id	sid	tid	token	lemma	pos
gi-4778	1	1	an	an	DET
gi-4778	1	2	alternative	alternative	ADJ
gi-4778	1	3	choice	choice	NOUN
gi-4778	1	4	in	in	ADP
gi-4778	1	5	heighting	heighte	VERB
gi-4778	1	6	an	an	DET
gi-4778	1	7	alternative	alternative	ADJ
gi-4778	1	8	choice	choice	NOUN
gi-4778	1	9	in	in	ADP
gi-4778	1	10	heighting	heighting	PROPN
gi-4778	1	11	o.	o.	PROPN
gi-4778	1	12	g.	g.	PROPN
gi-4778	1	13	omogunloye∗	omogunloye∗	PROPN
gi-4778	1	14	,	,	PUNCT
gi-4778	1	15	m.	m.	NOUN
gi-4778	1	16	o.	o.	PROPN
gi-4778	1	17	yaqub	yaqub	PROPN
gi-4778	1	18	,	,	PUNCT
gi-4778	1	19	b.	b.	PROPN
gi-4778	1	20	m.	m.	PROPN
gi-4778	1	21	ojegbile	ojegbile	PROPN
gi-4778	1	22	,	,	PUNCT
gi-4778	1	23	j.	j.	PROPN
gi-4778	1	24	o.	o.	PROPN
gi-4778	1	25	odumosu	odumosu	VERB
gi-4778	1	26	and	and	CCONJ
gi-4778	1	27	o.	o.	PROPN
gi-4778	1	28	g.	g.	PROPN
gi-4778	1	29	ajayi	ajayi	PROPN
gi-4778	1	30	university	university	PROPN
gi-4778	1	31	of	of	ADP
gi-4778	1	32	lagos	lagos	PROPN
gi-4778	1	33	,	,	PUNCT
gi-4778	1	34	nigeria	nigeria	PROPN
gi-4778	1	35	,	,	PUNCT
gi-4778	1	36	surveying	surveying	NOUN
gi-4778	1	37	and	and	CCONJ
gi-4778	1	38	geoinformatics	geoinformatic	NOUN
gi-4778	1	39	∗corresponding	∗corresponde	VERB
gi-4778	1	40	author	author	NOUN
gi-4778	1	41	:	:	PUNCT
gi-4778	1	42	oomogunloye@unilag.edu.ng	oomogunloye@unilag.edu.ng	NOUN
gi-4778	1	43	abstract	abstract	ADJ
gi-4778	1	44	.	.	PUNCT
gi-4778	2	1	comparison	comparison	NOUN
gi-4778	2	2	of	of	ADP
gi-4778	2	3	orthometric	orthometric	ADJ
gi-4778	2	4	heights	height	NOUN
gi-4778	2	5	obtained	obtain	VERB
gi-4778	2	6	from	from	ADP
gi-4778	2	7	the	the	DET
gi-4778	2	8	combination	combination	NOUN
gi-4778	2	9	of	of	ADP
gi-4778	2	10	gps	gps	NOUN
gi-4778	2	11	/	/	SYM
gi-4778	2	12	levelling	levelling	NOUN
gi-4778	2	13	survey	survey	NOUN
gi-4778	2	14	method	method	NOUN
gi-4778	2	15	with	with	ADP
gi-4778	2	16	that	that	PRON
gi-4778	2	17	obtained	obtain	VERB
gi-4778	2	18	from	from	ADP
gi-4778	2	19	light	light	ADJ
gi-4778	2	20	detection	detection	NOUN
gi-4778	2	21	ranging	range	VERB
gi-4778	2	22	(	(	PUNCT
gi-4778	2	23	lidar	lidar	NOUN
gi-4778	2	24	)	)	PUNCT
gi-4778	2	25	,	,	PUNCT
gi-4778	2	26	shuttle	shuttle	NOUN
gi-4778	2	27	radar	radar	NOUN
gi-4778	2	28	topography	topography	NOUN
gi-4778	2	29	mission	mission	NOUN
gi-4778	2	30	(	(	PUNCT
gi-4778	2	31	srtm	srtm	NOUN
gi-4778	2	32	)	)	PUNCT
gi-4778	2	33	,	,	PUNCT
gi-4778	2	34	and	and	CCONJ
gi-4778	2	35	advanced	advanced	ADJ
gi-4778	2	36	spaceborne	spaceborne	ADJ
gi-4778	2	37	thermal	thermal	ADJ
gi-4778	2	38	emission	emission	NOUN
gi-4778	2	39	and	and	CCONJ
gi-4778	2	40	reflection	reflection	NOUN
gi-4778	2	41	radiometer	radiometer	NOUN
gi-4778	2	42	(	(	PUNCT
gi-4778	2	43	aster	aster	NOUN
gi-4778	2	44	gdem	gdem	PROPN
gi-4778	2	45	)	)	PUNCT
gi-4778	2	46	data	datum	NOUN
gi-4778	2	47	is	be	AUX
gi-4778	2	48	an	an	DET
gi-4778	2	49	area	area	NOUN
gi-4778	2	50	of	of	ADP
gi-4778	2	51	research	research	NOUN
gi-4778	2	52	which	which	PRON
gi-4778	2	53	is	be	AUX
gi-4778	2	54	of	of	ADP
gi-4778	2	55	great	great	ADJ
gi-4778	2	56	interest	interest	NOUN
gi-4778	2	57	to	to	ADP
gi-4778	2	58	geomaticians	geomatician	NOUN
gi-4778	2	59	.	.	PUNCT
gi-4778	3	1	this	this	DET
gi-4778	3	2	area	area	NOUN
gi-4778	3	3	of	of	ADP
gi-4778	3	4	research	research	NOUN
gi-4778	3	5	makes	make	VERB
gi-4778	3	6	possible	possible	ADJ
gi-4778	3	7	the	the	DET
gi-4778	3	8	discovery	discovery	NOUN
gi-4778	3	9	of	of	ADP
gi-4778	3	10	other	other	ADJ
gi-4778	3	11	suitable	suitable	ADJ
gi-4778	3	12	methods	method	NOUN
gi-4778	3	13	of	of	ADP
gi-4778	3	14	determining	determine	VERB
gi-4778	3	15	orthometric	orthometric	ADJ
gi-4778	3	16	height	height	NOUN
gi-4778	3	17	which	which	PRON
gi-4778	3	18	can	can	AUX
gi-4778	3	19	be	be	AUX
gi-4778	3	20	selected	select	VERB
gi-4778	3	21	for	for	ADP
gi-4778	3	22	use	use	NOUN
gi-4778	3	23	,	,	PUNCT
gi-4778	3	24	depending	depend	VERB
gi-4778	3	25	on	on	ADP
gi-4778	3	26	the	the	DET
gi-4778	3	27	region	region	NOUN
gi-4778	3	28	,	,	PUNCT
gi-4778	3	29	extent	extent	NOUN
gi-4778	3	30	and	and	CCONJ
gi-4778	3	31	nature	nature	NOUN
gi-4778	3	32	of	of	ADP
gi-4778	3	33	the	the	DET
gi-4778	3	34	terrain	terrain	NOUN
gi-4778	3	35	where	where	SCONJ
gi-4778	3	36	the	the	DET
gi-4778	3	37	project	project	NOUN
gi-4778	3	38	is	be	AUX
gi-4778	3	39	to	to	PART
gi-4778	3	40	be	be	AUX
gi-4778	3	41	executed	execute	VERB
gi-4778	3	42	.	.	PUNCT
gi-4778	4	1	the	the	DET
gi-4778	4	2	x	x	PROPN
gi-4778	4	3	,	,	PUNCT
gi-4778	4	4	y	y	PROPN
gi-4778	4	5	,	,	PUNCT
gi-4778	4	6	z	z	NOUN
gi-4778	4	7	coordinates	coordinate	NOUN
gi-4778	4	8	and	and	CCONJ
gi-4778	4	9	the	the	DET
gi-4778	4	10	geoidal	geoidal	ADJ
gi-4778	4	11	heights	height	NOUN
gi-4778	4	12	for	for	ADP
gi-4778	4	13	all	all	DET
gi-4778	4	14	the	the	DET
gi-4778	4	15	existing	exist	VERB
gi-4778	4	16	controls	control	NOUN
gi-4778	4	17	within	within	ADP
gi-4778	4	18	university	university	NOUN
gi-4778	4	19	of	of	ADP
gi-4778	4	20	lagos	lago	NOUN
gi-4778	4	21	were	be	AUX
gi-4778	4	22	determined	determine	VERB
gi-4778	4	23	using	use	VERB
gi-4778	4	24	the	the	DET
gi-4778	4	25	gps/	gps/	ADJ
gi-4778	4	26	levelling	levelling	NOUN
gi-4778	4	27	survey	survey	NOUN
gi-4778	4	28	method	method	NOUN
gi-4778	4	29	,	,	PUNCT
gi-4778	4	30	the	the	DET
gi-4778	4	31	required	require	VERB
gi-4778	4	32	orthometric	orthometric	ADJ
gi-4778	4	33	height	height	NOUN
gi-4778	4	34	(	(	PUNCT
gi-4778	4	35	h	h	NOUN
gi-4778	4	36	)	)	PUNCT
gi-4778	4	37	was	be	AUX
gi-4778	4	38	then	then	ADV
gi-4778	4	39	obtained	obtain	VERB
gi-4778	4	40	as	as	ADP
gi-4778	4	41	the	the	DET
gi-4778	4	42	differences	difference	NOUN
gi-4778	4	43	between	between	ADP
gi-4778	4	44	ellipsoidal	ellipsoidal	ADJ
gi-4778	4	45	and	and	CCONJ
gi-4778	4	46	geoidal	geoidal	ADJ
gi-4778	4	47	heights	height	NOUN
gi-4778	4	48	.	.	PUNCT
gi-4778	5	1	extracting	extract	VERB
gi-4778	5	2	orthometric	orthometric	ADJ
gi-4778	5	3	heights	height	NOUN
gi-4778	5	4	for	for	ADP
gi-4778	5	5	the	the	DET
gi-4778	5	6	x	x	X
gi-4778	5	7	and	and	CCONJ
gi-4778	5	8	y	y	PROPN
gi-4778	5	9	coordinates	coordinate	NOUN
gi-4778	5	10	of	of	ADP
gi-4778	5	11	observed	observed	ADJ
gi-4778	5	12	control	control	NOUN
gi-4778	5	13	points	point	NOUN
gi-4778	5	14	,	,	PUNCT
gi-4778	5	15	overlaid	overlay	VERB
gi-4778	5	16	on	on	ADP
gi-4778	5	17	each	each	PRON
gi-4778	5	18	of	of	ADP
gi-4778	5	19	lidar	lidar	NOUN
gi-4778	5	20	,	,	PUNCT
gi-4778	5	21	srtm	srtm	NOUN
gi-4778	5	22	and	and	CCONJ
gi-4778	5	23	aster	aster	NOUN
gi-4778	5	24	gdem	gdem	PROPN
gi-4778	5	25	,	,	PUNCT
gi-4778	5	26	required	require	VERB
gi-4778	5	27	the	the	DET
gi-4778	5	28	use	use	NOUN
gi-4778	5	29	of	of	ADP
gi-4778	5	30	spatial	spatial	ADJ
gi-4778	5	31	analysis	analysis	NOUN
gi-4778	5	32	tool	tool	NOUN
gi-4778	5	33	in	in	ADP
gi-4778	5	34	an	an	DET
gi-4778	5	35	arcmap	arcmap	PROPN
gi-4778	5	36	environment	environment	NOUN
gi-4778	5	37	.	.	PUNCT
gi-4778	6	1	from	from	ADP
gi-4778	6	2	the	the	DET
gi-4778	6	3	profile	profile	NOUN
gi-4778	6	4	plot	plot	NOUN
gi-4778	6	5	(	(	PUNCT
gi-4778	6	6	figure	figure	NOUN
gi-4778	6	7	8)	8)	NUM
gi-4778	6	8	of	of	ADP
gi-4778	6	9	all	all	DET
gi-4778	6	10	the	the	DET
gi-4778	6	11	orthometric	orthometric	ADJ
gi-4778	6	12	heights	height	NOUN
gi-4778	6	13	,	,	PUNCT
gi-4778	6	14	the	the	DET
gi-4778	6	15	heights	height	NOUN
gi-4778	6	16	relationship	relationship	NOUN
gi-4778	6	17	was	be	AUX
gi-4778	6	18	easily	easily	ADV
gi-4778	6	19	established	establish	VERB
gi-4778	6	20	.	.	PUNCT
gi-4778	7	1	from	from	ADP
gi-4778	7	2	the	the	DET
gi-4778	7	3	descriptive	descriptive	ADJ
gi-4778	7	4	statistics	statistic	NOUN
gi-4778	7	5	test	test	NOUN
gi-4778	7	6	(	(	PUNCT
gi-4778	7	7	table	table	NOUN
gi-4778	7	8	4	4	NUM
gi-4778	7	9	)	)	PUNCT
gi-4778	7	10	,	,	PUNCT
gi-4778	7	11	the	the	DET
gi-4778	7	12	one	one	NUM
gi-4778	7	13	way	way	NOUN
gi-4778	7	14	anova	anova	PROPN
gi-4778	7	15	test	test	VERB
gi-4778	7	16	at	at	ADP
gi-4778	7	17	1	1	NUM
gi-4778	7	18	%	%	NOUN
gi-4778	7	19	and	and	CCONJ
gi-4778	7	20	5	5	NUM
gi-4778	7	21	%	%	NOUN
gi-4778	7	22	level	level	NOUN
gi-4778	7	23	of	of	ADP
gi-4778	7	24	significance	significance	NOUN
gi-4778	7	25	(	(	PUNCT
gi-4778	7	26	table	table	NOUN
gi-4778	7	27	7	7	NUM
gi-4778	7	28	)	)	PUNCT
gi-4778	7	29	,	,	PUNCT
gi-4778	7	30	the	the	DET
gi-4778	7	31	number	number	NOUN
gi-4778	7	32	of	of	ADP
gi-4778	7	33	points	point	NOUN
gi-4778	7	34	in	in	ADP
gi-4778	7	35	other	other	ADJ
gi-4778	7	36	methods	method	NOUN
gi-4778	7	37	whose	whose	DET
gi-4778	7	38	orthometric	orthometric	ADJ
gi-4778	7	39	height	height	NOUN
gi-4778	7	40	is	be	AUX
gi-4778	7	41	closed	close	VERB
gi-4778	7	42	to	to	ADP
gi-4778	7	43	that	that	PRON
gi-4778	7	44	of	of	ADP
gi-4778	7	45	levelling	levelling	NOUN
gi-4778	7	46	/	/	SYM
gi-4778	7	47	gps	gps	PROPN
gi-4778	7	48	method	method	NOUN
gi-4778	7	49	(	(	PUNCT
gi-4778	7	50	table	table	NOUN
gi-4778	7	51	6	6	NUM
gi-4778	7	52	)	)	PUNCT
gi-4778	7	53	and	and	CCONJ
gi-4778	7	54	correlation	correlation	NOUN
gi-4778	7	55	test	test	NOUN
gi-4778	7	56	on	on	ADP
gi-4778	7	57	the	the	DET
gi-4778	7	58	various	various	ADJ
gi-4778	7	59	orthometric	orthometric	ADJ
gi-4778	7	60	heights	height	NOUN
gi-4778	7	61	obtained	obtain	VERB
gi-4778	7	62	(	(	PUNCT
gi-4778	7	63	table	table	NOUN
gi-4778	7	64	8)	8)	NUM
gi-4778	7	65	,	,	PUNCT
gi-4778	7	66	it	it	PRON
gi-4778	7	67	is	be	AUX
gi-4778	7	68	obvious	obvious	ADJ
gi-4778	7	69	that	that	SCONJ
gi-4778	7	70	all	all	DET
gi-4778	7	71	the	the	DET
gi-4778	7	72	applied	apply	VERB
gi-4778	7	73	methods	method	NOUN
gi-4778	7	74	operates	operate	VERB
gi-4778	7	75	at	at	ADP
gi-4778	7	76	different	different	ADJ
gi-4778	7	77	spatial	spatial	ADJ
gi-4778	7	78	resolutions	resolution	NOUN
gi-4778	7	79	.	.	PUNCT
gi-4778	8	1	of	of	ADP
gi-4778	8	2	all	all	DET
gi-4778	8	3	the	the	DET
gi-4778	8	4	four	four	NUM
