN
ajst-20791	137	30	10	10	NUM
ajst-20791	137	31	,	,	PUNCT
ajst-20791	137	32	2021	2021	NUM
ajst-20791	137	33	.	.	PUNCT
ajst-20791	138	1	to	to	PART
ajst-20791	138	2	assess	assess	VERB
ajst-20791	138	3	the	the	DET
ajst-20791	138	4	accuracy	accuracy	NOUN
ajst-20791	138	5	of	of	ADP
ajst-20791	138	6	icesat-2	icesat-2	NUM
ajst-20791	138	7	data	datum	NOUN
ajst-20791	138	8	in	in	ADP
ajst-20791	138	9	retrieving	retrieve	VERB
ajst-20791	138	10	surface	surface	NOUN
ajst-20791	138	11	elevation	elevation	NOUN
ajst-20791	138	12	,	,	PUNCT
ajst-20791	138	13	we	we	PRON
ajst-20791	138	14	used	use	VERB
ajst-20791	138	15	uav	uav	PROPN
ajst-20791	138	16	-	-	PUNCT
ajst-20791	138	17	based	base	VERB
ajst-20791	138	18	airborne	airborne	ADJ
ajst-20791	138	19	lidar	lidar	NOUN
ajst-20791	138	20	data	datum	NOUN
ajst-20791	138	21	acquired	acquire	VERB
ajst-20791	138	22	by	by	ADP
ajst-20791	138	23	the	the	DET
ajst-20791	138	24	feima	feima	ADJ
ajst-20791	138	25	d2000	d2000	PROPN
ajst-20791	138	26	drone	drone	NOUN
ajst-20791	138	27	as	as	ADP
ajst-20791	138	28	validation	validation	NOUN
ajst-20791	138	29	data	datum	NOUN
ajst-20791	138	30	.	.	PUNCT
ajst-20791	139	1	the	the	DET
ajst-20791	139	2	evaluation	evaluation	NOUN
ajst-20791	139	3	results	result	NOUN
ajst-20791	139	4	showed	show	VERB
ajst-20791	139	5	good	good	ADJ
ajst-20791	139	6	accuracy	accuracy	NOUN
ajst-20791	139	7	,	,	PUNCT
ajst-20791	139	8	with	with	ADP
ajst-20791	139	9	r2=0.956	r2=0.956	PRON
ajst-20791	139	10	,	,	PUNCT
ajst-20791	139	11	rmse=0.324	rmse=0.324	ADJ
ajst-20791	139	12	meters	meter	NOUN
ajst-20791	139	13	,	,	PUNCT
ajst-20791	139	14	and	and	CCONJ
ajst-20791	139	15	mae=0.105	mae=0.105	ADJ
ajst-20791	139	16	meters	meter	NOUN
ajst-20791	139	17	.	.	PUNCT
ajst-20791	140	1	this	this	PRON
ajst-20791	140	2	indicates	indicate	VERB
ajst-20791	140	3	that	that	SCONJ
ajst-20791	140	4	icesat-2	icesat-2	NUM
ajst-20791	140	5	data	datum	NOUN
ajst-20791	140	6	is	be	AUX
ajst-20791	140	7	reliable	reliable	ADJ
ajst-20791	140	8	for	for	ADP
ajst-20791	140	9	generating	generate	VERB
ajst-20791	140	10	surface	surface	NOUN
ajst-20791	140	11	elevation	elevation	NOUN
ajst-20791	140	12	data	datum	NOUN
ajst-20791	140	13	and	and	CCONJ
ajst-20791	140	14	serves	serve	VERB
ajst-20791	140	15	as	as	ADP
ajst-20791	140	16	a	a	DET
ajst-20791	140	17	valuable	valuable	ADJ
ajst-20791	140	18	source	source	NOUN
ajst-20791	140	19	of	of	ADP
ajst-20791	140	20	scientific	scientific	ADJ
ajst-20791	140	21	data	datum	NOUN
ajst-20791	140	22	.	.	PUNCT
ajst-20791	141	1	in	in	ADP
ajst-20791	141	2	conclusion	conclusion	NOUN
ajst-20791	141	3	,	,	PUNCT
ajst-20791	141	4	this	this	DET
ajst-20791	141	5	study	study	NOUN
ajst-20791	141	6	provides	provide	VERB
ajst-20791	141	7	valuable	valuable	ADJ
ajst-20791	141	8	insights	insight	NOUN
ajst-20791	141	9	into	into	ADP
ajst-20791	141	10	the	the	DET
ajst-20791	141	11	surface	surface	NOUN
ajst-20791	141	12	elevation	elevation	NOUN
ajst-20791	141	13	changes	change	NOUN
ajst-20791	141	14	in	in	ADP
ajst-20791	141	15	the	the	DET
ajst-20791	141	16	same	same	ADJ
ajst-20791	141	17	area	area	NOUN
ajst-20791	141	18	at	at	ADP
ajst-20791	141	19	different	different	ADJ
ajst-20791	141	20	times	time	NOUN
ajst-20791	141	21	through	through	ADP
ajst-20791	141	22	atlas	atlas	PROPN
ajst-20791	141	23	inversion	inversion	NOUN
ajst-20791	141	24	.	.	PUNCT
ajst-20791	142	1	in	in	ADP
ajst-20791	142	2	the	the	DET
ajst-20791	142	3	future	future	NOUN
ajst-20791	142	4	,	,	PUNCT
ajst-20791	142	5	nasa	nasa	PROPN
ajst-20791	142	6	will	will	AUX
ajst-20791	142	7	continue	continue	VERB
ajst-20791	142	8	the	the	DET
ajst-20791	142	9	lidar	lidar	NOUN
ajst-20791	142	10	surface	surface	NOUN
ajst-20791	142	11	topography	topography	NOUN
ajst-20791	142	12	(	(	PUNCT
ajst-20791	142	13	list	list	NOUN
ajst-20791	142	14	)	)	PUNCT
ajst-20791	142	15	mission	mission	NOUN
ajst-20791	143	1	[	[	X
ajst-20791	143	2	23	23	NUM
ajst-20791	143	3	-	-	SYM
ajst-20791	143	4	24	24	NUM
ajst-20791	143	5	]	]	PUNCT
ajst-20791	143	6	,	,	PUNCT
ajst-20791	143	7	aimed	aim	VERB
ajst-20791	143	8	at	at	ADP
ajst-20791	143	9	obtaining	obtain	VERB
ajst-20791	143	10	global	global	ADJ
ajst-20791	143	11	land	land	NOUN
ajst-20791	143	12	,	,	PUNCT
ajst-20791	143	13	vegetation	vegetation	NOUN
ajst-20791	143	14	,	,	PUNCT
ajst-20791	143	15	water	water	NOUN
ajst-20791	143	16	,	,	PUNCT
ajst-20791	143	17	and	and	CCONJ
ajst-20791	143	18	glacier	glacier	NOUN
ajst-20791	143	19	elevation	elevation	NOUN
ajst-20791	143	20	data	datum	NOUN
ajst-20791	143	21	with	with	ADP
ajst-20791	143	22	a	a	DET
ajst-20791	143	23	spatial	spatial	ADJ
ajst-20791	143	24	resolution	resolution	NOUN
ajst-20791	143	25	of	of	ADP
ajst-20791	143	26	5	5	NUM
ajst-20791	143	27	meters	meter	NOUN
ajst-20791	143	28	and	and	CCONJ
ajst-20791	143	29	an	an	DET