gi-4778	8	5	methods	method	NOUN
gi-4778	8	6	,	,	PUNCT
gi-4778	8	7	gps	gps	NOUN
gi-4778	8	8	/	/	SYM
gi-4778	8	9	levelling	levelling	NOUN
gi-4778	8	10	method	method	NOUN
gi-4778	8	11	,	,	PUNCT
gi-4778	8	12	was	be	AUX
gi-4778	8	13	the	the	DET
gi-4778	8	14	most	most	ADV
gi-4778	8	15	reliable	reliable	ADJ
gi-4778	8	16	and	and	CCONJ
gi-4778	8	17	most	most	ADV
gi-4778	8	18	accurate	accurate	ADJ
gi-4778	8	19	method	method	NOUN
gi-4778	8	20	followed	follow	VERB
gi-4778	8	21	by	by	ADP
gi-4778	8	22	lidar	lidar	NOUN
gi-4778	8	23	method	method	NOUN
gi-4778	8	24	,	,	PUNCT
gi-4778	8	25	then	then	ADV
gi-4778	8	26	by	by	ADP
gi-4778	8	27	aster	aster	NOUN
gi-4778	8	28	gdem	gdem	PROPN
gi-4778	8	29	method	method	NOUN
gi-4778	8	30	and	and	CCONJ
gi-4778	8	31	srtm	srtm	NOUN
gi-4778	8	32	has	have	VERB
gi-4778	8	33	the	the	DET
gi-4778	8	34	least	least	ADJ
gi-4778	8	35	.	.	PUNCT
gi-4778	9	1	in	in	ADP
gi-4778	9	2	a	a	DET
gi-4778	9	3	nutshell	nutshell	NOUN
gi-4778	9	4	,	,	PUNCT
gi-4778	9	5	orthometric	orthometric	ADJ
gi-4778	9	6	heights	height	NOUN
gi-4778	9	7	generated	generate	VERB
gi-4778	9	8	by	by	ADP
gi-4778	9	9	method	method	NOUN
gi-4778	9	10	of	of	ADP
gi-4778	9	11	lidar	lidar	NOUN
gi-4778	9	12	are	be	AUX
gi-4778	9	13	very	very	ADV
gi-4778	9	14	close	close	ADJ
gi-4778	9	15	to	to	ADP
gi-4778	9	16	that	that	PRON
gi-4778	9	17	generated	generate	VERB
gi-4778	9	18	by	by	ADP
gi-4778	9	19	gps	gps	PROPN
gi-4778	9	20	/	/	SYM
gi-4778	9	21	levelling	levelling	NOUN
gi-4778	9	22	method	method	NOUN
gi-4778	9	23	at	at	ADP
gi-4778	9	24	several	several	ADJ
gi-4778	9	25	stations	station	NOUN
gi-4778	9	26	,	,	PUNCT
gi-4778	9	27	thus	thus	ADV
gi-4778	9	28	method	method	NOUN
gi-4778	9	29	of	of	ADP
gi-4778	9	30	lidar	lidar	NOUN
gi-4778	9	31	was	be	AUX
gi-4778	9	32	considered	consider	VERB
gi-4778	9	33	as	as	ADP
gi-4778	9	34	the	the	DET
gi-4778	9	35	most	most	ADV
gi-4778	9	36	suitable	suitable	ADJ
gi-4778	9	37	alternative	alternative	NOUN
gi-4778	9	38	to	to	PART
gi-4778	9	39	gps	gps	VERB
gi-4778	9	40	/	/	SYM
gi-4778	9	41	levelling	levelling	NOUN
gi-4778	9	42	method	method	NOUN
gi-4778	9	43	,	,	PUNCT
gi-4778	9	44	whenever	whenever	SCONJ
gi-4778	9	45	the	the	DET
gi-4778	9	46	use	use	NOUN
gi-4778	9	47	of	of	ADP
gi-4778	9	48	the	the	DET
gi-4778	9	49	later	later	ADJ
gi-4778	9	50	method	method	NOUN
gi-4778	9	51	can	can	AUX
gi-4778	9	52	not	not	PART
gi-4778	9	53	be	be	AUX
gi-4778	9	54	easily	easily	ADV
gi-4778	9	55	accomplished	accomplish	VERB
gi-4778	9	56	.	.	PUNCT
gi-4778	10	1	keywords	keyword	NOUN
gi-4778	10	2	:	:	PUNCT
gi-4778	10	3	orthometric	orthometric	ADJ
gi-4778	10	4	heights	height	NOUN
gi-4778	10	5	;	;	PUNCT
gi-4778	10	6	gps	gps	NOUN
gi-4778	10	7	levelling	levelling	NOUN
gi-4778	10	8	;	;	PUNCT
gi-4778	10	9	lidar	lidar	NOUN
gi-4778	10	10	;	;	PUNCT
gi-4778	10	11	srtm	srtm	NOUN
gi-4778	10	12	;	;	PUNCT
gi-4778	10	13	aster	aster	NOUN
gi-4778	10	14	gdem	gdem	NOUN
gi-4778	10	15	.	.	PUNCT
gi-4778	11	1	1	1	X
gi-4778	11	2	.	.	X
gi-4778	11	3	introduction	introduction	NOUN
gi-4778	11	4	the	the	DET
gi-4778	11	5	quest	quest	NOUN
gi-4778	11	6	for	for	ADP
gi-4778	11	7	several	several	ADJ
gi-4778	11	8	methods	method	NOUN
gi-4778	11	9	of	of	ADP
gi-4778	11	10	determining	determine	VERB
gi-4778	11	11	orthometric	orthometric	ADJ
gi-4778	11	12	heights	height	NOUN
gi-4778	11	13	truly	truly	ADV
gi-4778	11	14	call	call	VERB
gi-4778	11	15	for	for	ADP
gi-4778	11	16	research	research	NOUN
gi-4778	11	17	in	in	ADP
gi-4778	11	18	this	this	DET
gi-4778	11	19	area	area	NOUN
gi-4778	11	20	;	;	PUNCT
gi-4778	11	21	the	the	DET
gi-4778	11	22	leveling	leveling	NOUN
gi-4778	11	23	/	/	SYM
gi-4778	11	24	gps	gps	PROPN
gi-4778	11	25	survey	survey	NOUN
gi-4778	11	26	method	method	NOUN
gi-4778	11	27	which	which	PRON
gi-4778	11	28	is	be	AUX
gi-4778	11	29	considered	consider	VERB
gi-4778	11	30	the	the	DET
gi-4778	11	31	most	most	ADV
gi-4778	11	32	accurate	accurate	ADJ
gi-4778	11	33	method	method	NOUN
gi-4778	11	34	may	may	AUX
gi-4778	11	35	not	not	PART
gi-4778	11	36	be	be	AUX
gi-4778	11	37	suitable	suitable	ADJ
gi-4778	11	38	in	in	ADP
gi-4778	11	39	some	some	DET
gi-4778	11	40	region	region	NOUN
gi-4778	11	41	as	as	ADP
gi-4778	11	42	a	a	DET
gi-4778	11	43	result	result	NOUN
gi-4778	11	44	of	of	ADP
gi-4778	11	45	which	which	PRON
gi-4778	11	46	other	other	ADJ
gi-4778	11	47	methods	method	NOUN
gi-4778	11	48	such	such	ADJ
gi-4778	11	49	as	as	ADP
gi-4778	11	50	the	the	DET
gi-4778	11	51	use	use	NOUN
gi-4778	11	52	of	of	ADP
gi-4778	11	53	lidar	lidar	NOUN
gi-4778	11	54	,	,	PUNCT
gi-4778	11	55	srtm	srtm	NOUN
gi-4778	11	56	and	and	CCONJ
gi-4778	11	57	aster	aster	NOUN
gi-4778	11	58	gdem	gdem	PROPN
gi-4778	11	59	(	(	PUNCT
gi-4778	11	60	leon	leon	PROPN
gi-4778	11	61	et	et	PROPN
gi-4778	11	62	al	al	PROPN
gi-4778	11	63	.	.	PROPN
gi-4778	11	64	,	,	PUNCT
gi-4778	11	65	2014	2014	NUM
gi-4778	11	66	;	;	PUNCT
gi-4778	11	67	rodriguez	rodriguez	NOUN
gi-4778	11	68	,	,	PUNCT
gi-4778	11	69	et	et	PROPN
gi-4778	11	70	al	al	PROPN
gi-4778	11	71	.	.	PROPN
gi-4778	11	72	,	,	PUNCT
gi-4778	11	73	2005	2005	NUM
gi-4778	11	74	)	)	PUNCT
gi-4778	11	75	can	can	AUX
gi-4778	11	76	actually	actually	ADV
gi-4778	11	77	come	come	VERB
gi-4778	11	78	into	into	ADP
gi-4778	11	79	play	play	NOUN
gi-4778	11	80	.	.	PUNCT
gi-4778	12	1	generation	generation	NOUN
gi-4778	12	2	of	of	ADP
gi-4778	12	3	orthometric	orthometric	ADJ
gi-4778	12	4	heights	height	NOUN
gi-4778	12	5	from	from	ADP
gi-4778	12	6	other	other	ADJ
gi-4778	12	7	methods	method	NOUN
gi-4778	12	8	required	require	VERB
gi-4778	12	9	the	the	DET
gi-4778	12	10	overlay	overlay	NOUN
gi-4778	12	11	of	of	ADP
gi-4778	12	12	sample	sample	NOUN
gi-4778	12	13	points	point	NOUN
gi-4778	12	14	(	(	PUNCT
gi-4778	12	15	x	x	SYM
gi-4778	12	16	and	and	CCONJ
gi-4778	12	17	y	y	PROPN
gi-4778	12	18	coordinates	coordinate	NOUN
gi-4778	12	19	of	of	ADP
gi-4778	12	20	observed	observed	ADJ
gi-4778	12	21	control	control	NOUN
gi-4778	12	22	stations	station	NOUN
gi-4778	12	23	downloaded	download	VERB
gi-4778	12	24	from	from	ADP
gi-4778	12	25	gps	gps	PROPN
gi-4778	12	26	)	)	PUNCT
gi-4778	12	27	on	on	ADP
gi-4778	12	28	each	each	PRON
gi-4778	12	29	of	of	ADP
gi-4778	12	30	the	the	DET
gi-4778	12	31	data	datum	NOUN
gi-4778	12	32	in	in	ADP
gi-4778	12	33	an	an	DET
gi-4778	12	34	arc	arc	NOUN
gi-4778	12	35	map	map	NOUN
gi-4778	12	36	environment	environment	NOUN
gi-4778	12	37	.	.	PUNCT
gi-4778	13	1	the	the	DET
gi-4778	13	2	use	use	NOUN
gi-4778	13	3	of	of	ADP
gi-4778	13	4	spatial	spatial	ADJ
gi-4778	13	5	analysis	analysis	NOUN
gi-4778	13	6	tool	tool	NOUN
gi-4778	13	7	in	in	ADP
gi-4778	13	8	an	an	DET
gi-4778	13	9	arc	arc	NOUN
gi-4778	13	10	map	map	NOUN
gi-4778	13	11	environment	environment	NOUN
gi-4778	13	12	enable	enable	VERB
gi-4778	13	13	easy	easy	ADJ
gi-4778	13	14	extraction	extraction	NOUN
gi-4778	13	15	of	of	ADP
gi-4778	13	16	values	value	NOUN
gi-4778	13	17	from	from	ADP
gi-4778	13	18	points	point	NOUN
gi-4778	13	19	overlaid	overlay	VERB
gi-4778	13	20	,	,	PUNCT
gi-4778	13	21	these	these	DET
gi-4778	13	22	values	value	NOUN
gi-4778	13	23	are	be	AUX
gi-4778	13	24	the	the	DET
gi-4778	13	25	orthometric	orthometric	ADJ
gi-4778	13	26	heights	height	NOUN
gi-4778	13	27	required	require	VERB
gi-4778	13	28	from	from	ADP
gi-4778	13	29	each	each	PRON
gi-4778	13	30	of	of	ADP
gi-4778	13	31	the	the	DET
gi-4778	13	32	data	datum	NOUN
gi-4778	13	33	.	.	PUNCT
gi-4778	14	1	orthometric	orthometric	ADJ
gi-4778	14	2	height	height	NOUN
gi-4778	14	3	(	(	PUNCT
gi-4778	14	4	h	h	NOUN
gi-4778	14	5	)	)	PUNCT
gi-4778	14	6	,	,	PUNCT
gi-4778	14	7	(	(	PUNCT
gi-4778	14	8	height	height	NOUN
gi-4778	14	9	above	above	ADP
gi-4778	14	10	the	the	DET
gi-4778	14	11	geoid	geoid	NOUN
gi-4778	14	12	)	)	PUNCT
gi-4778	14	13	relates	relate	VERB
gi-4778	14	14	to	to	ADP
gi-4778	14	15	the	the	DET
gi-4778	14	16	earth	earth	NOUN
gi-4778	14	17	’s	’s	PART
gi-4778	14	18	physical	physical	ADJ
gi-4778	14	19	surface	surface	NOUN
gi-4778	14	20	and	and	CCONJ
gi-4778	14	21	are	be	AUX
gi-4778	14	22	needed	need	VERB
gi-4778	14	23	by	by	ADP
gi-4778	14	24	most	most	ADJ
gi-4778	14	25	of	of	ADP
gi-4778	14	26	the	the	DET
gi-4778	14	27	geomatics	geomatics	PROPN
gi-4778	14	28	engineering	engineering	NOUN
gi-4778	14	29	,	,	PUNCT
gi-4778	14	30	surveying	surveying	NOUN
gi-4778	14	31	,	,	PUNCT
gi-4778	14	32	geodetic	geodetic	ADJ
gi-4778	14	33	and	and	CCONJ
gi-4778	14	34	geophysics	geophysic	NOUN
gi-4778	14	35	applications	application	NOUN
gi-4778	14	36	.	.	PUNCT
gi-4778	15	1	though	though	SCONJ
gi-4778	15	2	the	the	DET
gi-4778	15	3	development	development	NOUN
gi-4778	15	4	of	of	ADP
gi-4778	15	5	global	global	ADJ
gi-4778	15	6	positioning	positioning	NOUN
gi-4778	15	7	systems	system	NOUN
gi-4778	15	8	(	(	PUNCT
gi-4778	15	9	gps	gps	PROPN
gi-4778	15	10	)	)	PUNCT
gi-4778	15	11	techniques	technique	NOUN
gi-4778	15	12	has	have	AUX
gi-4778	15	13	been	be	AUX
gi-4778	15	14	helpful	helpful	ADJ
gi-4778	15	15	in	in	ADP
gi-4778	15	16	height	height	NOUN
gi-4778	15	17	determination	determination	NOUN
gi-4778	15	18	,	,	PUNCT
gi-4778	15	19	our	our	PRON
gi-4778	15	20	aim	aim	NOUN
gi-4778	15	21	at	at	ADP
gi-4778	15	22	replacing	replace	VERB
gi-4778	15	23	the	the	DET
gi-4778	15	24	classical	classical	ADJ
gi-4778	15	25	levelling	levelling	NOUN
gi-4778	15	26	with	with	ADP
gi-4778	15	27	gps	gps	NOUN
gi-4778	15	28	surveys	survey	NOUN
gi-4778	15	29	may	may	AUX
gi-4778	15	30	not	not	PART
gi-4778	15	31	be	be	AUX
gi-4778	15	32	fruitful	fruitful	ADJ
gi-4778	15	33	,	,	PUNCT
gi-4778	15	34	since	since	SCONJ
gi-4778	15	35	the	the	DET
gi-4778	15	36	main	main	ADJ
gi-4778	15	37	geoinformatics	geoinformatic	NOUN
gi-4778	15	38	fce	fce	VERB
gi-4778	15	39	ctu	ctu	NOUN
gi-4778	15	40	17(1	17(1	NOUN
gi-4778	15	41	)	)	PUNCT
gi-4778	15	42	,	,	PUNCT
gi-4778	15	43	2018	2018	NUM
gi-4778	15	44	,	,	PUNCT