ajst-20791	143	30	elevation	elevation	NOUN
ajst-20791	143	31	resolution	resolution	NOUN
ajst-20791	143	32	of	of	ADP
ajst-20791	143	33	10	10	NUM
ajst-20791	143	34	centimeters	centimeter	NOUN
ajst-20791	143	35	.	.	PUNCT
ajst-20791	144	1	this	this	PRON
ajst-20791	144	2	will	will	AUX
ajst-20791	144	3	further	far	ADV
ajst-20791	144	4	enhance	enhance	VERB
ajst-20791	144	5	our	our	PRON
ajst-20791	144	6	understanding	understanding	NOUN
ajst-20791	144	7	of	of	ADP
ajst-20791	144	8	global	global	ADJ
ajst-20791	144	9	landforms	landform	NOUN
ajst-20791	144	10	and	and	CCONJ
ajst-20791	144	11	environmental	environmental	ADJ
ajst-20791	144	12	features	feature	NOUN
ajst-20791	144	13	.	.	PUNCT
ajst-20791	145	1	references	reference	NOUN
ajst-20791	145	2	[	[	X
ajst-20791	145	3	1	1	X
ajst-20791	145	4	]	]	PUNCT
ajst-20791	145	5	huang	huang	PROPN
ajst-20791	145	6	hai	hai	PROPN
ajst-20791	145	7	-	-	PUNCT
ajst-20791	145	8	lan	lan	PROPN
ajst-20791	145	9	,	,	PUNCT
ajst-20791	145	10	wang	wang	PROPN
ajst-20791	145	11	zhengtao	zhengtao	PROPN
ajst-20791	145	12	,	,	PUNCT
ajst-20791	145	13	jin	jin	PROPN
ajst-20791	145	14	tao	tao	PROPN
ajst-20791	145	15	-	-	PUNCT
ajst-20791	145	16	yong	yong	PROPN
ajst-20791	145	17	,	,	PUNCT
ajst-20791	145	18	et	et	PROPN
ajst-20791	145	19	al	al	PROPN
ajst-20791	145	20	.	.	PUNCT
ajst-20791	145	21	determination	determination	NOUN
ajst-20791	145	22	of	of	ADP
ajst-20791	145	23	polar	polar	ADJ
ajst-20791	145	24	ice	ice	NOUN
ajst-20791	145	25	sheet	sheet	NOUN
ajst-20791	145	26	elevation	elevation	NOUN
ajst-20791	145	27	change	change	NOUN
ajst-20791	145	28	using	use	VERB
ajst-20791	145	29	icesat	icesat	ADJ
ajst-20791	145	30	laser	laser	NOUN
ajst-20791	145	31	altimetry	altimetry	NOUN
ajst-20791	145	32	data	datum	NOUN
ajst-20791	146	1	[	[	X
ajst-20791	146	2	j	j	X
ajst-20791	146	3	]	]	X
ajst-20791	146	4	.	.	PUNCT
ajst-20791	147	1	journal	journal	PROPN
ajst-20791	147	2	of	of	ADP
ajst-20791	147	3	wuhan	wuhan	PROPN
ajst-20791	147	4	university	university	PROPN
ajst-20791	147	5	(	(	PUNCT
ajst-20791	147	6	information	information	NOUN
ajst-20791	147	7	science	science	NOUN
ajst-20791	147	8	edition	edition	PROPN
ajst-20791	147	9	)	)	PUNCT
ajst-20791	148	1	[	[	X
ajst-20791	148	2	2	2	NUM
ajst-20791	148	3	]	]	X
ajst-20791	148	4	ander	ander	PROPN
ajst-20791	148	5	lang	lang	PROPN
ajst-20791	148	6	,	,	PUNCT
ajst-20791	148	7	yang	yang	PROPN
ajst-20791	148	8	jin	jin	PROPN
ajst-20791	148	9	,	,	PUNCT
ajst-20791	148	10	wu	wu	PROPN
ajst-20791	148	11	yongbin	yongbin	PROPN
ajst-20791	148	12	,	,	PUNCT
ajst-20791	148	13	et	et	PROPN
ajst-20791	148	14	al	al	PROPN
ajst-20791	148	15	.	.	PUNCT
ajst-20791	148	16	research	research	NOUN
ajst-20791	148	17	progress	progress	NOUN
ajst-20791	148	18	of	of	ADP
ajst-20791	148	19	icesat-2	icesat-2	NUM
ajst-20791	148	20	laser	laser	NOUN
ajst-20791	148	21	altimeter	altimeter	NOUN
ajst-20791	148	22	satellite	satellite	NOUN
ajst-20791	148	23	[	[	X
ajst-20791	148	24	j	j	X
ajst-20791	148	25	]	]	X
ajst-20791	148	26	.	.	PUNCT
ajst-20791	149	1	ocean	ocean	NOUN
ajst-20791	149	2	surveying	surveying	NOUN
ajst-20791	149	3	and	and	CCONJ
ajst-20791	149	4	mapping,2019,39(06):9	mapping,2019,39(06):9	PROPN
ajst-20791	149	5	-	-	PUNCT
ajst-20791	149	6	15	15	NUM
ajst-20791	149	7	.	.	PUNCT
ajst-20791	150	1	[	[	X
ajst-20791	150	2	3	3	X
ajst-20791	150	3	]	]	X
ajst-20791	150	4	li	li	PROPN
ajst-20791	150	5	qingshuo	qingshuo	PROPN
ajst-20791	150	6	,	,	PUNCT
ajst-20791	150	7	ke	ke	PROPN
ajst-20791	150	8	changqing	changqing	PROPN
ajst-20791	150	9	,	,	PUNCT
ajst-20791	150	10	zhang	zhang	PROPN
ajst-20791	150	11	jie	jie	PROPN
ajst-20791	150	12	et	et	PROPN
ajst-20791	150	13	al	al	PROPN
ajst-20791	150	14	.	.	PROPN
ajst-20791	150	15	estimation	estimation	NOUN
ajst-20791	150	16	of	of	ADP
ajst-20791	150	17	mass	mass	ADJ
ajst-20791	150	18	balance	balance	NOUN
ajst-20791	150	19	of	of	ADP
ajst-20791	150	20	greenland	greenland	PROPN
ajst-20791	150	21	ice	ice	PROPN
ajst-20791	150	22	sheet	sheet	NOUN
ajst-20791	150	23	from	from	ADP
ajst-20791	150	24	2003	2003	NUM
ajst-20791	150	25	to	to	ADP
ajst-20791	150	26	2019	2019	NUM
ajst-20791	150	27	based	base	VERB
ajst-20791	150	28	on	on	ADP
ajst-20791	150	29	icesat	icesat	NOUN
ajst-20791	150	30	and	and	CCONJ
ajst-20791	150	31	icesat-2	icesat-2	NUM
ajst-20791	150	32	laser	laser	NOUN
ajst-20791	150	33	altimetry	altimetry	NOUN
ajst-20791	150	34	data	datum	NOUN
ajst-20791	151	1	[	[	X
ajst-20791	151	2	j	j	X
ajst-20791	151	3	]	]	X
ajst-20791	151	4	.	.	PUNCT
ajst-20791	152	1	journal	journal	PROPN
ajst-20791	152	2	of	of	ADP
ajst-20791	152	3	geoinformation	geoinformation	NOUN
ajst-20791	152	4	science	science	NOUN
ajst-20791	152	5	,	,	PUNCT
ajst-20791	152	6	2002,24(03):558	2002,24(03):558	NOUN
ajst-20791	152	7	-	-	SYM
ajst-20791	152	8	571	571	NUM
ajst-20791	152	9	.	.	PUNCT
ajst-20791	153	1	[	[	X
ajst-20791	153	2	4	4	X
ajst-20791	153	3	]	]	X
ajst-20791	153	4	wan	wan	PROPN
ajst-20791	153	5	jie	jie	PROPN
ajst-20791	153	6	,	,	PUNCT
ajst-20791	153	7	liao	liao	PROPN
ajst-20791	153	8	jingjuan	jingjuan	PROPN
ajst-20791	153	9	,	,	PUNCT
ajst-20791	153	10	xu	xu	PROPN
ajst-20791	154	1	tao	tao	PROPN
ajst-20791	154	2	et	et	PROPN
ajst-20791	154	3	al	al	PROPN
ajst-20791	154	4	.	.	PROPN
ajst-20791	155	1	accuracy	accuracy	NOUN
ajst-20791	155	2	evaluation	evaluation	NOUN
ajst-20791	155	3	of	of	ADP
ajst-20791	155	4	srtm	srtm	NOUN
ajst-20791	155	5	data	datum	NOUN
ajst-20791	155	6	based	base	VERB
ajst-20791	155	7	on	on	ADP
ajst-20791	155	8	icesat	icesat	ADV
ajst-20791	155	9	/	/	SYM
ajst-20791	155	10	glas	glas	PROPN
ajst-20791	155	11	altimeter	altimeter	PROPN
ajst-20791	155	12	data	data	PROPN
ajst-20791	155	13	:	:	PUNCT
ajst-20791	155	14	a	a	DET
ajst-20791	155	15	case	case	NOUN
ajst-20791	155	16	study	study	NOUN
ajst-20791	155	17	of	of	ADP
ajst-20791	155	18	the	the	DET
ajst-20791	155	19	tibetan	tibetan	PROPN
ajst-20791	155	20	plateau	plateau	NOUN
ajst-20791	156	1	[	[	X
ajst-20791	156	2	j	j	X
ajst-20791	156	3	]	]	X
ajst-20791	156	4	.	.	PUNCT
ajst-20791	157	1	remote	remote	ADJ
ajst-20791	157	2	sensing	sensing	NOUN
ajst-20791	157	3	of	of	ADP
ajst-20791	157	4	land	land	NOUN
ajst-20791	157	5	and	and	CCONJ
ajst-20791	157	6	resources,2015,27(01):100	resources,2015,27(01):100	NOUN
ajst-20791	157	7	-	-	PUNCT
ajst-20791	157	8	105	105	NUM
ajst-20791	157	9	.	.	PUNCT
ajst-20791	157	10	98	98	NUM
ajst-20791	158	1	[	[	SYM
ajst-20791	158	2	5	5	NUM
ajst-20791	158	3	]	]	PUNCT
ajst-20791	158	4	xie	xie	PROPN
ajst-20791	158	5	dongping	dongping	PROPN
ajst-20791	158	6	,	,	PUNCT
ajst-20791	158	7	li	li	PROPN
ajst-20791	158	8	guoyuan	guoyuan	PROPN
ajst-20791	158	9	,	,	PUNCT
ajst-20791	158	10	zhao	zhao	PROPN
ajst-20791	158	11	yanming	yanming	PROPN
ajst-20791	158	12	et	et	PROPN
ajst-20791	158	13	al	al	PROPN
ajst-20791	158	14	.	.	PUNCT
ajst-20791	159	1	gedi	gedi	PROPN
ajst-20791	159	2	space	space	PROPN
ajst-20791	159	3	-	-	PUNCT
ajst-20791	159	4	based	base	VERB
ajst-20791	159	5	laser	laser	NOUN
ajst-20791	159	6	altimeter	altimeter	NOUN
ajst-20791	159	7	system	system	NOUN
ajst-20791	159	8	and	and	CCONJ
ajst-20791	159	9	its	its	PRON
ajst-20791	159	10	application	application	NOUN
ajst-20791	160	1	[	[	X
ajst-20791	160	2	j	j	X
ajst-20791	160	3	]	]	X
ajst-20791	160	4	.	.	PUNCT
ajst-20791	161	1	international	international	ADJ
ajst-20791	161	2	space	space	NOUN
ajst-20791	161	3	science	science	NOUN
ajst-20791	161	4	,	,	PUNCT
ajst-20791	161	5	2018	2018	NUM
ajst-20791	161	6	,	,	PUNCT
ajst-20791	161	7	no.480(12):39	no.480(12):39	PROPN
ajst-20791	161	8	-	-	PUNCT
ajst-20791	161	9	44	44	NUM
ajst-20791	161	10	.	.	PUNCT
ajst-20791	162	1	[	[	X
ajst-20791	162	2	6	6	NUM
ajst-20791	162	3	]	]	PUNCT
ajst-20791	162	4	puliti	puliti	PROPN
ajst-20791	162	5	s	s	PROPN
ajst-20791	162	6	,	,	PUNCT
ajst-20791	162	7	hauglin	hauglin	PROPN
ajst-20791	162	8	m	m	PROPN
ajst-20791	162	9	,	,	PUNCT
ajst-20791	162	10	breidenbach	breidenbach	PROPN
ajst-20791	162	11	j	j	NOUN
ajst-20791	162	12	,	,	PUNCT
ajst-20791	162	13	et	et	NOUN
ajst-20791	162	14	al.modelling	al.modelle	VERB
ajst-20791	162	15	aboveground	aboveground	VERB
ajst-20791	162	16	biomass	biomass	NOUN
ajst-20791	162	17	stock	stock	NOUN
ajst-20791	162	18	over	over	ADP
ajst-20791	162	19	norway	norway	PROPN
ajst-20791	162	20	using	use	VERB
ajst-20791	162	21	national	national	ADJ
ajst-20791	162	22	forest	forest	NOUN
ajst-20791	162	23	inventory	inventory	NOUN
ajst-20791	162	24	data	datum	NOUN
ajst-20791	162	25	with	with	ADP
ajst-20791	162	26	arcticdem	arcticdem	PROPN
ajst-20791	162	27	and	and	CCONJ
ajst-20791	162	28	sentinel-2	sentinel-2	NUM
ajst-20791	162	29	data[j].remote	data[j].remote	VERB
ajst-20791	162	30	sensing	sense	VERB
ajst-20791	162	31	of	of	ADP
ajst-20791	162	32	environment,2020,236:111501	environment,2020,236:111501	PROPN
ajst-20791	162	33	.	.	PUNCT
ajst-20791	163	1	[	[	X
ajst-20791	163	2	7	7	X
ajst-20791	163	3	]	]	PUNCT
ajst-20791	163	4	xie	xie	PROPN
ajst-20791	163	5	dongping	dongping	PROPN
ajst-20791	163	6	,	,	PUNCT
ajst-20791	163	7	li	li	PROPN
ajst-20791	163	8	guoyuan	guoyuan	PROPN
ajst-20791	163	9	,	,	PUNCT
ajst-20791	163	10	wang	wang	PROPN
ajst-20791	163	11	jianmin	jianmin	PROPN
ajst-20791	163	12	,	,	PUNCT
ajst-20791	163	13	et	et	PROPN
ajst-20791	163	14	al	al	PROPN
ajst-20791	163	15	.	.	PUNCT
ajst-20791	163	16	application	application	NOUN
ajst-20791	163	17	prospect	prospect	NOUN
ajst-20791	163	18	of	of	ADP
ajst-20791	163	19	a	a	DET
ajst-20791	163	20	new	new	ADJ
ajst-20791	163	21	laser	laser	NOUN
ajst-20791	163	22	altimeter	altimeter	NOUN
ajst-20791	163	23	satellite	satellite	NOUN
ajst-20791	163	24	icesat-2	icesat-2	PROPN