gi-4778	15	45	doi:10.14311	doi:10.14311	NOUN
gi-4778	15	46	/	/	SYM
gi-4778	15	47	gi.17.1.4	gi.17.1.4	PROPN
gi-4778	16	1	45	45	NUM
gi-4778	16	2	http://orcid.org/0000-0001-9093-1092	http://orcid.org/0000-0001-9093-1092	PROPN
gi-4778	16	3	https://orcid.org/0000-0003-2493-1937	https://orcid.org/0000-0003-2493-1937	PROPN
gi-4778	17	1	https://orcid.org/0000-0003-2219-8970	https://orcid.org/0000-0003-2219-8970	PROPN
gi-4778	17	2	http://orcid.org/0000-0003-1604-4924	http://orcid.org/0000-0003-1604-4924	NOUN
gi-4778	17	3	https://orcid.org/0000-0002-9467-3569	https://orcid.org/0000-0002-9467-3569	PROPN
gi-4778	18	1	https://doi.org/10.14311/gi.17.1.4	https://doi.org/10.14311/gi.17.1.4	PROPN
gi-4778	18	2	http://creativecommons.org/licenses/by/4.0/	http://creativecommons.org/licenses/by/4.0/	PROPN
gi-4778	19	1	o.	o.	PROPN
gi-4778	19	2	g.	g.	PROPN
gi-4778	19	3	omogunloye	omogunloye	PROPN
gi-4778	19	4	et	et	PROPN
gi-4778	19	5	al	al	PROPN
gi-4778	19	6	.	.	PROPN
gi-4778	19	7	:	:	PUNCT
gi-4778	20	1	an	an	DET
gi-4778	20	2	alternative	alternative	ADJ
gi-4778	20	3	choice	choice	NOUN
gi-4778	20	4	in	in	ADP
gi-4778	20	5	heighting	heighting	PROPN
gi-4778	20	6	problem	problem	NOUN
gi-4778	20	7	with	with	ADP
gi-4778	20	8	gps	gps	NOUN
gi-4778	20	9	technique	technique	NOUN
gi-4778	20	10	is	be	AUX
gi-4778	20	11	that	that	SCONJ
gi-4778	20	12	its	its	PRON
gi-4778	20	13	height	height	NOUN
gi-4778	20	14	refers	refer	VERB
gi-4778	20	15	to	to	ADP
gi-4778	20	16	a	a	DET
gi-4778	20	17	reference	reference	NOUN
gi-4778	20	18	ellipsoid	ellipsoid	NOUN
gi-4778	20	19	approximating	approximate	VERB
gi-4778	20	20	the	the	DET
gi-4778	20	21	true	true	ADJ
gi-4778	20	22	shape	shape	NOUN
gi-4778	20	23	of	of	ADP
gi-4778	20	24	the	the	DET
gi-4778	20	25	earth	earth	NOUN
gi-4778	20	26	but	but	CCONJ
gi-4778	20	27	not	not	PART
gi-4778	20	28	the	the	DET
gi-4778	20	29	geoid	geoid	NOUN
gi-4778	20	30	or	or	CCONJ
gi-4778	20	31	msl	msl	PROPN
gi-4778	20	32	.	.	PROPN
gi-4778	21	1	1.1	1.1	NUM
gi-4778	21	2	.	.	PUNCT
gi-4778	22	1	area	area	NOUN
gi-4778	22	2	of	of	ADP
gi-4778	22	3	study	study	VERB
gi-4778	22	4	the	the	DET
gi-4778	22	5	study	study	NOUN
gi-4778	22	6	area	area	NOUN
gi-4778	22	7	is	be	AUX
gi-4778	22	8	the	the	DET
gi-4778	22	9	entire	entire	ADJ
gi-4778	22	10	university	university	NOUN
gi-4778	22	11	of	of	ADP
gi-4778	22	12	lagos	lago	NOUN
gi-4778	22	13	.	.	PUNCT
gi-4778	23	1	it	it	PRON
gi-4778	23	2	has	have	VERB
gi-4778	23	3	a	a	DET
gi-4778	23	4	total	total	ADJ
gi-4778	23	5	area	area	NOUN
gi-4778	23	6	of	of	ADP
gi-4778	23	7	146.815	146.815	NUM
gi-4778	23	8	hectares	hectare	NOUN
gi-4778	23	9	.	.	PUNCT
gi-4778	24	1	figure	figure	NOUN
gi-4778	24	2	1	1	NUM
gi-4778	24	3	shows	show	VERB
gi-4778	24	4	the	the	DET
gi-4778	24	5	map	map	NOUN
gi-4778	24	6	of	of	ADP
gi-4778	24	7	the	the	DET
gi-4778	24	8	university	university	NOUN
gi-4778	24	9	of	of	ADP
gi-4778	24	10	lagos	lago	NOUN
gi-4778	24	11	.	.	PUNCT
gi-4778	25	1	it	it	PRON
gi-4778	25	2	is	be	AUX
gi-4778	25	3	located	locate	VERB
gi-4778	25	4	on	on	ADP
gi-4778	25	5	the	the	DET
gi-4778	25	6	western	western	ADJ
gi-4778	25	7	part	part	NOUN
gi-4778	25	8	of	of	ADP
gi-4778	25	9	lagos	lago	NOUN
gi-4778	25	10	metropolis	metropolis	NOUN
gi-4778	25	11	in	in	ADP
gi-4778	25	12	lagos	lagos	PROPN
gi-4778	25	13	mainland	mainland	NOUN
gi-4778	25	14	local	local	ADJ
gi-4778	25	15	government	government	NOUN
gi-4778	25	16	area	area	NOUN
gi-4778	25	17	of	of	ADP
gi-4778	25	18	lagos	lagos	PROPN
gi-4778	25	19	state	state	NOUN
gi-4778	25	20	.	.	PUNCT
gi-4778	26	1	the	the	DET
gi-4778	26	2	university	university	NOUN
gi-4778	26	3	is	be	AUX
gi-4778	26	4	geographically	geographically	ADV
gi-4778	26	5	located	locate	VERB
gi-4778	26	6	between	between	ADP
gi-4778	26	7	northing	northing	PROPN
gi-4778	26	8	’s	’s	PART
gi-4778	26	9	721000n	721000n	NOUN
gi-4778	26	10	and	and	CCONJ
gi-4778	26	11	718500n	718500n	NOUN
gi-4778	26	12	,	,	PUNCT
gi-4778	26	13	and	and	CCONJ
gi-4778	26	14	easting	easte	VERB
gi-4778	26	15	542000e	542000e	NOUN
gi-4778	26	16	and	and	CCONJ
gi-4778	26	17	545000e	545000e	NUM
gi-4778	26	18	.	.	PUNCT
gi-4778	27	1	figure	figure	NOUN
gi-4778	27	2	1	1	NUM
gi-4778	27	3	:	:	PUNCT
gi-4778	27	4	map	map	NOUN
gi-4778	27	5	of	of	ADP
gi-4778	27	6	university	university	NOUN
gi-4778	27	7	of	of	ADP
gi-4778	27	8	lagos	lago	NOUN
gi-4778	27	9	.	.	PUNCT
gi-4778	28	1	1.2	1.2	NUM
gi-4778	28	2	.	.	PUNCT
gi-4778	28	3	aim	aim	NOUN
gi-4778	28	4	of	of	ADP
gi-4778	28	5	the	the	DET
gi-4778	28	6	study	study	NOUN
gi-4778	28	7	to	to	PART
gi-4778	28	8	determine	determine	VERB
gi-4778	28	9	and	and	CCONJ
gi-4778	28	10	compare	compare	VERB
gi-4778	28	11	the	the	DET
gi-4778	28	12	orthometric	orthometric	ADJ
gi-4778	28	13	heights	height	NOUN
gi-4778	28	14	obtained	obtain	VERB
gi-4778	28	15	for	for	ADP
gi-4778	28	16	all	all	DET
gi-4778	28	17	the	the	DET
gi-4778	28	18	existing	exist	VERB
gi-4778	28	19	controls	control	NOUN
gi-4778	28	20	within	within	ADP
gi-4778	28	21	university	university	NOUN
gi-4778	28	22	of	of	ADP
gi-4778	28	23	lagos	lagos	PROPN
gi-4778	28	24	,	,	PUNCT
gi-4778	28	25	using	use	VERB
gi-4778	28	26	gps	gps	NOUN
gi-4778	28	27	/	/	SYM
gi-4778	28	28	levelling	levelling	NOUN
gi-4778	28	29	survey	survey	NOUN
gi-4778	28	30	method	method	NOUN
gi-4778	28	31	,	,	PUNCT
gi-4778	28	32	lidar	lidar	NOUN
gi-4778	28	33	,	,	PUNCT
gi-4778	28	34	srtm	srtm	NOUN
gi-4778	28	35	and	and	CCONJ
gi-4778	28	36	aster	aster	NOUN
gi-4778	28	37	gdem	gdem	PROPN
gi-4778	28	38	data	datum	NOUN
gi-4778	28	39	,	,	PUNCT
gi-4778	28	40	as	as	ADV
gi-4778	28	41	well	well	ADV
gi-4778	28	42	as	as	ADP
gi-4778	28	43	their	their	PRON
gi-4778	28	44	ranking	ranking	NOUN
gi-4778	28	45	.	.	PUNCT
gi-4778	29	1	geoinformatics	geoinformatic	NOUN
gi-4778	29	2	fce	fce	VERB
gi-4778	29	3	ctu	ctu	NOUN
gi-4778	29	4	17(1	17(1	NOUN
gi-4778	29	5	)	)	PUNCT
gi-4778	29	6	,	,	PUNCT
gi-4778	29	7	2018	2018	NUM
gi-4778	29	8	46	46	NUM
gi-4778	29	9	o.	o.	NOUN
gi-4778	29	10	g.	g.	PROPN
gi-4778	29	11	omogunloye	omogunloye	PROPN
gi-4778	29	12	et	et	PROPN
gi-4778	29	13	al	al	PROPN
gi-4778	29	14	.	.	PROPN
gi-4778	29	15	:	:	PUNCT
gi-4778	30	1	an	an	DET
gi-4778	30	2	alternative	alternative	ADJ
gi-4778	30	3	choice	choice	NOUN
gi-4778	30	4	in	in	ADP
gi-4778	30	5	heighting	heighting	PROPN
gi-4778	30	6	1.3	1.3	NUM
gi-4778	30	7	.	.	PUNCT
gi-4778	31	1	objectives	objective	NOUN
gi-4778	31	2	of	of	ADP
gi-4778	31	3	the	the	DET
gi-4778	31	4	study	study	NOUN
gi-4778	31	5	•	•	ADP
gi-4778	31	6	to	to	PART
gi-4778	31	7	obtain	obtain	VERB
gi-4778	31	8	the	the	DET
gi-4778	31	9	ellipsoidal	ellipsoidal	ADJ
gi-4778	31	10	heights	height	NOUN
gi-4778	31	11	of	of	ADP
gi-4778	31	12	all	all	DET
gi-4778	31	13	existing	exist	VERB
gi-4778	31	14	controls	control	NOUN
gi-4778	31	15	within	within	ADP
gi-4778	31	16	university	university	NOUN
gi-4778	31	17	of	of	ADP
gi-4778	31	18	lagos	lago	NOUN
gi-4778	31	19	using	use	VERB
gi-4778	31	20	the	the	DET
gi-4778	31	21	method	method	NOUN
gi-4778	31	22	of	of	ADP
gi-4778	31	23	gps	gps	PROPN
gi-4778	31	24	.	.	PROPN
gi-4778	32	1	•	•	NUM
gi-4778	32	2	to	to	PART
gi-4778	32	3	compute	compute	VERB
gi-4778	32	4	the	the	DET
gi-4778	32	5	geoidal	geoidal	ADJ
gi-4778	32	6	heights	height	NOUN
gi-4778	32	7	of	of	ADP
gi-4778	32	8	all	all	DET
gi-4778	32	9	the	the	DET
gi-4778	32	10	existing	exist	VERB
gi-4778	32	11	controls	control	NOUN
gi-4778	32	12	within	within	ADP
gi-4778	32	13	the	the	DET
gi-4778	32	14	university	university	NOUN
gi-4778	32	15	using	use	VERB
gi-4778	32	16	levelling	levelling	NOUN
gi-4778	32	17	survey	survey	NOUN
gi-4778	32	18	method	method	NOUN
gi-4778	32	19	.	.	PUNCT
gi-4778	33	1	•	•	NOUN
gi-4778	33	2	to	to	PART
gi-4778	33	3	compute	compute	VERB
gi-4778	33	4	the	the	DET
gi-4778	33	5	orthometric	orthometric	ADJ
gi-4778	33	6	heights	height	NOUN
gi-4778	33	7	of	of	ADP
gi-4778	33	8	all	all	DET
gi-4778	33	9	existing	exist	VERB
gi-4778	33	10	controls	control	NOUN
gi-4778	33	11	within	within	ADP
gi-4778	33	12	university	university	NOUN
gi-4778	33	13	of	of	ADP
gi-4778	33	14	lagos	lago	NOUN
gi-4778	33	15	using	use	VERB
gi-4778	33	16	(	(	PUNCT
gi-4778	33	17	i	i	NOUN
gi-4778	33	18	)	)	PUNCT
gi-4778	33	19	and	and	CCONJ
gi-4778	33	20	(	(	PUNCT
gi-4778	33	21	ii	ii	NOUN
gi-4778	33	22	)	)	PUNCT
gi-4778	33	23	.	.	PUNCT
gi-4778	34	1	•	•	NUM
gi-4778	34	2	to	to	PART
gi-4778	34	3	extract	extract	VERB
gi-4778	34	4	the	the	DET
gi-4778	34	5	corresponding	corresponding	ADJ
gi-4778	34	6	orthometric	orthometric	ADJ
gi-4778	34	7	heights	height	NOUN
gi-4778	34	8	of	of	ADP
gi-4778	34	9	all	all	DET
gi-4778	34	10	the	the	DET
gi-4778	34	11	controls	control	NOUN
gi-4778	34	12	from	from	ADP
gi-4778	34	13	lidar	lidar	NOUN
gi-4778	34	14	data	data	NOUN
gi-4778	34	15	,	,	PUNCT
gi-4778	34	16	srtm	srtm	NOUN
gi-4778	34	17	and	and	CCONJ
gi-4778	34	18	aster	aster	NOUN
gi-4778	34	19	gdem	gdem	PROPN
gi-4778	34	20	.	.	PUNCT
gi-4778	35	1	•	•	NUM
gi-4778	35	2	to	to	PART
gi-4778	35	3	rank	rank	VERB
gi-4778	35	4	the	the	DET
gi-4778	35	5	various	various	ADJ
gi-4778	35	6	methods	method	NOUN
gi-4778	35	7	of	of	ADP
gi-4778	35	8	height	height	NOUN
gi-4778	35	9	determination	determination	NOUN
gi-4778	35	10	used	use	VERB
gi-4778	35	11	based	base	VERB
gi-4778	35	12	on	on	ADP
gi-4778	35	13	their	their	PRON
gi-4778	35	14	accuracy	accuracy	NOUN
gi-4778	35	15	,	,	PUNCT
gi-4778	35	16	reliability	reliability	NOUN
gi-4778	35	17	and	and	CCONJ
gi-4778	35	18	efficiency	efficiency	NOUN
gi-4778	35	19	.	.	PUNCT
gi-4778	36	1	•	•	INTJ
gi-4778	36	2	to	to	PART
gi-4778	36	3	determine	determine	VERB
gi-4778	36	4	which	which	PRON
gi-4778	36	5	of	of	ADP
gi-4778	36	6	the	the	DET
gi-4778	36	7	methods	method	NOUN
gi-4778	36	8	of	of	ADP
gi-4778	36	9	generating	generate	VERB
gi-4778	36	10	orthometric	orthometric	ADJ
gi-4778	36	11	heights	height	NOUN
gi-4778	36	12	from	from	ADP
gi-4778	36	13	(	(	PUNCT
gi-4778	36	14	iv	iv	X
gi-4778	36	15	)	)	PUNCT
gi-4778	36	16	are	be	AUX
gi-4778	36	17	suitable	suitable	ADJ
gi-4778	36	18	in	in	ADP
gi-4778	36	19	our	our	PRON
gi-4778	36	20	study	study	NOUN
gi-4778	36	21	area	area	NOUN
gi-4778	36	22	,	,	PUNCT
gi-4778	36	23	as	as	ADP
gi-4778	36	24	an	an	DET
gi-4778	36	25	alternative	alternative	NOUN
gi-4778	36	26	to	to	ADP
gi-4778	36	27	the	the	DET
gi-4778	36	28	leveling	leveling	NOUN
gi-4778	36	29	/	/	SYM
gi-4778	36	30	gps	gps	PROPN
gi-4778	36	31	survey	survey	NOUN
gi-4778	36	32	method	method	NOUN
gi-4778	36	33	.	.	PUNCT
gi-4778	37	1	•	•	ADP
gi-4778	37	2	to	to	PART
gi-4778	37	3	plot	plot	VERB
gi-4778	37	4	the	the	DET
gi-4778	37	5	profile	profile	NOUN
gi-4778	37	6	of	of	ADP
gi-4778	37	7	the	the	DET
gi-4778	37	8	various	various	ADJ
gi-4778	37	9	orthometric	orthometric	ADJ
gi-4778	37	10	heights	height	NOUN
gi-4778	37	11	obtained	obtain	VERB
gi-4778	37	12	,	,	PUNCT
gi-4778	37	13	so	so	SCONJ
gi-4778	37	14	as	as	SCONJ
gi-4778	37	15	to	to	PART
gi-4778	37	16	know	know	VERB
gi-4778	37	17	how	how	SCONJ
gi-4778	37	18	they	they	PRON
gi-4778	37	19	relates	relate	VERB
gi-4778	37	20	to	to	ADP
gi-4778	37	21	one	one	NUM
gi-4778	37	22	another	another	DET
gi-4778	37	23	.	.	PUNCT
gi-4778	38	1	1.4	1.4	NUM
gi-4778	38	2	.	.	PUNCT
gi-4778	38	3	scope	scope	NOUN
gi-4778	38	4	of	of	ADP
gi-4778	38	5	the	the	DET
gi-4778	38	6	study	study	NOUN
gi-4778	38	7	the	the	DET
gi-4778	38	8	scope	scope	NOUN
gi-4778	38	9	of	of	ADP
gi-4778	38	10	the	the	DET
gi-4778	38	11	project	project	NOUN
gi-4778	38	12	is	be	AUX
gi-4778	38	13	as	as	SCONJ
gi-4778	38	14	follows	follow	VERB
gi-4778	38	15	:	:	PUNCT
gi-4778	38	16	•	•	ADP
gi-4778	38	17	to	to	PART
gi-4778	38	18	use	use	VERB
gi-4778	38	19	dual	dual	ADJ
gi-4778	38	20	frequency	frequency	NOUN
gi-4778	38	21	differential	differential	NOUN
gi-4778	38	22	gps	gps	PROPN
gi-4778	38	23	to	to	PART
gi-4778	38	24	obtain	obtain	VERB
gi-4778	38	25	x	x	NOUN
gi-4778	38	26	,	,	PUNCT
gi-4778	38	27	y	y	PROPN
gi-4778	38	28	,	,	PUNCT
gi-4778	38	29	z	z	NOUN
gi-4778	38	30	coordinates	coordinate	NOUN
gi-4778	38	31	of	of	ADP
gi-4778	38	32	all	all	DET
gi-4778	38	33	existing	exist	VERB
gi-4778	38	34	controls	control	NOUN
gi-4778	38	35	within	within	ADP
gi-4778	38	36	university	university	NOUN
gi-4778	38	37	of	of	ADP
gi-4778	38	38	lagos	lagos	PROPN
gi-4778	38	39	.	.	PUNCT
gi-4778	39	1	•	•	NUM
gi-4778	39	2	to	to	PART
gi-4778	39	3	carry	carry	VERB
gi-4778	39	4	out	out	ADP
gi-4778	39	5	the	the	DET
gi-4778	39	6	levelling	levelling	NOUN
gi-4778	39	7	survey	survey	NOUN
gi-4778	39	8	across	across	ADP
gi-4778	39	9	all	all	DET
gi-4778	39	10	existing	exist	VERB
gi-4778	39	11	controls	control	NOUN
gi-4778	39	12	within	within	ADP
gi-4778	39	13	university	university	NOUN
gi-4778	39	14	of	of	ADP
gi-4778	39	15	lagos	lagos	PROPN
gi-4778	39	16	.	.	PUNCT
gi-4778	40	1	•	•	NUM
gi-4778	40	2	to	to	PART
gi-4778	40	3	obtained	obtain	VERB
gi-4778	40	4	the	the	DET
gi-4778	40	5	orthometric	orthometric	ADJ
gi-4778	40	6	heights	height	NOUN
gi-4778	40	7	of	of	ADP
gi-4778	40	8	all	all	DET
gi-4778	40	9	the	the	DET
gi-4778	40	10	existing	exist	VERB
gi-4778	40	11	control	control	NOUN
gi-4778	40	12	from	from	ADP
gi-4778	40	13	(	(	PUNCT
gi-4778	40	14	i	i	NOUN
gi-4778	40	15	)	)	PUNCT
gi-4778	40	16	and	and	CCONJ
gi-4778	40	17	(	(	PUNCT
gi-4778	40	18	ii	ii	NOUN
gi-4778	40	19	)	)	PUNCT
gi-4778	40	20	using	use	VERB
gi-4778	40	21	the	the	DET
gi-4778	40	22	relation	relation	NOUN
gi-4778	40	23	h	h	NOUN
gi-4778	41	1	=	=	NOUN
gi-4778	41	2	h−n	h−n	PROPN
gi-4778	41	3	.	.	PUNCT
gi-4778	42	1	•	•	NOUN
gi-4778	42	2	to	to	PART
gi-4778	42	3	produce	produce	VERB
gi-4778	42	4	a	a	DET
gi-4778	42	5	digital	digital	ADJ
gi-4778	42	6	drawing	drawing	NOUN
gi-4778	42	7	of	of	ADP
gi-4778	42	8	all	all	DET
gi-4778	42	9	the	the	DET
gi-4778	42	10	coordinated	coordinated	ADJ
gi-4778	42	11	controls	control	NOUN
gi-4778	42	12	using	use	VERB
gi-4778	42	13	autocad	autocad	PROPN
gi-4778	42	14	2013	2013	NUM
gi-4778	42	15	.	.	PUNCT
gi-4778	43	1	•	•	ADP
gi-4778	43	2	to	to	PART
gi-4778	43	3	extract	extract	VERB
gi-4778	43	4	the	the	DET
gi-4778	43	5	corresponding	corresponding	ADJ
gi-4778	43	6	orthometric	orthometric	ADJ
gi-4778	43	7	heights	height	NOUN
gi-4778	43	8	of	of	ADP
gi-4778	43	9	all	all	DET
gi-4778	43	10	the	the	DET
gi-4778	43	11	coordinated	coordinate	VERB
gi-4778	43	12	controls	control	NOUN
gi-4778	43	13	from	from	ADP
gi-4778	43	14	lidar	lidar	NOUN
gi-4778	43	15	data	data	NOUN
gi-4778	43	16	,	,	PUNCT
gi-4778	43	17	srtm	srtm	NOUN
gi-4778	43	18	data	datum	NOUN
gi-4778	43	19	and	and	CCONJ
gi-4778	43	20	aster	aster	NOUN
gi-4778	43	21	gdem	gdem	PROPN
gi-4778	43	22	data	datum	NOUN
gi-4778	43	23	,	,	PUNCT
gi-4778	43	24	through	through	ADP
gi-4778	43	25	overlay	overlay	NOUN
gi-4778	43	26	of	of	ADP
gi-4778	43	27	sample	sample	NOUN
gi-4778	43	28	points	point	NOUN
gi-4778	43	29	(	(	PUNCT
gi-4778	43	30	in	in	ADP
gi-4778	43	31	arcmap	arcmap	NOUN
gi-4778	43	32	)	)	PUNCT
gi-4778	43	33	.	.	PUNCT
gi-4778	44	1	•	•	NUM
gi-4778	44	2	to	to	PART
gi-4778	44	3	produce	produce	VERB
gi-4778	44	4	the	the	DET
gi-4778	44	5	profile	profile	NOUN
gi-4778	44	6	drawing	drawing	NOUN
gi-4778	44	7	of	of	ADP
gi-4778	44	8	all	all	DET
gi-4778	44	9	the	the	DET
gi-4778	44	10	orthometric	orthometric	ADJ
gi-4778	44	11	heights	height	NOUN
gi-4778	44	12	obtained	obtain	VERB
gi-4778	44	13	from	from	ADP
gi-4778	44	14	the	the	DET
gi-4778	44	15	various	various	ADJ
gi-4778	44	16	methods	method	NOUN
gi-4778	44	17	using	use	VERB
gi-4778	44	18	excel	excel	NOUN
gi-4778	44	19	.	.	PUNCT
gi-4778	45	1	1.5	1.5	NUM
gi-4778	45	2	.	.	PUNCT
gi-4778	45	3	significance	significance	NOUN
gi-4778	45	4	of	of	ADP
gi-4778	45	5	the	the	DET
gi-4778	45	6	study	study	NOUN
gi-4778	45	7	this	this	DET
gi-4778	45	8	study	study	NOUN
gi-4778	45	9	is	be	AUX
gi-4778	45	10	however	however	ADV
gi-4778	45	11	to	to	PART
gi-4778	45	12	provide	provide	VERB
gi-4778	45	13	an	an	DET
gi-4778	45	14	enhanced	enhanced	ADJ
gi-4778	45	15	alternative	alternative	ADJ
gi-4778	45	16	choice	choice	NOUN
gi-4778	45	17	in	in	ADP
gi-4778	45	18	heighting	heighte	VERB
gi-4778	45	19	when	when	SCONJ
gi-4778	45	20	and	and	CCONJ
gi-4778	45	21	where	where	SCONJ
gi-4778	45	22	gps	gps	NOUN
gi-4778	45	23	/	/	SYM
gi-4778	45	24	levelling	levelling	NOUN
gi-4778	45	25	(	(	PUNCT
gi-4778	45	26	colombo	colombo	NOUN
gi-4778	45	27	,	,	PUNCT
gi-4778	45	28	1986	1986	NUM
gi-4778	45	29	&	&	CCONJ
gi-4778	45	30	1989	1989	NUM
gi-4778	45	31	)	)	PUNCT
gi-4778	45	32	survey	survey	NOUN
gi-4778	45	33	method	method	NOUN
gi-4778	45	34	is	be	AUX
gi-4778	45	35	not	not	PART
gi-4778	45	36	easily	easily	ADV
gi-4778	45	37	practicable	practicable	ADJ
gi-4778	45	38	or	or	CCONJ
gi-4778	45	39	necessary	necessary	ADJ
gi-4778	45	40	,	,	PUNCT
gi-4778	45	41	especially	especially	ADV
gi-4778	45	42	when	when	SCONJ
gi-4778	45	43	a	a	DET
gi-4778	45	44	geodetic	geodetic	ADJ
gi-4778	45	45	accuracy	accuracy	NOUN
gi-4778	45	46	is	be	AUX
gi-4778	45	47	not	not	PART
gi-4778	45	48	of	of	ADP
gi-4778	45	49	immense	immense	ADJ
gi-4778	45	50	requirement	requirement	NOUN
gi-4778	45	51	.	.	PUNCT
gi-4778	46	1	the	the	DET
gi-4778	46	2	study	study	NOUN
gi-4778	46	3	tries	try	VERB
gi-4778	46	4	to	to	PART
gi-4778	46	5	computes	compute	VERB
gi-4778	46	6	the	the	DET
gi-4778	46	7	orthometric	orthometric	ADJ
gi-4778	46	8	heights	height	NOUN
gi-4778	46	9	of	of	ADP
gi-4778	46	10	all	all	DET
gi-4778	46	11	existing	exist	VERB
gi-4778	46	12	control	control	NOUN
gi-4778	46	13	points	point	NOUN
gi-4778	46	14	within	within	ADP
gi-4778	46	15	university	university	NOUN
gi-4778	46	16	of	of	ADP
gi-4778	46	17	lagos	lago	NOUN
gi-4778	46	18	using	use	VERB
gi-4778	46	19	several	several	ADJ
gi-4778	46	20	methods	method	NOUN
gi-4778	46	21	such	such	ADJ
gi-4778	46	22	as	as	ADP
gi-4778	46	23	gps	gps	NOUN
gi-4778	46	24	/	/	SYM
gi-4778	46	25	levelling	levelling	NOUN
gi-4778	46	26	methods	method	NOUN
gi-4778	46	27	,	,	PUNCT
gi-4778	46	28	lidar	lidar	NOUN
gi-4778	46	29	,	,	PUNCT
gi-4778	46	30	srtm	srtm	NOUN
gi-4778	46	31	and	and	CCONJ
gi-4778	46	32	aster	aster	NOUN
gi-4778	46	33	gdem	gdem	PROPN
gi-4778	46	34	methods	method	NOUN
gi-4778	46	35	,	,	PUNCT
gi-4778	46	36	which	which	PRON
gi-4778	46	37	may	may	AUX
gi-4778	46	38	be	be	AUX
gi-4778	46	39	required	require	VERB
gi-4778	46	40	in	in	ADP
gi-4778	46	41	surveying	surveying	NOUN
gi-4778	46	42	,	,	PUNCT
gi-4778	46	43	engineering	engineering	NOUN
gi-4778	46	44	,	,	PUNCT
gi-4778	46	45	geodetics	geodetic	NOUN
gi-4778	46	46	and	and	CCONJ
gi-4778	46	47	geophysical	geophysical	ADJ
gi-4778	46	48	applications	application	NOUN
gi-4778	46	49	.	.	PUNCT
gi-4778	47	1	geoinformatics	geoinformatic	NOUN
gi-4778	47	2	fce	fce	VERB
gi-4778	47	3	ctu	ctu	NOUN
gi-4778	47	4	17(1	17(1	NOUN
gi-4778	47	5	)	)	PUNCT
gi-4778	47	6	,	,	PUNCT
gi-4778	47	7	2018	2018	NUM
gi-4778	47	8	47	47	NUM
gi-4778	47	9	o.	o.	NOUN
gi-4778	47	10	g.	g.	PROPN
gi-4778	47	11	omogunloye	omogunloye	PROPN
gi-4778	47	12	et	et	PROPN
gi-4778	47	13	al	al	PROPN
gi-4778	47	14	.	.	PROPN
gi-4778	47	15	:	:	PUNCT
gi-4778	48	1	an	an	DET
gi-4778	48	2	alternative	alternative	ADJ
gi-4778	48	3	choice	choice	NOUN
gi-4778	48	4	in	in	ADP
gi-4778	48	5	heighting	heighting	ADJ
gi-4778	48	6	figure	figure	NOUN
gi-4778	48	7	2	2	NUM
gi-4778	48	8	:	:	PUNCT
gi-4778	48	9	srtm	srtm	NOUN
gi-4778	48	10	data	datum	NOUN
gi-4778	48	11	(	(	PUNCT
gi-4778	48	12	from	from	ADP
gi-4778	48	13	http://srtm.cgiar.csi.org	http://srtm.cgiar.csi.org	PROPN
gi-4778	48	14	)	)	PUNCT
gi-4778	48	15	1.6	1.6	NUM
gi-4778	48	16	.	.	PUNCT
gi-4778	49	1	research	research	NOUN
gi-4778	49	2	questions	question	NOUN
gi-4778	49	3	the	the	DET
gi-4778	49	4	research	research	NOUN
gi-4778	49	5	proffers	proffer	NOUN
gi-4778	49	6	answer	answer	VERB
gi-4778	49	7	to	to	ADP
gi-4778	49	8	the	the	DET