ajst-20791	163	25	in	in	ADP
ajst-20791	163	26	geoscience	geoscience	NOUN
ajst-20791	164	1	[	[	X
ajst-20791	164	2	j	j	X
ajst-20791	164	3	]	]	X
ajst-20791	164	4	.	.	PUNCT
ajst-20791	165	1	geomatics	geomatics	PROPN
ajst-20791	165	2	and	and	CCONJ
ajst-20791	165	3	spatial	spatial	ADJ
ajst-20791	165	4	geographic	geographic	ADJ
ajst-20791	165	5	information	information	NOUN
ajst-20791	165	6	,	,	PUNCT
ajst-20791	165	7	2019,43(12):38	2019,43(12):38	NUM
ajst-20791	165	8	-	-	SYM
ajst-20791	165	9	42	42	NUM
ajst-20791	165	10	+	+	NOUN
ajst-20791	165	11	45	45	NUM
ajst-20791	165	12	.	.	PUNCT
ajst-20791	166	1	[	[	X
ajst-20791	166	2	8	8	NUM
ajst-20791	166	3	]	]	PUNCT
ajst-20791	166	4	ai	ai	VERB
ajst-20791	166	5	h	h	PROPN
ajst-20791	166	6	,	,	PUNCT
ajst-20791	166	7	kentaro	kentaro	PROPN
ajst-20791	166	8	t	t	PROPN
ajst-20791	166	9	,	,	PUNCT
ajst-20791	166	10	ram	ram	VERB
ajst-20791	166	11	a	a	PRON
ajst-20791	166	12	,	,	PUNCT
ajst-20791	166	13	et	et	NOUN
ajst-20791	166	14	al.synthesis	al.synthesis	NOUN
ajst-20791	166	15	of	of	ADP
ajst-20791	166	16	l	l	NOUN
ajst-20791	166	17	-	-	ADJ
ajst-20791	166	18	band	band	NOUN
ajst-20791	166	19	sar	sar	NOUN
ajst-20791	166	20	and	and	CCONJ
ajst-20791	166	21	forest	forest	NOUN
ajst-20791	166	22	heights	height	NOUN
ajst-20791	166	23	derived	derive	VERB
ajst-20791	166	24	from	from	ADP
ajst-20791	166	25	tandem	tandem	PROPN
ajst-20791	166	26	-	-	PUNCT
ajst-20791	166	27	x	x	SYM
ajst-20791	166	28	dem	dem	NOUN
ajst-20791	166	29	and	and	CCONJ
ajst-20791	166	30	3digital	3digital	NUM
ajst-20791	166	31	terrain	terrain	NOUN
ajst-20791	166	32	model	model	NOUN
ajst-20791	166	33	for	for	ADP
ajst-20791	166	34	biomass	biomass	NOUN
ajst-20791	166	35	mapping[j	mapping[j	NOUN
ajst-20791	166	36	]	]	PUNCT
ajst-20791	166	37	.	.	PUNCT
ajst-20791	167	1	remote	remote	ADJ
ajst-20791	167	2	sensing	sensing	NOUN
ajst-20791	167	3	,	,	PUNCT
ajst-20791	167	4	2020	2020	NUM
ajst-20791	167	5	,	,	PUNCT
ajst-20791	167	6	12:349	12:349	NUM
ajst-20791	168	1	[	[	X
ajst-20791	168	2	9	9	NUM
ajst-20791	168	3	]	]	X
ajst-20791	168	4	ma	ma	PROPN
ajst-20791	168	5	yue	yue	PROPN
ajst-20791	168	6	,	,	PUNCT
ajst-20791	168	7	yang	yang	PROPN
ajst-20791	168	8	fanlin	fanlin	PROPN
ajst-20791	168	9	,	,	PUNCT
ajst-20791	168	10	wang	wang	PROPN
ajst-20791	168	11	mingwei	mingwei	PROPN
ajst-20791	168	12	et	et	PROPN
ajst-20791	168	13	al	al	PROPN
ajst-20791	168	14	.	.	PROPN
ajst-20791	168	15	calculation	calculation	NOUN
ajst-20791	168	16	of	of	ADP
ajst-20791	168	17	elevation	elevation	NOUN
ajst-20791	168	18	change	change	NOUN
ajst-20791	168	19	of	of	ADP
ajst-20791	168	20	greenland	greenland	PROPN
ajst-20791	168	21	ice	ice	NOUN
ajst-20791	168	22	sheet	sheet	NOUN
ajst-20791	168	23	using	use	VERB
ajst-20791	168	24	glas	glas	PROPN
ajst-20791	168	25	laser	laser	NOUN
ajst-20791	168	26	altimeter	altimeter	NOUN
ajst-20791	169	1	[	[	X
ajst-20791	169	2	j	j	X
ajst-20791	169	3	]	]	X
ajst-20791	169	4	.	.	PUNCT
ajst-20791	170	1	infrared	infrared	ADJ
ajst-20791	170	2	and	and	CCONJ
ajst-20791	170	3	laser	laser	NOUN
ajst-20791	170	4	engineering	engineering	NOUN
ajst-20791	170	5	,	,	PUNCT
ajst-20791	170	6	2015	2015	NUM
ajst-20791	170	7	,	,	PUNCT
ajst-20791	170	8	44(12	44(12	NUM
ajst-20791	170	9	):	):	PUNCT
ajst-20791	170	10	3565	3565	NUM
ajst-20791	170	11	-	-	SYM
ajst-20791	170	12	3569	3569	NUM
ajst-20791	170	13	.	.	PUNCT
ajst-20791	171	1	(	(	PUNCT
ajst-20791	171	2	in	in	ADP
ajst-20791	171	3	chinese	chinese	PROPN
ajst-20791	171	4	)	)	PUNCT
ajst-20791	172	1	[	[	X
ajst-20791	172	2	10	10	NUM
ajst-20791	172	3	]	]	X
ajst-20791	172	4	li	li	PROPN
ajst-20791	172	5	guoyuan	guoyuan	PROPN
ajst-20791	172	6	,	,	PUNCT
ajst-20791	172	7	tang	tang	PROPN
ajst-20791	172	8	xinming	xinming	PROPN
ajst-20791	172	9	,	,	PUNCT
ajst-20791	172	10	fan	fan	PROPN
ajst-20791	172	11	wenfeng	wenfeng	PROPN
ajst-20791	172	12	,	,	PUNCT
ajst-20791	172	13	et	et	PROPN
ajst-20791	172	14	al	al	PROPN
ajst-20791	172	15	.	.	PROPN
ajst-20791	173	1	on	on	ADP
ajst-20791	173	2	-	-	PUNCT
ajst-20791	173	3	orbit	orbit	NOUN
ajst-20791	173	4	geometric	geometric	ADJ
ajst-20791	173	5	calibration	calibration	NOUN
ajst-20791	173	6	of	of	ADP
ajst-20791	173	7	satellite	satellite	NOUN
ajst-20791	173	8	laser	laser	NOUN
ajst-20791	173	9	altimeter	altimeter	NOUN
ajst-20791	173	10	using	use	VERB
ajst-20791	173	11	groundbased	groundbase	VERB
ajst-20791	173	12	ir	ir	PROPN
ajst-20791	173	13	detector[j	detector[j	PROPN
ajst-20791	173	14	]	]	PUNCT
ajst-20791	173	15	.	.	PUNCT
ajst-20791	174	1	infrare	infrare	PROPN
ajst-20791	174	2	and	and	CCONJ
ajst-20791	174	3	laser	laser	NOUN
ajst-20791	174	4	engineering	engineering	NOUN
ajst-20791	174	5	,	,	PUNCT
ajst-20791	174	6	2017	2017	NUM
ajst-20791	174	7	,	,	PUNCT
ajst-20791	174	8	46(11	46(11	NUM
ajst-20791	174	9	):	):	PUNCT
ajst-20791	174	10	1117004.(in	1117004.(in	NUM
ajst-20791	174	11	chinese	chinese	NOUN
ajst-20791	174	12	)	)	PUNCT
ajst-20791	175	1	[	[	X
ajst-20791	175	2	11	11	NUM
ajst-20791	175	3	]	]	X
ajst-20791	175	4	zhang	zhang	PROPN
ajst-20791	175	5	congkai	congkai	PROPN
ajst-20791	175	6	,	,	PUNCT
ajst-20791	175	7	yu	yu	PROPN
ajst-20791	175	8	ying	ying	PROPN
ajst-20791	175	9	.	.	PUNCT
ajst-20791	176	1	verification	verification	NOUN
ajst-20791	176	2	of	of	ADP
ajst-20791	176	3	accuracy	accuracy	NOUN
ajst-20791	176	4	of	of	ADP
ajst-20791	176	5	inversion	inversion	NOUN
ajst-20791	176	6	of	of	ADP
ajst-20791	176	7	ground	ground	NOUN
ajst-20791	176	8	elevation	elevation	NOUN
ajst-20791	176	9	and	and	CCONJ
ajst-20791	176	10	vegetation	vegetation	NOUN
ajst-20791	176	11	canopy	canopy	NOUN
ajst-20791	176	12	height	height	NOUN
ajst-20791	176	13	in	in	ADP
ajst-20791	176	14	icesat2	icesat2	PROPN
ajst-20791	176	15	/	/	SYM
ajst-20791	176	16	atlas	atlas	PROPN
ajst-20791	176	17	data	data	PROPN
ajst-20791	177	1	[	[	X
ajst-20791	177	2	j	j	X
ajst-20791	177	3	]	]	X
ajst-20791	177	4	.	.	PUNCT
ajst-20791	178	1	forest	forest	PROPN
ajst-20791	178	2	engineering	engineering	NOUN
ajst-20791	178	3	,	,	PUNCT
ajst-20791	178	4	2019,39(03):1	2019,39(03):1	PROPN
ajst-20791	178	5	-	-	SYM
ajst-20791	178	6	11	11	NUM
ajst-20791	178	7	.	.	PUNCT
ajst-20791	179	1	[	[	X
ajst-20791	179	2	12	12	NUM
ajst-20791	179	3	]	]	X
ajst-20791	179	4	wang	wang	PROPN
ajst-20791	179	5	xianwei	xianwei	PROPN
ajst-20791	179	6	,	,	PUNCT
ajst-20791	179	7	david	david	PROPN
ajst-20791	179	8	m	m	PROPN
ajst-20791	179	9	holland	holland	PROPN
ajst-20791	179	10	,	,	PUNCT
ajst-20791	179	11	gudmundsson	gudmundsson	PROPN
ajst-20791	179	12	g.	g.	PROPN
ajst-20791	179	13	hilmar	hilmar	PROPN
ajst-20791	179	14	,	,	PUNCT
ajst-20791	179	15	et	et	PROPN
ajst-20791	179	16	al	al	PROPN
ajst-20791	179	17	.	.	PROPN
ajst-20791	179	18	accurate	accurate	ADJ
ajst-20791	179	19	coastal	coastal	ADJ
ajst-20791	179	20	dem	dem	ADJ
ajst-20791	179	21	generation	generation	NOUN
ajst-20791	179	22	by	by	ADP
ajst-20791	179	23	merging	merge	VERB
ajst-20791	179	24	aster	aster	NOUN
ajst-20791	179	25	gdem	gdem	NOUN
ajst-20791	179	26	and	and	CCONJ
ajst-20791	179	27	icesat/	icesat/	PRON
ajst-20791	179	28	glas	glas	PROPN
ajst-20791	179	29	data	datum	NOUN
ajst-20791	179	30	over	over	ADP
ajst-20791	179	31	mertz	mertz	PROPN
ajst-20791	179	32	glacier	glacier	PROPN
ajst-20791	179	33	,	,	PUNCT
ajst-20791	179	34	antarctica[j	antarctica[j	PROPN
ajst-20791	179	35	]	]	PUNCT
ajst-20791	179	36	.	.	PUNCT
ajst-20791	180	1	remote	remote	ADJ
ajst-20791	180	2	sensing	sensing	NOUN
ajst-20791	180	3	of	of	ADP
ajst-20791	180	4	environment,2018,206:218230	environment,2018,206:218230	NOUN
ajst-20791	180	5	.	.	PUNCT
ajst-20791	181	1	[	[	X
ajst-20791	181	2	13	13	NUM
ajst-20791	181	3	]	]	X
ajst-20791	181	4	wang	wang	PROPN
ajst-20791	181	5	cheng	cheng	PROPN
ajst-20791	181	6	,	,	PUNCT
ajst-20791	181	7	dong	dong	PROPN
ajst-20791	181	8	pinliang	pinliang	PROPN
ajst-20791	181	9	,	,	PUNCT
ajst-20791	181	10	xi	xi	PROPN
ajst-20791	181	11	xiaohuan	xiaohuan	PROPN
ajst-20791	181	12	,	,	PUNCT
ajst-20791	181	13	el	el	PROPN
ajst-20791	181	14	al.a	al.a	ADJ
ajst-20791	181	15	novel	novel	NOUN
ajst-20791	181	16	model	model	NOUN
ajst-20791	181	17	for	for	ADP
ajst-20791	181	18	terrain	terrain	NOUN
ajst-20791	181	19	slope	slope	NOUN
ajst-20791	181	20	estimation	estimation	NOUN
ajst-20791	181	21	using	use	VERB
ajst-20791	181	22	icesat	icesat	PROPN
ajst-20791	181	23	/	/	SYM
ajst-20791	181	24	glas	gla	NOUN
ajst-20791	181	25	waveform	waveform	VERB
ajst-20791	181	26	data[j].ieee	data[j].ieee	NOUN
ajst-20791	181	27	transactions	transaction	NOUN
ajst-20791	181	28	on	on	ADP
ajst-20791	181	29	geoscience	geoscience	NOUN
ajst-20791	181	30	and	and	CCONJ
ajst-20791	181	31	remote	remote	ADJ
ajst-20791	181	32	sensing,2018,50,1:217	sensing,2018,50,1:217	NOUN
ajst-20791	181	33	-	-	SYM
ajst-20791	181	34	227	227	NUM
ajst-20791	182	1	[	[	X
ajst-20791	182	2	14	14	NUM
ajst-20791	182	3	]	]	PUNCT
ajst-20791	182	4	lamster	lamster	PROPN
ajst-20791	182	5	k	k	PROPN
ajst-20791	182	6	,	,	PUNCT
ajst-20791	182	7	karuss	karuss	PROPN
ajst-20791	182	8	j	j	PROPN
ajst-20791	182	9	,	,	PUNCT
ajst-20791	182	10	krievans	krievan	VERB
ajst-20791	182	11	m	m	PROPN
ajst-20791	182	12	,	,	PUNCT
ajst-20791	182	13	et	et	PROPN
ajst-20791	182	14	al.high	al.high	ADJ
ajst-20791	182	15	-	-	PUNCT
ajst-20791	182	16	resolution	resolution	NOUN
ajst-20791	182	17	orthophoto	orthophoto	NOUN
ajst-20791	182	18	map	map	NOUN
ajst-20791	182	19	and	and	CCONJ
ajst-20791	182	20	digital	digital	ADJ
ajst-20791	182	21	surface	surface	NOUN
ajst-20791	182	22	models	model	NOUN
ajst-20791	182	23	of	of	ADP
ajst-20791	182	24	the	the	DET
ajst-20791	182	25	largest	large	ADJ
ajst-20791	182	26	argentine	argentine	ADJ