gi-4778	49	9	following	follow	VERB
gi-4778	49	10	questions	question	NOUN
gi-4778	49	11	:	:	PUNCT
gi-4778	49	12	•	•	ADP
gi-4778	49	13	which	which	PRON
gi-4778	49	14	of	of	ADP
gi-4778	49	15	the	the	DET
gi-4778	49	16	other	other	ADJ
gi-4778	49	17	methods	method	NOUN
gi-4778	49	18	of	of	ADP
gi-4778	49	19	generating	generate	VERB
gi-4778	49	20	orthometric	orthometric	ADJ
gi-4778	49	21	heights	height	NOUN
gi-4778	49	22	can	can	AUX
gi-4778	49	23	be	be	AUX
gi-4778	49	24	use	use	NOUN
gi-4778	49	25	as	as	ADP
gi-4778	49	26	an	an	DET
gi-4778	49	27	alternative	alternative	NOUN
gi-4778	49	28	to	to	ADP
gi-4778	49	29	levelling	level	VERB
gi-4778	49	30	survey	survey	NOUN
gi-4778	49	31	method	method	NOUN
gi-4778	49	32	?	?	PUNCT
gi-4778	50	1	•	•	NOUN
gi-4778	50	2	under	under	ADP
gi-4778	50	3	what	what	DET
gi-4778	50	4	conditions	condition	NOUN
gi-4778	50	5	do	do	AUX
gi-4778	50	6	the	the	DET
gi-4778	50	7	various	various	ADJ
gi-4778	50	8	methods	method	NOUN
gi-4778	50	9	apply	apply	VERB
gi-4778	50	10	?	?	PUNCT
gi-4778	51	1	•	•	NUM
gi-4778	51	2	what	what	PRON
gi-4778	51	3	was	be	AUX
gi-4778	51	4	the	the	DET
gi-4778	51	5	order	order	NOUN
gi-4778	51	6	of	of	ADP
gi-4778	51	7	ranking	ranking	NOUN
gi-4778	51	8	of	of	ADP
gi-4778	51	9	the	the	DET
gi-4778	51	10	various	various	ADJ
gi-4778	51	11	methods	method	NOUN
gi-4778	51	12	?	?	PUNCT
gi-4778	52	1	•	•	NUM
gi-4778	52	2	what	what	PRON
gi-4778	52	3	is	be	AUX
gi-4778	52	4	the	the	DET
gi-4778	52	5	justification	justification	NOUN
gi-4778	52	6	for	for	ADP
gi-4778	52	7	the	the	DET
gi-4778	52	8	alternative	alternative	ADJ
gi-4778	52	9	choice	choice	NOUN
gi-4778	52	10	to	to	ADP
gi-4778	52	11	a	a	DET
gi-4778	52	12	given	give	VERB
gi-4778	52	13	project	project	NOUN
gi-4778	52	14	?	?	PUNCT
gi-4778	53	1	1.7	1.7	NUM
gi-4778	53	2	.	.	PUNCT
gi-4778	54	1	limitation	limitation	NOUN
gi-4778	54	2	of	of	ADP
gi-4778	54	3	the	the	DET
gi-4778	54	4	research	research	NOUN
gi-4778	54	5	work	work	NOUN
gi-4778	54	6	•	•	ADP
gi-4778	54	7	the	the	DET
gi-4778	54	8	various	various	ADJ
gi-4778	54	9	methods	method	NOUN
gi-4778	54	10	applied	apply	VERB
gi-4778	54	11	operates	operate	NOUN
gi-4778	54	12	at	at	ADP
gi-4778	54	13	different	different	ADJ
gi-4778	54	14	spatial	spatial	ADJ
gi-4778	54	15	resolution	resolution	NOUN
gi-4778	54	16	•	•	ADP
gi-4778	54	17	the	the	DET
gi-4778	54	18	epoch	epoch	NOUN
gi-4778	54	19	at	at	ADP
gi-4778	54	20	which	which	PRON
gi-4778	54	21	the	the	DET
gi-4778	54	22	various	various	ADJ
gi-4778	54	23	methods	method	NOUN
gi-4778	54	24	operate	operate	VERB
gi-4778	54	25	are	be	AUX
gi-4778	54	26	not	not	PART
gi-4778	54	27	the	the	DET
gi-4778	54	28	same	same	ADJ
gi-4778	54	29	2	2	NUM
gi-4778	54	30	.	.	PUNCT
gi-4778	54	31	lidar	lidar	NOUN
gi-4778	54	32	,	,	PUNCT
gi-4778	54	33	srtm	srtm	NOUN
gi-4778	54	34	,	,	PUNCT
gi-4778	54	35	and	and	CCONJ
gi-4778	54	36	aster	aster	NOUN
gi-4778	54	37	gdem	gdem	PROPN
gi-4778	54	38	data	data	VERB
gi-4778	54	39	the	the	DET
gi-4778	54	40	digital	digital	ADJ
gi-4778	54	41	elevation	elevation	NOUN
gi-4778	54	42	model	model	NOUN
gi-4778	54	43	(	(	PUNCT
gi-4778	54	44	dem	dem	NOUN
gi-4778	54	45	)	)	PUNCT
gi-4778	54	46	acquired	acquire	VERB
gi-4778	54	47	for	for	ADP
gi-4778	54	48	the	the	DET
gi-4778	54	49	research	research	NOUN
gi-4778	54	50	was	be	AUX
gi-4778	54	51	a	a	DET
gi-4778	54	52	90	90	NUM
gi-4778	54	53	m	m	NOUN
gi-4778	54	54	spatial	spatial	ADJ
gi-4778	54	55	resolution	resolution	NOUN
gi-4778	54	56	srtm	srtm	NOUN
gi-4778	54	57	version	version	NOUN
gi-4778	54	58	4.1	4.1	NUM
gi-4778	54	59	which	which	PRON
gi-4778	54	60	corresponds	correspond	VERB
gi-4778	54	61	to	to	ADP
gi-4778	54	62	the	the	DET
gi-4778	54	63	study	study	NOUN
gi-4778	54	64	areas	area	NOUN
gi-4778	54	65	.	.	PUNCT
gi-4778	55	1	it	it	PRON
gi-4778	55	2	was	be	AUX
gi-4778	55	3	downloaded	download	VERB
gi-4778	55	4	from	from	ADP
gi-4778	55	5	the	the	DET
gi-4778	55	6	site	site	NOUN
gi-4778	55	7	http://srtm.csi.cgiar.org	http://srtm.csi.cgiar.org	NOUN
gi-4778	55	8	.	.	PUNCT
gi-4778	56	1	it	it	PRON
gi-4778	56	2	is	be	AUX
gi-4778	56	3	available	available	ADJ
gi-4778	56	4	in	in	ADP
gi-4778	56	5	5	5	NUM
gi-4778	56	6	degree	degree	NOUN
gi-4778	56	7	×	×	NOUN
gi-4778	56	8	5	5	NUM
gi-4778	56	9	degree	degree	NOUN
gi-4778	56	10	tiles	tile	NOUN
gi-4778	56	11	,	,	PUNCT
gi-4778	56	12	in	in	ADP
gi-4778	56	13	geographic	geographic	ADJ
gi-4778	56	14	decimal	decimal	ADJ
gi-4778	56	15	degrees	degree	NOUN
gi-4778	56	16	projection	projection	NOUN
gi-4778	56	17	,	,	PUNCT
gi-4778	56	18	with	with	ADP
gi-4778	56	19	wgs84	wgs84	PROPN
gi-4778	56	20	(	(	PUNCT
gi-4778	56	21	world	world	NOUN
gi-4778	56	22	geodetic	geodetic	ADJ
gi-4778	56	23	system	system	NOUN
gi-4778	56	24	of	of	ADP
gi-4778	56	25	1984	1984	NUM
gi-4778	56	26	)	)	PUNCT
gi-4778	56	27	horizontal	horizontal	ADJ
gi-4778	56	28	datum	datum	NOUN
gi-4778	56	29	and	and	CCONJ
gi-4778	56	30	egm96	egm96	PROPN
gi-4778	56	31	(	(	PUNCT
gi-4778	56	32	earth	earth	NOUN
gi-4778	56	33	gravity	gravity	NOUN
gi-4778	56	34	model	model	NOUN
gi-4778	56	35	)	)	PUNCT
gi-4778	56	36	vertical	vertical	ADJ
gi-4778	56	37	datum	datum	PROPN
gi-4778	56	38	,	,	PUNCT
gi-4778	56	39	(	(	PUNCT
gi-4778	56	40	colombo	colombo	NOUN
gi-4778	56	41	,	,	PUNCT
gi-4778	56	42	1986	1986	NUM
gi-4778	56	43	)	)	PUNCT
gi-4778	56	44	.	.	PUNCT
gi-4778	57	1	this	this	DET
gi-4778	57	2	version	version	NOUN
gi-4778	57	3	4.1	4.1	NUM
gi-4778	57	4	was	be	AUX
gi-4778	57	5	chosen	choose	VERB
gi-4778	57	6	for	for	ADP
gi-4778	57	7	this	this	DET
gi-4778	57	8	research	research	NOUN
gi-4778	57	9	because	because	SCONJ
gi-4778	57	10	it	it	PRON
gi-4778	57	11	has	have	AUX
gi-4778	57	12	been	be	AUX
gi-4778	57	13	updated	update	VERB
gi-4778	57	14	,	,	PUNCT
gi-4778	57	15	and	and	CCONJ
gi-4778	57	16	then	then	ADV
gi-4778	57	17	released	release	VERB
gi-4778	57	18	after	after	ADP
gi-4778	57	19	using	use	VERB
gi-4778	57	20	sophisticated	sophisticated	ADJ
gi-4778	57	21	interpolation	interpolation	NOUN
gi-4778	57	22	and	and	CCONJ
gi-4778	57	23	hole	hole	NOUN
gi-4778	57	24	-	-	PUNCT
gi-4778	57	25	filling	fill	VERB
gi-4778	57	26	algorithms	algorithm	NOUN
gi-4778	57	27	(	(	PUNCT
gi-4778	57	28	www.cgiar-csi.org	www.cgiar-csi.org	PROPN
gi-4778	57	29	)	)	PUNCT
gi-4778	57	30	.	.	PUNCT
gi-4778	58	1	figure	figure	NOUN
gi-4778	58	2	2	2	NUM
gi-4778	58	3	shows	show	VERB
gi-4778	58	4	a	a	DET
gi-4778	58	5	typical	typical	ADJ
gi-4778	58	6	srtm	srtm	NOUN
gi-4778	58	7	data	datum	NOUN
gi-4778	58	8	,	,	PUNCT
gi-4778	58	9	(	(	PUNCT
gi-4778	58	10	rodriguez	rodriguez	NOUN
gi-4778	58	11	,	,	PUNCT
gi-4778	58	12	et.al	et.al	PROPN
gi-4778	58	13	,	,	PUNCT
gi-4778	58	14	2005	2005	NUM
gi-4778	58	15	)	)	PUNCT
gi-4778	58	16	.	.	PUNCT
gi-4778	59	1	geoinformatics	geoinformatic	NOUN
gi-4778	59	2	fce	fce	VERB
gi-4778	59	3	ctu	ctu	NOUN
gi-4778	59	4	17(1	17(1	NOUN
gi-4778	59	5	)	)	PUNCT
gi-4778	59	6	,	,	PUNCT
gi-4778	59	7	2018	2018	NUM
gi-4778	59	8	48	48	NUM
gi-4778	59	9	http://srtm.cgiar.csi.org	http://srtm.cgiar.csi.org	PROPN
gi-4778	59	10	o.	o.	PROPN
gi-4778	59	11	g.	g.	PROPN
gi-4778	60	1	omogunloye	omogunloye	PROPN
gi-4778	60	2	et	et	PROPN
gi-4778	60	3	al	al	PROPN
gi-4778	60	4	.	.	PROPN
gi-4778	60	5	:	:	PUNCT
gi-4778	61	1	an	an	DET
gi-4778	61	2	alternative	alternative	ADJ
gi-4778	61	3	choice	choice	NOUN
gi-4778	61	4	in	in	ADP
gi-4778	61	5	heighting	heighting	ADJ
gi-4778	61	6	figure	figure	NOUN
gi-4778	61	7	3	3	NUM
gi-4778	61	8	:	:	PUNCT
gi-4778	61	9	aster	aster	NOUN
gi-4778	61	10	gdem	gdem	PROPN
gi-4778	61	11	data	datum	NOUN
gi-4778	61	12	from	from	ADP
gi-4778	61	13	the	the	DET
gi-4778	61	14	site	site	NOUN
gi-4778	61	15	http://earthdata.nasa.gov	http://earthdata.nasa.gov	NOUN
gi-4778	61	16	aster	aster	NOUN
gi-4778	61	17	dem	dem	NOUN
gi-4778	61	18	(	(	PUNCT
gi-4778	61	19	digital	digital	ADJ
gi-4778	61	20	elevation	elevation	NOUN
gi-4778	61	21	model	model	NOUN
gi-4778	61	22	)	)	PUNCT
gi-4778	61	23	version	version	NOUN
gi-4778	61	24	2	2	NUM
gi-4778	61	25	corresponding	correspond	VERB
gi-4778	61	26	to	to	ADP
gi-4778	61	27	the	the	DET
gi-4778	61	28	same	same	ADJ
gi-4778	61	29	study	study	NOUN
gi-4778	61	30	areas	area	NOUN
gi-4778	61	31	was	be	AUX
gi-4778	61	32	downloaded	download	VERB
gi-4778	61	33	from	from	ADP
gi-4778	61	34	https://earthdata.nasa.gov	https://earthdata.nasa.gov	PROPN
gi-4778	61	35	,	,	PUNCT
gi-4778	61	36	which	which	PRON
gi-4778	61	37	are	be	AUX
gi-4778	61	38	posted	post	VERB
gi-4778	61	39	on	on	ADP
gi-4778	61	40	a	a	DET
gi-4778	61	41	1	1	NUM
gi-4778	61	42	arc	arc	NOUN
gi-4778	61	43	-	-	PUNCT
gi-4778	61	44	second	second	ADJ
gi-4778	61	45	(	(	PUNCT
gi-4778	61	46	approximately	approximately	ADV
gi-4778	61	47	30	30	NUM
gi-4778	61	48	-	-	PUNCT
gi-4778	61	49	m	m	NOUN
gi-4778	61	50	at	at	ADP
gi-4778	61	51	the	the	DET
gi-4778	61	52	equator	equator	NOUN
gi-4778	61	53	)	)	PUNCT
gi-4778	61	54	grid	grid	NOUN
gi-4778	61	55	,	,	PUNCT
gi-4778	61	56	distributed	distribute	VERB
gi-4778	61	57	as	as	ADP
gi-4778	61	58	1	1	NUM
gi-4778	61	59	°	°	NOUN
gi-4778	61	60	×	×	NOUN
gi-4778	61	61	1	1	NUM
gi-4778	61	62	°	°	PROPN
gi-4778	61	63	tiles	tile	NOUN
gi-4778	61	64	and	and	CCONJ
gi-4778	61	65	referenced	reference	VERB
gi-4778	61	66	to	to	ADP
gi-4778	61	67	the	the	DET
gi-4778	61	68	world	world	NOUN
gi-4778	61	69	geodetic	geodetic	ADJ
gi-4778	61	70	system	system	NOUN
gi-4778	61	71	,	,	PUNCT
gi-4778	61	72	1984	1984	NUM
gi-4778	61	73	(	(	PUNCT
gi-4778	61	74	wgs84)/	wgs84)/	ADJ
gi-4778	61	75	earth	earth	NOUN
gi-4778	61	76	gravitational	gravitational	ADJ
gi-4778	61	77	model	model	NOUN
gi-4778	61	78	1996	1996	NUM
gi-4778	61	79	(	(	PUNCT
gi-4778	61	80	egm96	egm96	ADJ
gi-4778	61	81	)	)	PUNCT
gi-4778	61	82	geoid	geoid	NOUN
gi-4778	61	83	.	.	PUNCT
gi-4778	62	1	a	a	DET
gi-4778	62	2	5	5	NUM
gi-4778	62	3	-	-	PUNCT
gi-4778	62	4	m	m	NOUN
gi-4778	62	5	overall	overall	ADJ