ajst-20791	182	27	islands	island	NOUN
ajst-20791	182	28	(	(	PUNCT
ajst-20791	182	29	the	the	DET
ajst-20791	182	30	antarctic	antarctic	NOUN
ajst-20791	182	31	)	)	PUNCT
ajst-20791	182	32	from	from	ADP
ajst-20791	182	33	unmanned	unmanned	ADJ
ajst-20791	182	34	aerial	aerial	ADJ
ajst-20791	182	35	vehicle	vehicle	NOUN
ajst-20791	182	36	photogrammetry[j	photogrammetry[j	NOUN
ajst-20791	182	37	]	]	PUNCT
ajst-20791	182	38	.	.	PUNCT
ajst-20791	183	1	journal	journal	PROPN
ajst-20791	183	2	of	of	ADP
ajst-20791	183	3	maps	map	NOUN
ajst-20791	183	4	,	,	PUNCT
ajst-20791	183	5	2020	2020	NUM
ajst-20791	183	6	,	,	PUNCT
ajst-20791	183	7	16(2):335	16(2):335	NUM
ajst-20791	183	8	-	-	SYM
ajst-20791	183	9	347	347	NUM
ajst-20791	183	10	.	.	PUNCT
ajst-20791	184	1	[	[	X
ajst-20791	184	2	15	15	NUM
ajst-20791	184	3	]	]	X
ajst-20791	184	4	guerra	guerra	NOUN
ajst-20791	184	5	-	-	PUNCT
ajst-20791	184	6	hernández	hernández	PROPN
ajst-20791	184	7	j	j	PROPN
ajst-20791	184	8	,	,	PUNCT
ajst-20791	184	9	pascual	pascual	ADJ
ajst-20791	184	10	a	a	DET
ajst-20791	184	11	.using	.use	VERB
ajst-20791	184	12	gedi	gedi	PROPN
ajst-20791	184	13	lidar	lidar	NOUN
ajst-20791	184	14	data	datum	NOUN
ajst-20791	184	15	and	and	CCONJ
ajst-20791	184	16	airborne	airborne	ADJ
ajst-20791	184	17	laser	laser	NOUN
ajst-20791	184	18	scanning	scanning	NOUN
ajst-20791	184	19	to	to	PART
ajst-20791	184	20	assess	assess	VERB
ajst-20791	184	21	height	height	NOUN
ajst-20791	184	22	growth	growth	NOUN
ajst-20791	184	23	dynamics	dynamic	NOUN
ajst-20791	184	24	in	in	ADP
ajst-20791	184	25	fast	fast	ADV
ajst-20791	184	26	-	-	PUNCT
ajst-20791	184	27	growing	grow	VERB
ajst-20791	184	28	species	specie	NOUN
ajst-20791	184	29	:	:	PUNCT
ajst-20791	184	30	a	a	DET
ajst-20791	184	31	showcase	showcase	NOUN
ajst-20791	184	32	in	in	ADP
ajst-20791	184	33	spain[j].forest	spain[j].forest	PROPN
ajst-20791	184	34	ecosystems,2021,8(01):182	ecosystems,2021,8(01):182	PROPN
ajst-20791	184	35	-	-	PUNCT
ajst-20791	184	36	198	198	NUM
ajst-20791	184	37	.	.	PUNCT
ajst-20791	185	1	[	[	X
ajst-20791	185	2	16	16	NUM
ajst-20791	185	3	]	]	X
ajst-20791	185	4	chen	chen	PROPN
ajst-20791	185	5	guodong	guodong	PROPN
ajst-20791	185	6	,	,	PUNCT
ajst-20791	185	7	zhang	zhang	PROPN
ajst-20791	185	8	shengjun	shengjun	PROPN
ajst-20791	185	9	.	.	PUNCT
ajst-20791	186	1	determination	determination	NOUN
ajst-20791	186	2	of	of	ADP
ajst-20791	186	3	elevation	elevation	NOUN
ajst-20791	186	4	and	and	CCONJ
ajst-20791	186	5	volume	volume	NOUN
ajst-20791	186	6	change	change	NOUN
ajst-20791	186	7	of	of	ADP
ajst-20791	186	8	greenland	greenland	PROPN
ajst-20791	186	9	ice	ice	NOUN
ajst-20791	186	10	sheet	sheet	NOUN
ajst-20791	186	11	using	use	VERB
ajst-20791	186	12	icesat	icesat	ADJ
ajst-20791	186	13	data	datum	NOUN
ajst-20791	187	1	[	[	X
ajst-20791	187	2	j	j	X
ajst-20791	187	3	]	]	X
ajst-20791	187	4	.	.	PUNCT
ajst-20791	188	1	chinese	chinese	ADJ
ajst-20791	188	2	journal	journal	PROPN
ajst-20791	188	3	of	of	ADP
ajst-20791	188	4	geophysics,2019,62(07):2417	geophysics,2019,62(07):2417	PROPN
ajst-20791	188	5	-	-	NOUN
ajst-20791	188	6	2428	2428	NUM
ajst-20791	188	7	.	.	PUNCT
ajst-20791	189	1	[	[	X
ajst-20791	189	2	17	17	NUM
ajst-20791	189	3	]	]	PUNCT
ajst-20791	189	4	yuan	yuan	PROPN
ajst-20791	189	5	huihui	huihui	PROPN
ajst-20791	189	6	,	,	PUNCT
ajst-20791	189	7	nie	nie	PROPN
ajst-20791	189	8	sheng	sheng	PROPN
ajst-20791	189	9	,	,	PUNCT
ajst-20791	189	10	zhang	zhang	PROPN
ajst-20791	189	11	hebing	hebe	VERB
ajst-20791	189	12	et	et	PROPN
ajst-20791	189	13	al	al	PROPN
ajst-20791	189	14	.	.	PROPN
ajst-20791	189	15	accuracy	accuracy	NOUN
ajst-20791	189	16	evaluation	evaluation	NOUN
ajst-20791	189	17	and	and	CCONJ
ajst-20791	189	18	impact	impact	NOUN
ajst-20791	189	19	analysis	analysis	NOUN
ajst-20791	189	20	of	of	ADP
ajst-20791	189	21	gedi	gedi	PROPN
ajst-20791	189	22	ground	ground	NOUN
ajst-20791	189	23	elevation	elevation	NOUN
ajst-20791	189	24	and	and	CCONJ
ajst-20791	189	25	forest	forest	NOUN
ajst-20791	189	26	canopy	canopy	NOUN
ajst-20791	189	27	height	height	NOUN
ajst-20791	190	1	[	[	X
ajst-20791	190	2	j	j	X
ajst-20791	190	3	]	]	X
ajst-20791	190	4	.	.	PUNCT
ajst-20791	191	1	remote	remote	ADJ
ajst-20791	191	2	sensing	sense	VERB
ajst-20791	191	3	technology	technology	NOUN
ajst-20791	191	4	and	and	CCONJ
ajst-20791	191	5	application,202,37(05):1056	application,202,37(05):1056	PROPN
ajst-20791	191	6	-	-	PUNCT
ajst-20791	191	7	1070	1070	NUM
ajst-20791	191	8	.	.	PUNCT
ajst-20791	192	1	(	(	PUNCT
ajst-20791	192	2	in	in	ADP
ajst-20791	192	3	chinese	chinese	PROPN
ajst-20791	192	4	)	)	PUNCT
ajst-20791	193	1	[	[	X
ajst-20791	193	2	18	18	NUM
ajst-20791	193	3	]	]	X
ajst-20791	193	4	liu	liu	PROPN
ajst-20791	193	5	lijuan	lijuan	PROPN
ajst-20791	193	6	,	,	PUNCT
ajst-20791	193	7	wang	wang	PROPN