gi-4778	62	6	bias	bias	NOUN
gi-4778	62	7	observed	observe	VERB
gi-4778	62	8	on	on	ADP
gi-4778	62	9	gdem	gdem	PROPN
gi-4778	62	10	1.0	1.0	NUM
gi-4778	62	11	was	be	AUX
gi-4778	62	12	removed	remove	VERB
gi-4778	62	13	in	in	ADP
gi-4778	62	14	this	this	DET
gi-4778	62	15	version	version	NOUN
gi-4778	62	16	2	2	NUM
gi-4778	62	17	by	by	ADP
gi-4778	62	18	aster	aster	NOUN
gi-4778	62	19	gdem	gdem	PROPN
gi-4778	62	20	validation	validation	NOUN
gi-4778	62	21	team	team	NOUN
gi-4778	62	22	,	,	PUNCT
gi-4778	62	23	2009	2009	NUM
gi-4778	62	24	.	.	PUNCT
gi-4778	63	1	figure	figure	NOUN
gi-4778	63	2	3	3	NUM
gi-4778	63	3	shows	show	VERB
gi-4778	63	4	a	a	DET
gi-4778	63	5	typical	typical	ADJ
gi-4778	63	6	aster	aster	NOUN
gi-4778	63	7	gdem	gdem	PROPN
gi-4778	63	8	data	data	PROPN
gi-4778	63	9	.	.	PUNCT
gi-4778	64	1	lidar	lidar	NOUN
gi-4778	64	2	is	be	AUX
gi-4778	64	3	a	a	DET
gi-4778	64	4	direct	direct	ADJ
gi-4778	64	5	acquisition	acquisition	NOUN
gi-4778	64	6	system	system	NOUN
gi-4778	64	7	,	,	PUNCT
gi-4778	64	8	in	in	ADP
gi-4778	64	9	which	which	PRON
gi-4778	64	10	obtaining	obtain	VERB
gi-4778	64	11	ground	ground	NOUN
gi-4778	64	12	points	point	NOUN
gi-4778	64	13	is	be	AUX
gi-4778	64	14	performed	perform	VERB
gi-4778	64	15	in	in	ADP
gi-4778	64	16	a	a	DET
gi-4778	64	17	global	global	ADJ
gi-4778	64	18	reference	reference	NOUN
gi-4778	64	19	system	system	NOUN
gi-4778	64	20	,	,	PUNCT
gi-4778	64	21	through	through	ADP
gi-4778	64	22	the	the	DET
gi-4778	64	23	use	use	NOUN
gi-4778	64	24	of	of	ADP
gi-4778	64	25	gps	gps	PROPN
gi-4778	64	26	and	and	CCONJ
gi-4778	64	27	inertial	inertial	NOUN
gi-4778	64	28	systems	system	NOUN
gi-4778	64	29	that	that	PRON
gi-4778	64	30	control	control	VERB
gi-4778	64	31	the	the	DET
gi-4778	64	32	position	position	NOUN
gi-4778	64	33	and	and	CCONJ
gi-4778	64	34	orientation	orientation	NOUN
gi-4778	64	35	of	of	ADP
gi-4778	64	36	the	the	DET
gi-4778	64	37	scanner	scanner	NOUN
gi-4778	64	38	during	during	ADP
gi-4778	64	39	the	the	DET
gi-4778	64	40	capture	capture	NOUN
gi-4778	64	41	of	of	ADP
gi-4778	64	42	information	information	NOUN
gi-4778	64	43	.	.	PUNCT
gi-4778	65	1	the	the	DET
gi-4778	65	2	determination	determination	NOUN
gi-4778	65	3	of	of	ADP
gi-4778	65	4	the	the	DET
gi-4778	65	5	coordinates	coordinate	NOUN
gi-4778	65	6	of	of	ADP
gi-4778	65	7	points	point	NOUN
gi-4778	65	8	is	be	AUX
gi-4778	65	9	obtained	obtain	VERB
gi-4778	65	10	from	from	ADP
gi-4778	65	11	the	the	DET
gi-4778	65	12	position	position	NOUN
gi-4778	65	13	and	and	CCONJ
gi-4778	65	14	orientation	orientation	NOUN
gi-4778	65	15	of	of	ADP
gi-4778	65	16	the	the	DET
gi-4778	65	17	scanner	scanner	NOUN
gi-4778	65	18	at	at	ADP
gi-4778	65	19	every	every	DET
gi-4778	65	20	moment	moment	NOUN
gi-4778	65	21	and	and	CCONJ
gi-4778	65	22	the	the	DET
gi-4778	65	23	distance	distance	NOUN
gi-4778	65	24	observed	observe	VERB
gi-4778	65	25	at	at	ADP
gi-4778	65	26	each	each	DET
gi-4778	65	27	point	point	NOUN
gi-4778	65	28	.	.	PUNCT
gi-4778	66	1	through	through	ADP
gi-4778	66	2	this	this	DET
gi-4778	66	3	data	datum	NOUN
gi-4778	66	4	capture	capture	NOUN
gi-4778	66	5	system	system	NOUN
gi-4778	66	6	,	,	PUNCT
gi-4778	66	7	(	(	PUNCT
gi-4778	66	8	becker	becker	NOUN
gi-4778	66	9	,	,	PUNCT
gi-4778	66	10	1986	1986	NUM
gi-4778	66	11	)	)	PUNCT
gi-4778	66	12	,	,	PUNCT
gi-4778	66	13	it	it	PRON
gi-4778	66	14	is	be	AUX
gi-4778	66	15	possible	possible	ADJ
gi-4778	66	16	to	to	PART
gi-4778	66	17	obtain	obtain	VERB
gi-4778	66	18	a	a	DET
gi-4778	66	19	set	set	NOUN
gi-4778	66	20	of	of	ADP
gi-4778	66	21	points	point	NOUN
gi-4778	66	22	whose	whose	DET
gi-4778	66	23	reference	reference	NOUN
gi-4778	66	24	system	system	NOUN
gi-4778	66	25	will	will	AUX
gi-4778	66	26	be	be	AUX
gi-4778	66	27	wgs84	wgs84	PROPN
gi-4778	66	28	.	.	PUNCT
gi-4778	67	1	figure	figure	NOUN
gi-4778	67	2	4	4	NUM
gi-4778	67	3	shows	show	VERB
gi-4778	67	4	a	a	DET
gi-4778	67	5	typical	typical	ADJ
gi-4778	67	6	lidar	lidar	NOUN
gi-4778	67	7	data	datum	NOUN
gi-4778	67	8	.	.	PUNCT
gi-4778	68	1	figure	figure	VERB
gi-4778	68	2	4	4	NUM
gi-4778	68	3	:	:	PUNCT
gi-4778	68	4	lidar	lidar	NOUN
gi-4778	68	5	data	datum	NOUN
gi-4778	68	6	obtained	obtain	VERB
gi-4778	68	7	from	from	ADP
gi-4778	68	8	the	the	DET
gi-4778	68	9	surveyor	surveyor	NOUN
gi-4778	68	10	general	general	ADJ
gi-4778	68	11	office	office	NOUN
gi-4778	68	12	.	.	PUNCT
gi-4778	69	1	geoinformatics	geoinformatic	NOUN
gi-4778	69	2	fce	fce	VERB
gi-4778	69	3	ctu	ctu	NOUN
gi-4778	69	4	17(1	17(1	NOUN
gi-4778	69	5	)	)	PUNCT
gi-4778	69	6	,	,	PUNCT
gi-4778	69	7	2018	2018	NUM
gi-4778	69	8	49	49	NUM
gi-4778	69	9	http://earthdata.nasa.gov	http://earthdata.nasa.gov	NOUN
gi-4778	69	10	https://earthdata.nasa.gov	https://earthdata.nasa.gov	NOUN
gi-4778	70	1	o.	o.	PROPN
gi-4778	70	2	g.	g.	PROPN
gi-4778	71	1	omogunloye	omogunloye	PROPN
gi-4778	71	2	et	et	PROPN
gi-4778	71	3	al	al	PROPN
gi-4778	71	4	.	.	PROPN
gi-4778	71	5	:	:	PUNCT
gi-4778	72	1	an	an	DET
gi-4778	72	2	alternative	alternative	ADJ
gi-4778	72	3	choice	choice	NOUN
gi-4778	72	4	in	in	ADP
gi-4778	72	5	heighting	heighting	PROPN
gi-4778	72	6	2.1	2.1	NUM
gi-4778	72	7	.	.	PUNCT
gi-4778	73	1	data	datum	NOUN
gi-4778	73	2	set	set	VERB
gi-4778	73	3	and	and	CCONJ
gi-4778	73	4	field	field	NOUN
gi-4778	73	5	observation	observation	NOUN
gi-4778	73	6	from	from	ADP
gi-4778	73	7	the	the	DET
gi-4778	73	8	reconnaissance	reconnaissance	NOUN
gi-4778	73	9	survey	survey	NOUN
gi-4778	73	10	carried	carry	VERB
gi-4778	73	11	out	out	ADP
gi-4778	73	12	,	,	PUNCT
gi-4778	73	13	unilag	unilag	NOUN
gi-4778	73	14	1	1	NUM
gi-4778	73	15	control	control	NOUN
gi-4778	73	16	point	point	NOUN
gi-4778	73	17	was	be	AUX
gi-4778	73	18	selected	select	VERB
gi-4778	73	19	as	as	ADP
gi-4778	73	20	the	the	DET
gi-4778	73	21	base	base	NOUN
gi-4778	73	22	station	station	NOUN
gi-4778	73	23	for	for	ADP
gi-4778	73	24	our	our	PRON
gi-4778	73	25	gps	gps	NOUN
gi-4778	73	26	survey	survey	NOUN
gi-4778	73	27	;	;	PUNCT
gi-4778	73	28	all	all	DET
gi-4778	73	29	other	other	ADJ
gi-4778	73	30	control	control	NOUN
gi-4778	73	31	points	point	NOUN
gi-4778	73	32	serve	serve	VERB
gi-4778	73	33	as	as	ADP
gi-4778	73	34	the	the	DET
gi-4778	73	35	rover	rover	NOUN
gi-4778	73	36	stations	station	NOUN
gi-4778	73	37	,	,	PUNCT
gi-4778	73	38	(	(	PUNCT
gi-4778	73	39	colombo	colombo	NOUN
gi-4778	73	40	,	,	PUNCT
gi-4778	73	41	1986	1986	NUM
gi-4778	73	42	)	)	PUNCT
gi-4778	73	43	.	.	PUNCT
gi-4778	74	1	having	having	AUX
gi-4778	74	2	carried	carry	VERB
gi-4778	74	3	out	out	ADP
gi-4778	74	4	the	the	DET
gi-4778	74	5	gps	gps	PROPN
gi-4778	74	6	survey	survey	NOUN
gi-4778	74	7	as	as	SCONJ
gi-4778	74	8	stated	state	VERB
gi-4778	74	9	above	above	ADV
gi-4778	74	10	,	,	PUNCT
gi-4778	74	11	the	the	DET
gi-4778	74	12	x	x	PROPN
gi-4778	74	13	,	,	PUNCT
gi-4778	74	14	y	y	PROPN
gi-4778	74	15	,	,	PUNCT
gi-4778	74	16	and	and	CCONJ
gi-4778	74	17	z	z	NOUN
gi-4778	74	18	coordinates	coordinate	NOUN
gi-4778	74	19	of	of	ADP
gi-4778	74	20	all	all	DET
gi-4778	74	21	the	the	DET
gi-4778	74	22	observed	observe	VERB
gi-4778	74	23	control	control	NOUN
gi-4778	74	24	points	point	NOUN
gi-4778	74	25	was	be	AUX
gi-4778	74	26	then	then	ADV
gi-4778	74	27	downloaded	download	VERB
gi-4778	74	28	from	from	ADP
gi-4778	74	29	the	the	DET
gi-4778	74	30	gps	gps	PROPN
gi-4778	74	31	via	via	ADP
gi-4778	74	32	downloading	download	VERB
gi-4778	74	33	cable	cable	NOUN
gi-4778	74	34	,	,	PUNCT
gi-4778	74	35	(	(	PUNCT
gi-4778	74	36	colombo	colombo	NOUN
gi-4778	74	37	,	,	PUNCT
gi-4778	74	38	1989	1989	NUM
gi-4778	74	39	)	)	PUNCT
gi-4778	74	40	.	.	PUNCT
gi-4778	75	1	with	with	ADP
gi-4778	75	2	unilag	unilag	NOUN
gi-4778	75	3	1	1	NUM
gi-4778	75	4	as	as	ADP
gi-4778	75	5	the	the	DET
gi-4778	75	6	reference	reference	NOUN
gi-4778	75	7	station	station	NOUN
gi-4778	75	8	,	,	PUNCT
gi-4778	75	9	we	we	PRON
gi-4778	75	10	carried	carry	VERB
gi-4778	75	11	out	out	ADP
gi-4778	75	12	the	the	DET
gi-4778	75	13	levelling	levelling	NOUN
gi-4778	75	14	survey	survey	NOUN
gi-4778	75	15	across	across	ADP
gi-4778	75	16	all	all	DET
gi-4778	75	17	the	the	DET
gi-4778	75	18	existing	exist	VERB
gi-4778	75	19	control	control	NOUN
gi-4778	75	20	points	point	NOUN
gi-4778	75	21	within	within	ADP
gi-4778	75	22	university	university	NOUN
gi-4778	75	23	of	of	ADP
gi-4778	75	24	lagos	lago	NOUN
gi-4778	75	25	.	.	PUNCT
gi-4778	76	1	it	it	PRON
gi-4778	76	2	was	be	AUX
gi-4778	76	3	a	a	DET
gi-4778	76	4	closed	closed	ADJ
gi-4778	76	5	loop	loop	NOUN
gi-4778	76	6	levelling	levelling	NOUN
gi-4778	76	7	network	network	NOUN
gi-4778	76	8	that	that	PRON
gi-4778	76	9	was	be	AUX
gi-4778	76	10	run	run	VERB
gi-4778	76	11	across	across	ADP
gi-4778	76	12	all	all	DET
gi-4778	76	13	the	the	DET
gi-4778	76	14	controls	control	NOUN
gi-4778	76	15	.	.	PUNCT
gi-4778	77	1	the	the	DET
gi-4778	77	2	data	datum	NOUN
gi-4778	77	3	acquired	acquire	VERB
gi-4778	77	4	from	from	ADP
gi-4778	77	5	the	the	DET
gi-4778	77	6	levelling	levelling	NOUN
gi-4778	77	7	network	network	NOUN
gi-4778	77	8	was	be	AUX
gi-4778	77	9	then	then	ADV
gi-4778	77	10	reduced	reduce	VERB
gi-4778	77	11	using	use	VERB
gi-4778	77	12	the	the	DET
gi-4778	77	13	height	height	NOUN
gi-4778	77	14	of	of	ADP
gi-4778	77	15	collimation	collimation	NOUN
gi-4778	77	16	method	method	NOUN
gi-4778	77	17	(	(	PUNCT
gi-4778	77	18	see	see	VERB
gi-4778	77	19	later	later	ADV
gi-4778	77	20	)	)	PUNCT
gi-4778	77	21	,	,	PUNCT
gi-4778	77	22	to	to	PART
gi-4778	77	23	obtain	obtain	VERB
gi-4778	77	24	the	the	DET
gi-4778	77	25	geoidal	geoidal	ADJ
gi-4778	77	26	heights	height	NOUN
gi-4778	77	27	for	for	ADP
gi-4778	77	28	all	all	DET
gi-4778	77	29	the	the	DET
gi-4778	77	30	observed	observed	ADJ
gi-4778	77	31	control	control	NOUN
gi-4778	77	32	points	point	NOUN
gi-4778	77	33	.	.	PUNCT
gi-4778	78	1	having	having	AUX
gi-4778	78	2	known	know	VERB
gi-4778	78	3	the	the	DET