ajst-20791	193	8	cheng	cheng	PROPN
ajst-20791	193	9	,	,	PUNCT
ajst-20791	193	10	nie	nie	PROPN
ajst-20791	193	11	sheng	sheng	PROPN
ajst-20791	193	12	et	et	PROPN
ajst-20791	193	13	al	al	PROPN
ajst-20791	193	14	.	.	PROPN
ajst-20791	193	15	analysis	analysis	NOUN
ajst-20791	193	16	of	of	ADP
ajst-20791	193	17	effects	effect	NOUN
ajst-20791	193	18	of	of	ADP
ajst-20791	193	19	different	different	ADJ
ajst-20791	193	20	gedi	gedi	PROPN
ajst-20791	193	21	l2a	l2a	PUNCT
ajst-20791	193	22	algorithms	algorithm	NOUN
ajst-20791	193	23	on	on	ADP
ajst-20791	193	24	ground	ground	NOUN
ajst-20791	193	25	elevation	elevation	NOUN
ajst-20791	193	26	and	and	CCONJ
ajst-20791	193	27	forest	forest	NOUN
ajst-20791	193	28	canopy	canopy	NOUN
ajst-20791	193	29	height	height	NOUN
ajst-20791	193	30	accuracy	accuracy	NOUN
ajst-20791	194	1	[	[	X
ajst-20791	194	2	j	j	X
ajst-20791	194	3	]	]	X
ajst-20791	194	4	.	.	PUNCT
ajst-20791	195	1	journal	journal	PROPN
ajst-20791	195	2	of	of	ADP
ajst-20791	195	3	university	university	PROPN
ajst-20791	195	4	of	of	ADP
ajst-20791	195	5	chinese	chinese	PROPN
ajst-20791	195	6	academy	academy	PROPN
ajst-20791	195	7	of	of	ADP
ajst-20791	195	8	sciences	sciences	PROPN
ajst-20791	195	9	,	,	PUNCT
ajst-20791	195	10	2019,39(04):502	2019,39(04):502	NUM
ajst-20791	195	11	-	-	SYM
ajst-20791	195	12	511	511	NUM
ajst-20791	195	13	.	.	PUNCT
ajst-20791	196	1	[	[	X
ajst-20791	196	2	19	19	NUM
ajst-20791	196	3	]	]	X
ajst-20791	196	4	huang	huang	PROPN
ajst-20791	196	5	jiapeng	jiapeng	PROPN
ajst-20791	196	6	,	,	PUNCT
ajst-20791	196	7	xing	xing	PROPN
ajst-20791	196	8	yanqiu	yanqiu	PROPN
ajst-20791	196	9	,	,	PUNCT
ajst-20791	196	10	qin	qin	PROPN
ajst-20791	196	11	lei	lei	PROPN
ajst-20791	196	12	et	et	PROPN
ajst-20791	196	13	al	al	PROPN
ajst-20791	196	14	.	.	PROPN
ajst-20791	196	15	accuracy	accuracy	NOUN
ajst-20791	196	16	verification	verification	NOUN
ajst-20791	196	17	of	of	ADP
ajst-20791	196	18	icesat-2	icesat-2	PROPN
ajst-20791	196	19	/	/	SYM
ajst-20791	196	20	atlas	atlas	PROPN
ajst-20791	196	21	data	data	PROPN
ajst-20791	196	22	inversion	inversion	NOUN
ajst-20791	196	23	of	of	ADP
ajst-20791	196	24	understory	understory	ADJ
ajst-20791	196	25	topography	topography	NOUN
ajst-20791	196	26	[	[	X
ajst-20791	196	27	j	j	X
ajst-20791	196	28	]	]	X
ajst-20791	196	29	.	.	PUNCT
ajst-20791	197	1	infrared	infrared	ADJ
ajst-20791	197	2	and	and	CCONJ
ajst-20791	197	3	laser	laser	PROPN
ajst-20791	197	4	engineering	engineering	NOUN
ajst-20791	197	5	,	,	PUNCT
ajst-20791	197	6	2020	2020	NUM
ajst-20791	197	7	,	,	PUNCT
ajst-20791	197	8	49(11):122	49(11):122	NUM
ajst-20791	197	9	-	-	SYM
ajst-20791	197	10	131	131	NUM
ajst-20791	197	11	.	.	PUNCT
ajst-20791	198	1	(	(	PUNCT
ajst-20791	198	2	in	in	ADP
ajst-20791	198	3	chinese	chinese	PROPN
ajst-20791	198	4	)	)	PUNCT
ajst-20791	199	1	[	[	X
ajst-20791	199	2	20	20	NUM
ajst-20791	199	3	]	]	X
ajst-20791	199	4	huang	huang	PROPN
ajst-20791	199	5	jiapeng	jiapeng	PROPN
ajst-20791	199	6	,	,	PUNCT
ajst-20791	199	7	xing	xing	PROPN
ajst-20791	199	8	yanqiu	yanqiu	PROPN
ajst-20791	199	9	,	,	PUNCT
ajst-20791	199	10	qin	qin	PROPN
ajst-20791	199	11	lei	lei	PROPN
ajst-20791	199	12	et	et	PROPN
ajst-20791	199	13	al	al	PROPN
ajst-20791	199	14	.	.	PROPN
ajst-20791	199	15	research	research	NOUN
ajst-20791	199	16	on	on	ADP
ajst-20791	199	17	the	the	DET
ajst-20791	199	18	accuracy	accuracy	NOUN
ajst-20791	199	19	of	of	ADP
ajst-20791	199	20	photon	photon	NOUN
ajst-20791	199	21	cloud	cloud	NOUN
ajst-20791	199	22	denoising	denoise	VERB
ajst-20791	199	23	algorithm	algorithm	NOUN
ajst-20791	199	24	in	in	ADP
ajst-20791	199	25	forest	forest	NOUN
ajst-20791	199	26	area	area	NOUN
ajst-20791	199	27	under	under	ADP
ajst-20791	199	28	weak	weak	ADJ
ajst-20791	199	29	beam	beam	NOUN
ajst-20791	199	30	conditions	condition	NOUN
ajst-20791	200	1	[	[	X
ajst-20791	200	2	j	j	X
ajst-20791	200	3	]	]	X
ajst-20791	200	4	.	.	PUNCT
ajst-20791	201	1	transactions	transaction	NOUN
ajst-20791	201	2	of	of	ADP
ajst-20791	201	3	the	the	DET
ajst-20791	201	4	chinese	chinese	ADJ
ajst-20791	201	5	society	society	NOUN
ajst-20791	201	6	for	for	ADP
ajst-20791	201	7	agricultural	agricultural	ADJ
ajst-20791	201	8	machinery	machinery	NOUN
ajst-20791	201	9	,	,	PUNCT
ajst-20791	201	10	2019,51(04):164	2019,51(04):164	NOUN
ajst-20791	201	11	-	-	SYM
ajst-20791	201	12	172	172	NUM
ajst-20791	201	13	.	.	PUNCT
ajst-20791	202	1	[	[	X
ajst-20791	202	2	21	21	NUM
ajst-20791	202	3	]	]	X
ajst-20791	202	4	zhu	zhu	PROPN
ajst-20791	202	5	jun	jun	PROPN
ajst-20791	202	6	,	,	PUNCT
ajst-20791	202	7	yang	yang	PROPN
ajst-20791	202	8	panfeng	panfeng	PROPN
ajst-20791	202	9	,	,	PUNCT
ajst-20791	202	10	li	li	PROPN
ajst-20791	202	11	yi	yi	PROPN
ajst-20791	202	12	,	,	PUNCT
ajst-20791	202	13	et	et	PROPN
ajst-20791	202	14	al	al	PROPN
ajst-20791	202	15	.	.	PROPN
ajst-20791	202	16	accuracy	accuracy	NOUN
ajst-20791	202	17	verification	verification	NOUN
ajst-20791	202	18	of	of	ADP
ajst-20791	202	19	icesat-2	icesat-2	NUM
ajst-20791	202	20	atl08	atl08	ADJ
ajst-20791	202	21	terrain	terrain	NOUN
ajst-20791	202	22	products	product	NOUN
ajst-20791	202	23	:	:	PUNCT
ajst-20791	202	24	a	a	DET
ajst-20791	202	25	case	case	NOUN
ajst-20791	202	26	study	study	NOUN
ajst-20791	202	27	of	of	ADP
ajst-20791	202	28	spain	spain	PROPN
ajst-20791	203	1	[	[	X
ajst-20791	203	2	j	j	X
ajst-20791	203	3	]	]	X
ajst-20791	203	4	.	.	PUNCT
ajst-20791	204	1	journal	journal	PROPN
ajst-20791	204	2	of	of	ADP
ajst-20791	204	3	central	central	PROPN
ajst-20791	204	4	south	south	PROPN
ajst-20791	204	5	university,2022,29(01):226	university,2022,29(01):226	PROPN
ajst-20791	204	6	-	-	PUNCT
ajst-20791	204	7	238	238	NUM
ajst-20791	204	8	.	.	PUNCT
ajst-20791	205	1	[	[	X
ajst-20791	205	2	22	22	NUM
ajst-20791	205	3	]	]	PUNCT
ajst-20791	205	4	pang	pang	NOUN
ajst-20791	205	5	shujian	shujian	NOUN
ajst-20791	205	6	,	,	PUNCT
ajst-20791	205	7	ke	ke	PROPN
ajst-20791	205	8	changqing	changqing	PROPN
ajst-20791	205	9	,	,	PUNCT
ajst-20791	205	10	zhou	zhou	PROPN
ajst-20791	205	11	xinghua	xinghua	PROPN
ajst-20791	205	12	et	et	PROPN
ajst-20791	205	13	al	al	PROPN
ajst-20791	205	14	.	.	PUNCT
ajst-20791	205	15	change	change	NOUN
ajst-20791	205	16	of	of	ADP
ajst-20791	205	17	glacier	glacier	PROPN
ajst-20791	205	18	mass	mass	NOUN
ajst-20791	205	19	balance	balance	NOUN
ajst-20791	205	20	in	in	ADP
ajst-20791	205	21	malan	malan	PROPN
ajst-20791	205	22	mountain	mountain	NOUN
ajst-20791	205	23	by	by	ADP
ajst-20791	205	24	insar	insar	ADJ
ajst-20791	205	25	and	and	CCONJ
ajst-20791	205	26	lidar	lidar	NOUN
ajst-20791	205	27	altiometry	altiometry	NOUN
ajst-20791	205	28	[	[	X
ajst-20791	205	29	j	j	X
ajst-20791	205	30	]	]	X
ajst-20791	205	31	.	.	PUNCT
ajst-20791	206	1	journal	journal	PROPN
ajst-20791	206	2	of	of	ADP
ajst-20791	206	3	remote	remote	ADJ
ajst-20791	206	4	sensing	sensing	NOUN
ajst-20791	206	5	,	,	PUNCT
ajst-20791	206	6	2019,26(10):20942105	2019,26(10):20942105	NUM
ajst-20791	206	7	.	.	PUNCT
ajst-20791	207	1	[	[	X
ajst-20791	207	2	23	23	NUM
ajst-20791	207	3	]	]	X
ajst-20791	207	4	krainak	krainak	NOUN
ajst-20791	207	5	m	m	VERB
ajst-20791	207	6	a	a	NOUN
ajst-20791	207	7	,	,	PUNCT
ajst-20791	207	8	abshire	abshire	ADJ
ajst-20791	207	9	j	j	PROPN
ajst-20791	207	10	b	b	PROPN
ajst-20791	207	11	,	,	PUNCT
ajst-20791	207	12	camp	camp	PROPN
ajst-20791	207	13	j	j	PROPN
ajst-20791	207	14	,	,	PUNCT
ajst-20791	207	15	et	et	PROPN
ajst-20791	207	16	al	al	PROPN
ajst-20791	207	17	.	.	PUNCT
ajst-20791	208	1	laser	laser	NOUN
ajst-20791	208	2	transceivers	transceiver	NOUN
ajst-20791	208	3	for	for	ADP
ajst-20791	208	4	future	future	ADJ
ajst-20791	208	5	nasa	nasa	PROPN
ajst-20791	208	6	missions[j	missions[j	PROPN
ajst-20791	208	7	]	]	PUNCT
ajst-20791	208	8	.	.	PUNCT
ajst-20791	209	1	proceedings	proceeding	NOUN
ajst-20791	209	2	of	of	ADP
ajst-20791	209	3	spie	spie	VERB
ajst-20791	209	4	the	the	DET
ajst-20791	209	5	international	international	ADJ
ajst-20791	209	6	society	society	NOUN
ajst-20791	209	7	for	for	ADP
ajst-20791	209	8	optical	optical	ADJ
ajst-20791	209	9	engineerin	engineerin	NOUN
ajst-20791	209	10	,	,	PUNCT
ajst-20791	209	11	2012	2012	NUM
ajst-20791	209	12	,	,	PUNCT
ajst-20791	209	13	8381(8	8381(8	NUM
ajst-20791	209	14	):	):	PUNCT
ajst-20791	209	15	112	112	NUM
ajst-20791	209	16	.	.	PUNCT
ajst-20791	210	1	[	[	X
ajst-20791	210	2	24	24	NUM
ajst-20791	210	3	]	]	PUNCT
ajst-20791	210	4	yu	yu	PROPN
ajst-20791	210	5	a	a	DET
ajst-20791	210	6	w	w	PROPN
ajst-20791	210	7	,	,	PUNCT
ajst-20791	210	8	krainak	krainak	NOUN
ajst-20791	210	9	m	m	PROPN
ajst-20791	210	10	a	a	NOUN
ajst-20791	210	11	,	,	PUNCT
ajst-20791	210	12	harding	harding	PROPN
ajst-20791	210	13	d	d	PROPN
ajst-20791	210	14	j	j	PROPN
ajst-20791	210	15	,	,	PUNCT
ajst-20791	210	16	et	et	PROPN
ajst-20791	210	17	al	al	PROPN
ajst-20791	210	18	.	.	PUNCT
ajst-20791	211	1	development	development	NOUN
ajst-20791	211	2	effort	effort	NOUN
ajst-20791	211	3	of	of	ADP
ajst-20791	211	4	the	the	DET
ajst-20791	211	5	airborne	airborne	ADJ
ajst-20791	211	6	lidar	lidar	NOUN
ajst-20791	211	7	simulator	simulator	NOUN
ajst-20791	211	8	for	for	ADP
ajst-20791	211	9	the	the	DET
ajst-20791	211	10	lidar	lidar	NOUN
ajst-20791	211	11	surface	surface	NOUN
ajst-20791	211	12	topography	topography	NOUN
ajst-20791	211	13	(	(	PUNCT
ajst-20791	211	14	list	list	NOUN
ajst-20791	211	15	)	)	PUNCT
ajst-20791	211	16	mission[c	mission[c	PROPN
ajst-20791	211	17	]	]	PUNCT
ajst-20791	211	18	.	.	PUNCT
ajst-20791	212	1	2011	2011	NUM
ajst-20791	212	2	:	:	PUNCT
ajst-20791	212	3	8182	8182	NUM
ajst-20791	212	4	-	-	SYM
ajst-20791	212	5	8182	8182	NUM
ajst-20791	212	6	.	.	PUNCT