gi-4778	78	4	geoidal	geoidal	ADJ
gi-4778	78	5	heights	height	NOUN
gi-4778	78	6	,	,	PUNCT
gi-4778	78	7	the	the	DET
gi-4778	78	8	required	require	VERB
gi-4778	78	9	orthometric	orthometric	ADJ
gi-4778	78	10	heights	height	NOUN
gi-4778	78	11	were	be	AUX
gi-4778	78	12	then	then	ADV
gi-4778	78	13	obtained	obtain	VERB
gi-4778	78	14	using	use	VERB
gi-4778	78	15	the	the	DET
gi-4778	78	16	relation	relation	NOUN
gi-4778	78	17	,	,	PUNCT
gi-4778	78	18	(	(	PUNCT
gi-4778	78	19	heister	heister	NOUN
gi-4778	78	20	et	et	PROPN
gi-4778	78	21	al	al	PROPN
gi-4778	78	22	.	.	PROPN
gi-4778	78	23	,	,	PUNCT
gi-4778	78	24	1999	1999	NUM
gi-4778	78	25	.	.	PUNCT
gi-4778	79	1	hofmann	hofmann	PROPN
gi-4778	79	2	–	–	PUNCT
gi-4778	79	3	wellenhof	wellenhof	NOUN
gi-4778	79	4	et	et	PROPN
gi-4778	79	5	al	al	PROPN
gi-4778	79	6	.	.	PROPN
gi-4778	79	7	,	,	PUNCT
gi-4778	79	8	2008	2008	NUM
gi-4778	79	9	)	)	PUNCT
gi-4778	79	10	.	.	PUNCT
gi-4778	80	1	h	h	NOUN
gi-4778	81	1	=	=	NOUN
gi-4778	81	2	h−n	h−n	PROPN
gi-4778	81	3	all	all	DET
gi-4778	81	4	necessary	necessary	ADJ
gi-4778	81	5	procedures	procedure	NOUN
gi-4778	81	6	and	and	CCONJ
gi-4778	81	7	precautions	precaution	NOUN
gi-4778	81	8	that	that	PRON
gi-4778	81	9	ensure	ensure	VERB
gi-4778	81	10	the	the	DET
gi-4778	81	11	utmost	utmost	ADJ
gi-4778	81	12	accuracy	accuracy	NOUN
gi-4778	81	13	of	of	ADP
gi-4778	81	14	the	the	DET
gi-4778	81	15	survey	survey	NOUN
gi-4778	81	16	were	be	AUX
gi-4778	81	17	used	use	VERB
gi-4778	81	18	.	.	PUNCT
gi-4778	82	1	the	the	DET
gi-4778	82	2	gps	gps	PROPN
gi-4778	82	3	survey	survey	NOUN
gi-4778	82	4	was	be	AUX
gi-4778	82	5	connected	connect	VERB
gi-4778	82	6	to	to	ADP
gi-4778	82	7	national	national	ADJ
gi-4778	82	8	grid	grid	NOUN
gi-4778	82	9	and	and	CCONJ
gi-4778	82	10	the	the	DET
gi-4778	82	11	level	level	NOUN
gi-4778	82	12	survey	survey	NOUN
gi-4778	82	13	connected	connect	VERB
gi-4778	82	14	to	to	ADP
gi-4778	82	15	the	the	DET
gi-4778	82	16	mean	mean	PROPN
gi-4778	82	17	sea	sea	NOUN
gi-4778	82	18	level	level	NOUN
gi-4778	82	19	.	.	PUNCT
gi-4778	83	1	2.2	2.2	NUM
gi-4778	83	2	.	.	PUNCT
gi-4778	84	1	gps	gps	PROPN
gi-4778	84	2	downloaded	download	VERB
gi-4778	84	3	coordinates	coordinate	NOUN
gi-4778	84	4	for	for	ADP
gi-4778	84	5	observed	observed	ADJ
gi-4778	84	6	control	control	NOUN
gi-4778	84	7	points	point	NOUN
gi-4778	84	8	in	in	ADP
gi-4778	84	9	this	this	DET
gi-4778	84	10	research	research	NOUN
gi-4778	84	11	work	work	NOUN
gi-4778	84	12	,	,	PUNCT
gi-4778	84	13	the	the	DET
gi-4778	84	14	gps	gps	PROPN
gi-4778	84	15	observation	observation	NOUN
gi-4778	84	16	has	have	AUX
gi-4778	84	17	been	be	AUX
gi-4778	84	18	carried	carry	VERB
gi-4778	84	19	out	out	ADP
gi-4778	84	20	on	on	ADP
gi-4778	84	21	44	44	NUM
gi-4778	84	22	control	control	NOUN
gi-4778	84	23	points	point	NOUN
gi-4778	84	24	within	within	ADP
gi-4778	84	25	the	the	DET
gi-4778	84	26	university	university	NOUN
gi-4778	84	27	of	of	ADP
gi-4778	84	28	lagos	lago	NOUN
gi-4778	84	29	,	,	PUNCT
gi-4778	84	30	to	to	PART
gi-4778	84	31	obtained	obtain	VERB
gi-4778	84	32	accurate	accurate	ADJ
gi-4778	84	33	three	three	NUM
gi-4778	84	34	dimensional	dimensional	ADJ
gi-4778	84	35	coordinates	coordinate	NOUN
gi-4778	84	36	of	of	ADP
gi-4778	84	37	all	all	DET
gi-4778	84	38	the	the	DET
gi-4778	84	39	observed	observe	VERB
gi-4778	84	40	controls	control	NOUN
gi-4778	84	41	points	point	NOUN
gi-4778	84	42	(	(	PUNCT
gi-4778	84	43	with	with	ADP
gi-4778	84	44	a	a	DET
gi-4778	84	45	precision	precision	NOUN
gi-4778	84	46	of	of	ADP
gi-4778	84	47	1	1	NUM
gi-4778	84	48	part	part	NOUN
gi-4778	84	49	per	per	ADP
gi-4778	84	50	million	million	NUM
gi-4778	84	51	)	)	PUNCT
gi-4778	84	52	.	.	PUNCT
gi-4778	85	1	sample	sample	NOUN
gi-4778	85	2	table	table	NOUN
gi-4778	85	3	1	1	NUM
gi-4778	85	4	shows	show	VERB
gi-4778	85	5	the	the	DET
gi-4778	85	6	downloaded	download	VERB
gi-4778	85	7	coordinates	coordinate	NOUN
gi-4778	85	8	of	of	ADP
gi-4778	85	9	control	control	NOUN
gi-4778	85	10	points	point	NOUN
gi-4778	85	11	observed	observe	VERB
gi-4778	85	12	,	,	PUNCT
gi-4778	85	13	(	(	PUNCT
gi-4778	85	14	colombo	colombo	NOUN
gi-4778	85	15	,	,	PUNCT
gi-4778	85	16	1989	1989	NUM
gi-4778	85	17	)	)	PUNCT
gi-4778	85	18	.	.	PUNCT
gi-4778	86	1	table	table	NOUN
gi-4778	86	2	1	1	NUM
gi-4778	86	3	:	:	PUNCT
gi-4778	86	4	coordinates	coordinate	NOUN
gi-4778	86	5	of	of	ADP
gi-4778	86	6	observed	observed	ADJ
gi-4778	86	7	controls	control	NOUN
gi-4778	86	8	and	and	CCONJ
gi-4778	86	9	ed015	ed015	NOUN
gi-4778	86	10	their	their	PRON
gi-4778	86	11	geoidal	geoidal	ADJ
gi-4778	86	12	heights	height	NOUN
gi-4778	86	13	station	station	NOUN
gi-4778	86	14	i	i	PROPN
gi-4778	86	15	d	d	PROPN
gi-4778	86	16	orthometric	orthometric	ADJ
gi-4778	86	17	heights	height	NOUN
gi-4778	86	18	(	(	PUNCT
gi-4778	86	19	m	m	NOUN
gi-4778	86	20	)	)	PUNCT
gi-4778	86	21	levelling	levelling	NOUN
gi-4778	86	22	/	/	SYM
gi-4778	86	23	gps	gps	PROPN
gi-4778	86	24	lidar	lidar	NOUN
gi-4778	86	25	srtm	srtm	NOUN
gi-4778	86	26	aster	aster	NOUN
gi-4778	86	27	gdem	gdem	VERB
gi-4778	86	28	ytt28/186	ytt28/186	ADJ
gi-4778	86	29	1.234	1.234	NUM
gi-4778	86	30	1.496	1.496	NUM
gi-4778	86	31	12.000	12.000	NUM
gi-4778	86	32	6.795	6.795	NUM
gi-4778	86	33	ed015	ed015	PROPN
gi-4778	86	34	4.970	4.970	NUM
gi-4778	86	35	4.556	4.556	NUM
gi-4778	86	36	11.000	11.000	NUM
gi-4778	86	37	5.656	5.656	NUM
gi-4778	86	38	sd15s	sd15s	NOUN
gi-4778	86	39	4.560	4.560	NUM
gi-4778	86	40	3.750	3.750	NUM
gi-4778	86	41	7.000	7.000	NUM
gi-4778	86	42	6.353	6.353	NUM
gi-4778	86	43	dos14s	dos14s	ADP
gi-4778	86	44	4.340	4.340	NUM
gi-4778	86	45	4.445	4.445	NUM
gi-4778	86	46	10.000	10.000	NUM
gi-4778	86	47	5.545	5.545	NUM
gi-4778	86	48	gme03	gme03	NOUN
gi-4778	86	49	5.035	5.035	NUM
gi-4778	86	50	6.779	6.779	NUM
gi-4778	86	51	11.000	11.000	NUM
gi-4778	86	52	1.415	1.415	NUM
gi-4778	86	53	cr02	cr02	PROPN
gi-4778	86	54	3.646	3.646	NUM
gi-4778	86	55	3.014	3.014	NUM
gi-4778	86	56	6.000	6.000	NUM
gi-4778	86	57	3.431	3.431	NUM
gi-4778	86	58	mega01	mega01	VERB
gi-4778	86	59	4.547	4.547	NUM
gi-4778	86	60	4.086	4.086	NUM
gi-4778	86	61	3.000	3.000	NUM
gi-4778	86	62	6.041	6.041	NUM
gi-4778	86	63	sgdp016	sgdp016	PROPN
gi-4778	86	64	4.511	4.511	NUM
gi-4778	86	65	5.813	5.813	NUM
gi-4778	86	66	4.000	4.000	NUM
gi-4778	86	67	3.379	3.379	NUM
gi-4778	86	68	sgen10	sgen10	NOUN
gi-4778	86	69	4.465	4.465	NUM
gi-4778	86	70	4.375	4.375	NUM
gi-4778	86	71	10.000	10.000	NUM
gi-4778	86	72	3.923	3.923	NUM
gi-4778	86	73	sgen11	sgen11	NOUN
gi-4778	86	74	3.795	3.795	NUM
gi-4778	86	75	4.602	4.602	NUM
gi-4778	86	76	9.000	9.000	NUM
gi-4778	86	77	4.899	4.899	NUM
gi-4778	86	78	usl01	usl01	NOUN
gi-4778	86	79	5.902	5.902	NUM
gi-4778	86	80	6.539	6.539	NUM
gi-4778	86	81	3.000	3.000	NUM
gi-4778	86	82	6.879	6.879	NUM
gi-4778	86	83	geoinformatics	geoinformatic	NOUN
gi-4778	86	84	fce	fce	VERB
gi-4778	86	85	ctu	ctu	NOUN
gi-4778	86	86	17(1	17(1	NOUN
gi-4778	86	87	)	)	PUNCT
gi-4778	86	88	,	,	PUNCT
gi-4778	86	89	2018	2018	NUM
gi-4778	86	90	50	50	NUM
gi-4778	86	91	o.	o.	NOUN
gi-4778	86	92	g.	g.	PROPN
gi-4778	86	93	omogunloye	omogunloye	PROPN
gi-4778	86	94	et	et	PROPN
gi-4778	86	95	al	al	PROPN
gi-4778	86	96	.	.	PROPN
gi-4778	86	97	:	:	PUNCT
gi-4778	87	1	an	an	DET
gi-4778	87	2	alternative	alternative	ADJ
gi-4778	87	3	choice	choice	NOUN
gi-4778	87	4	in	in	ADP
gi-4778	87	5	heighting	heighting	ADJ
gi-4778	87	6	table	table	NOUN
gi-4778	87	7	2	2	NUM
gi-4778	87	8	:	:	PUNCT
gi-4778	87	9	orthometric	orthometric	ADJ
gi-4778	87	10	heights	height	NOUN
gi-4778	87	11	extracted	extract	VERB
gi-4778	87	12	from	from	ADP
gi-4778	87	13	various	various	ADJ
gi-4778	87	14	methods	method	NOUN
gi-4778	87	15	.	.	PUNCT
gi-4778	88	1	station	station	NOUN
gi-4778	88	2	i	i	PROPN
gi-4778	88	3	d	d	PROPN
gi-4778	88	4	orthometric	orthometric	ADJ
gi-4778	88	5	heights	height	NOUN
gi-4778	88	6	(	(	PUNCT
gi-4778	88	7	m	m	NOUN
gi-4778	88	8	)	)	PUNCT
gi-4778	88	9	levelling	levelling	NOUN
gi-4778	88	10	/	/	SYM
gi-4778	88	11	gps	gps	PROPN
gi-4778	88	12	lidar	lidar	NOUN
gi-4778	88	13	srtm	srtm	NOUN
gi-4778	88	14	aster	aster	NOUN
gi-4778	88	15	gdem	gdem	PROPN
gi-4778	88	16	unilag1	unilag1	PROPN
gi-4778	88	17	4.859	4.859	NUM
gi-4778	88	18	3.976	3.976	NUM
gi-4778	88	19	0.000	0.000	NUM
gi-4778	88	20	3.693	3.693	NUM
gi-4778	88	21	unilag2	unilag2	NOUN
gi-4778	88	22	4.030	4.030	NUM
gi-4778	88	23	3.870	3.870	NUM
gi-4778	88	24	0.000	0.000	NUM
gi-4778	88	25	7.177	7.177	NUM
gi-4778	88	26	dsg08	dsg08	PROPN
gi-4778	88	27	2.522	2.522	NUM
gi-4778	88	28	1.258	1.258	NUM
gi-4778	88	29	10.000	10.000	NUM
gi-4778	88	30	1.358	1.358	NUM
gi-4778	88	31	mega05	mega05	NOUN
gi-4778	88	32	3.525	3.525	NUM
gi-4778	88	33	2.843	2.843	NUM
gi-4778	88	34	0.000	0.000	NUM
gi-4778	88	35	4.931	4.931	NUM
gi-4778	88	36	mega06	mega06	NOUN
gi-4778	88	37	2.127	2.127	NUM
gi-4778	88	38	1.856	1.856	NUM
gi-4778	88	39	10.000	10.000	NUM
gi-4778	88	40	1.995	1.995	NUM
gi-4778	88	41	mega03	mega03	ADJ
gi-4778	88	42	3.042	3.042	NUM
gi-4778	88	43	3.648	3.648	NUM
gi-4778	88	44	11.000	11.000	NUM
gi-4778	88	45	4.729	4.729	NUM
gi-4778	88	46	pgs09	pgs09	NOUN
gi-4778	88	47	3.597	3.597	NUM
gi-4778	88	48	3.949	3.949	NUM
gi-4778	88	49	10.000	10.000	NUM
gi-4778	88	50	4.414	4.414	NUM
gi-4778	88	51	gme02	gme02	PROPN
gi-4778	88	52	3.850	3.850	NUM
gi-4778	88	53	4.077	4.077	NUM
gi-4778	88	54	11.000	11.000	NUM
gi-4778	88	55	6.848	6.848	NUM
gi-4778	88	56	mega04	mega04	NOUN
gi-4778	88	57	4.470	4.470	NUM
gi-4778	88	58	4.040	4.040	NUM
gi-4778	88	59	11.000	11.000	NUM
gi-4778	88	60	4.995	4.995	NUM
gi-4778	88	61	gme06	gme06	PROPN
gi-4778	88	62	5.272	5.272	NUM
gi-4778	88	63	6.705	6.705	NUM
gi-4778	88	64	8.000	8.000	NUM
gi-4778	88	65	3.740	3.740	NUM
gi-4778	88	66	gme05	gme05	NOUN
gi-4778	88	67	5.030	5.030	NUM
gi-4778	88	68	5.523	5.523	NUM
gi-4778	88	69	12.000	12.000	NUM
gi-4778	88	70	6.985	6.985	NUM
gi-4778	88	71	gme04	gme04	NOUN
gi-4778	88	72	3.115	3.115	NUM
gi-4778	88	73	3.107	3.107	NUM
gi-4778	88	74	10.000	10.000	NUM
gi-4778	88	75	5.553	5.553	NUM
gi-4778	88	76	pgd84/2	pgd84/2	NOUN
gi-4778	88	77	3.698	3.698	NUM
gi-4778	88	78	4.429	4.429	NUM
gi-4778	88	79	5.000	5.000	NUM
gi-4778	88	80	4.585	4.585	NUM
gi-4778	88	81	mega07	mega07	NOUN
gi-4778	88	82	1.779	1.779	NUM
gi-4778	88	83	1.608	1.608	NUM
gi-4778	88	84	9.000	9.000	NUM
gi-4778	88	85	6.528	6.528	NUM
gi-4778	88	86	pgd81/1	pgd81/1	NUM
gi-4778	88	87	3.968	3.968	NUM
gi-4778	88	88	4.574	4.574	NUM
gi-4778	88	89	11.000	11.000	NUM
gi-4778	88	90	5.602	5.602	NUM
gi-4778	88	91	ed009	ed009	PUNCT
gi-4778	88	92	3.628	3.628	NUM
gi-4778	88	93	3.329	3.329	NUM
gi-4778	88	94	8.000	8.000	NUM
gi-4778	88	95	5.355	5.355	NUM
gi-4778	88	96	mega09	mega09	NOUN
gi-4778	88	97	4.172	4.172	NUM
gi-4778	88	98	3.729	3.729	NUM
gi-4778	88	99	7.000	7.000	NUM
gi-4778	88	100	5.849	5.849	NUM
gi-4778	88	101	dos03	dos03	NOUN
gi-4778	88	102	4.488	4.488	NUM
gi-4778	88	103	5.233	5.233	NUM
gi-4778	88	104	9.000	9.000	NUM
gi-4778	88	105	5.433	5.433	NUM
gi-4778	88	106	mega10	mega10	NOUN
gi-4778	88	107	4.281	4.281	NUM
gi-4778	88	108	4.795	4.795	NUM
gi-4778	88	109	9.000	9.000	NUM
gi-4778	88	110	4.514	4.514	NUM
gi-4778	88	111	mega11	mega11	NOUN
gi-4778	88	112	3.970	3.970	NUM
gi-4778	88	113	3.139	3.139	NUM
gi-4778	88	114	10.000	10.000	NUM
gi-4778	88	115	4.314	4.314	NUM
gi-4778	88	116	xst347	xst347	NOUN
gi-4778	88	117	3.908	3.908	NUM
gi-4778	88	118	3.723	3.723	NUM
gi-4778	88	119	8.000	8.000	NUM
gi-4778	88	120	7.568	7.568	NUM
gi-4778	88	121	mega02	mega02	NOUN
gi-4778	88	122	4.694	4.694	NUM
gi-4778	88	123	5.461	5.461	NUM
gi-4778	88	124	8.000	8.000	NUM
gi-4778	88	125	0.843	0.843	NUM
gi-4778	88	126	cr08	cr08	PROPN
gi-4778	88	127	3.619	3.619	NUM
gi-4778	88	128	3.386	3.386	NUM
gi-4778	88	129	8.000	8.000	NUM
gi-4778	88	130	3.386	3.386	NUM
gi-4778	88	131	sd14s	sd14s	NOUN
gi-4778	88	132	5.490	5.490	NUM
gi-4778	88	133	4.214	4.214	NUM
gi-4778	88	134	6.000	6.000	NUM
gi-4778	88	135	4.169	4.169	NUM
gi-4778	88	136	cr07	cr07	PROPN
gi-4778	88	137	3.519	3.519	NUM
gi-4778	88	138	4.819	4.819	NUM
gi-4778	88	139	6.000	6.000	NUM
gi-4778	88	140	4.471	4.471	NUM
gi-4778	88	141	cr06	cr06	PROPN
gi-4778	88	142	3.630	3.630	NUM
gi-4778	88	143	3.393	3.393	NUM
gi-4778	88	144	6.000	6.000	NUM
gi-4778	88	145	4.395	4.395	NUM
gi-4778	88	146	cr05	cr05	PROPN
gi-4778	88	147	3.639	3.639	NUM
gi-4778	88	148	3.061	3.061	NUM
gi-4778	88	149	7.000	7.000	NUM
gi-4778	88	150	3.461	3.461	NUM
gi-4778	88	151	cr03	cr03	PROPN
gi-4778	88	152	3.944	3.944	NUM
gi-4778	88	153	2.931	2.931	NUM
gi-4778	88	154	5.000	5.000	NUM
gi-4778	88	155	3.132	3.132	NUM
gi-4778	88	156	ed011	ed011	PROPN
gi-4778	88	157	3.915	3.915	NUM
gi-4778	88	158	3.573	3.573	NUM
gi-4778	88	159	5.000	5.000	NUM
gi-4778	88	160	2.973	2.973	NUM
gi-4778	88	161	dsg07	dsg07	VERB
gi-4778	88	162	1.666	1.666	NUM
gi-4778	88	163	1.258	1.258	NUM
gi-4778	88	164	10.000	10.000	NUM
gi-4778	88	165	1.258	1.258	NUM
gi-4778	88	166	cgg	cgg	NOUN
gi-4778	88	167	/	/	SYM
gi-4778	88	168	sp	sp	ADP
gi-4778	88	169	3.787	3.787	NUM
gi-4778	88	170	3.078	3.078	NUM
gi-4778	88	171	8.000	8.000	NUM
gi-4778	88	172	6.528	6.528	NUM
gi-4778	88	173	xst347az	xst347az	ADJ
gi-4778	88	174	5.873	5.873	NUM
gi-4778	88	175	4.862	4.862	NUM
gi-4778	88	176	8.000	8.000	NUM
gi-4778	88	177	7.553	7.553	NUM
gi-4778	88	178	cblm3	cblm3	NOUN
gi-4778	88	179	4.058	4.058	NUM
gi-4778	88	180	4.501	4.501	NUM
gi-4778	88	181	7.000	7.000	NUM
gi-4778	88	182	4.701	4.701	NUM
gi-4778	88	183	2.3	2.3	NUM
gi-4778	88	184	.	.	PUNCT
gi-4778	89	1	levelling	level	VERB
gi-4778	89	2	data	datum	NOUN
gi-4778	89	3	for	for	ADP
gi-4778	89	4	observed	observed	ADJ
gi-4778	89	5	control	control	NOUN
gi-4778	89	6	points	point	NOUN
gi-4778	89	7	and	and	CCONJ
gi-4778	89	8	its	its	PRON
gi-4778	89	9	reduction	reduction	NOUN
gi-4778	89	10	instead	instead	ADV
gi-4778	89	11	of	of	ADP
gi-4778	89	12	writing	write	VERB
gi-4778	89	13	the	the	DET
gi-4778	89	14	readings	reading	NOUN
gi-4778	89	15	in	in	ADP
gi-4778	89	16	a	a	DET
gi-4778	89	17	sketch	sketch	NOUN
gi-4778	89	18	and	and	CCONJ
gi-4778	89	19	giving	give	VERB
gi-4778	89	20	suitable	suitable	ADJ
gi-4778	89	21	descriptions	description	NOUN
gi-4778	89	22	,	,	PUNCT
gi-4778	89	23	the	the	DET
gi-4778	89	24	whole	whole	ADJ
gi-4778	89	25	process	process	NOUN
gi-4778	89	26	of	of	ADP
gi-4778	89	27	levelling	levelling	NOUN
gi-4778	89	28	was	be	AUX
gi-4778	89	29	systematically	systematically	ADV
gi-4778	89	30	shown	show	VERB
gi-4778	89	31	in	in	ADP
gi-4778	89	32	a	a	DET
gi-4778	89	33	level	level	NOUN
gi-4778	89	34	book	book	NOUN
gi-4778	89	35	and	and	CCONJ
gi-4778	89	36	reduced	reduced	ADJ
gi-4778	89	37	levels	level	NOUN
gi-4778	89	38	of	of	ADP
gi-4778	89	39	different	different	ADJ
gi-4778	89	40	points	point	NOUN
gi-4778	89	41	found	find	VERB
gi-4778	89	42	out	out	ADP
gi-4778	89	43	(	(	PUNCT
gi-4778	89	44	heister	heister	NOUN
gi-4778	89	45	,	,	PUNCT
gi-4778	89	46	et	et	PROPN
gi-4778	89	47	,	,	PUNCT
gi-4778	89	48	al	al	PROPN
gi-4778	89	49	.	.	PROPN
gi-4778	89	50	,	,	PUNCT
gi-4778	89	51	1999	1999	NUM
gi-4778	89	52	)	)	PUNCT
gi-4778	89	53	.	.	PUNCT
gi-4778	90	1	there	there	PRON
gi-4778	90	2	are	be	VERB
gi-4778	90	3	two	two	NUM
gi-4778	90	4	methods	method	NOUN
gi-4778	90	5	of	of	ADP
gi-4778	90	6	reducing	reduce	VERB
gi-4778	90	7	levels	level	NOUN
gi-4778	90	8	.	.	PUNCT
gi-4778	91	1	(	(	PUNCT
gi-4778	91	2	i	i	NOUN
gi-4778	91	3	)	)	PUNCT
gi-4778	91	4	rise	rise	VERB
gi-4778	91	5	and	and	CCONJ
gi-4778	91	6	fall	fall	NOUN
gi-4778	91	7	method	method	NOUN
gi-4778	91	8	,	,	PUNCT
gi-4778	91	9	and	and	CCONJ
gi-4778	91	10	(	(	PUNCT
gi-4778	91	11	ii	ii	NOUN
gi-4778	91	12	)	)	PUNCT
gi-4778	91	13	height	height	NOUN
gi-4778	91	14	of	of	ADP
gi-4778	91	15	collimation	collimation	NOUN
gi-4778	91	16	method	method	NOUN
gi-4778	91	17	,	,	PUNCT
gi-4778	91	18	complete	complete	ADJ
gi-4778	91	19	bookings	booking	NOUN
gi-4778	91	20	and	and	CCONJ
gi-4778	91	21	reductions	reduction	NOUN
gi-4778	91	22	in	in	ADP
gi-4778	91	23	the	the	DET
gi-4778	91	24	height	height	NOUN
gi-4778	91	25	of	of	ADP
gi-4778	91	26	collimation	collimation	NOUN
gi-4778	91	27	method	method	NOUN
gi-4778	91	28	.	.	PUNCT
gi-4778	92	1	geoinformatics	geoinformatic	NOUN
gi-4778	92	2	fce	fce	VERB
gi-4778	92	3	ctu	ctu	NOUN
gi-4778	92	4	17(1	17(1	NOUN
gi-4778	92	5	)	)	PUNCT
gi-4778	92	6	,	,	PUNCT
gi-4778	93	1	2018	2018	NUM
gi-4778	93	2	51	51	NUM
gi-4778	93	3	o.	o.	NOUN
gi-4778	93	4	g.	g.	PROPN
gi-4778	93	5	omogunloye	omogunloye	PROPN
gi-4778	93	6	et	et	PROPN
gi-4778	93	7	al	al	PROPN
gi-4778	93	8	.	.	PROPN
gi-4778	93	9	:	:	PUNCT
gi-4778	93	10	an	an	DET
gi-4778	93	11	alternative	alternative	ADJ
gi-4778	93	12	choice	choice	NOUN
gi-4778	93	13	in	in	ADP
gi-4778	93	14	heighting	heighting	ADJ
gi-4778	93	15	height	height	NOUN
gi-4778	93	16	of	of	ADP
gi-4778	93	17	collimation	collimation	NOUN
gi-4778	93	18	method	method	VERB
gi-4778	93	19	the	the	DET
gi-4778	93	20	height	height	NOUN
gi-4778	93	21	of	of	ADP
gi-4778	93	22	collimation	collimation	NOUN
gi-4778	93	23	is	be	AUX
gi-4778	93	24	obtained	obtain	VERB
gi-4778	93	25	by	by	ADP
gi-4778	93	26	adding	add	VERB
gi-4778	93	27	the	the	DET
gi-4778	93	28	back	back	ADJ
gi-4778	93	29	sight	sight	NOUN
gi-4778	93	30	staff	staff	NOUN
gi-4778	93	31	reading	read	VERB
gi-4778	93	32	to	to	ADP
gi-4778	93	33	known	know	VERB
gi-4778	93	34	station	station	NOUN
gi-4778	93	35	and	and	CCONJ
gi-4778	93	36	the	the	DET
gi-4778	93	37	reduced	reduced	ADJ
gi-4778	93	38	level	level	NOUN
gi-4778	93	39	(	(	PUNCT
gi-4778	93	40	r.l	r.l	NOUN
gi-4778	93	41	)	)	PUNCT
gi-4778	93	42	of	of	ADP
gi-4778	93	43	same	same	ADJ
gi-4778	93	44	known	know	VERB
gi-4778	93	45	point	point	NOUN
gi-4778	93	46	on	on	ADP
gi-4778	93	47	which	which	PRON
gi-4778	93	48	the	the	DET
gi-4778	93	49	staff	staff	NOUN
gi-4778	93	50	stands	stand	VERB
gi-4778	93	51	.	.	PUNCT
gi-4778	94	1	r.l	r.l	PROPN
gi-4778	94	2	of	of	ADP
gi-4778	94	3	all	all	DET
gi-4778	94	4	the	the	DET
gi-4778	94	5	other	other	ADJ
gi-4778	94	6	points	point	NOUN
gi-4778	94	7	are	be	AUX
gi-4778	94	8	obtained	obtain	VERB
gi-4778	94	9	by	by	ADP
gi-4778	94	10	subtracting	subtract	VERB
gi-4778	94	11	the	the	DET
gi-4778	94	12	staff	staff	NOUN
gi-4778	94	13	reading	read	VERB
gi-4778	94	14	from	from	ADP
gi-4778	94	15	the	the	DET
gi-4778	94	16	height	height	NOUN
gi-4778	94	17	of	of	ADP
gi-4778	94	18	collimation	collimation	NOUN
gi-4778	94	19	.	.	PUNCT
gi-4778	95	1	when	when	SCONJ
gi-4778	95	2	the	the	DET
gi-4778	95	3	instrument	instrument	NOUN
gi-4778	95	4	is	be	AUX
gi-4778	95	5	changed	change	VERB
gi-4778	95	6	a	a	DET
gi-4778	95	7	new	new	ADJ
gi-4778	95	8	height	height	NOUN
gi-4778	95	9	of	of	ADP
gi-4778	95	10	collimation	collimation	NOUN
gi-4778	95	11	is	be	AUX
gi-4778	95	12	obtained	obtain	VERB
gi-4778	95	13	by	by	ADP
gi-4778	95	14	again	again	ADV
gi-4778	95	15	adding	add	VERB
gi-4778	95	16	new	new	ADJ
gi-4778	95	17	back	back	ADJ
gi-4778	95	18	sight	sight	NOUN
gi-4778	95	19	with	with	ADP
gi-4778	95	20	r.l	r.l	PROPN
gi-4778	95	21	of	of	ADP
gi-4778	95	22	the	the	DET
gi-4778	95	23	last	last	ADJ
gi-4778	95	24	point	point	NOUN
gi-4778	95	25	obtained	obtain	VERB
gi-4778	95	26	from	from	ADP
gi-4778	95	27	previous	previous	ADJ
gi-4778	95	28	set	set	VERB
gi-4778	95	29	up	up	ADP
gi-4778	95	30	of	of	ADP
gi-4778	95	31	the	the	DET
gi-4778	95	32	instrument	instrument	NOUN
gi-4778	95	33	(	(	PUNCT
gi-4778	95	34	heister	heister	NOUN
gi-4778	95	35	,	,	PUNCT
gi-4778	95	36	et	et	PROPN
gi-4778	95	37	,	,	PUNCT
gi-4778	95	38	al	al	PROPN
gi-4778	95	39	.	.	PROPN
gi-4778	95	40	,	,	PUNCT
gi-4778	95	41	1999	1999	NUM
gi-4778	95	42	)	)	PUNCT
gi-4778	95	43	.	.	PUNCT
gi-4778	96	1	the	the	DET
gi-4778	96	2	arithmetic	arithmetic	ADJ
gi-4778	96	3	checks	check	NOUN
gi-4778	96	4	to	to	PART
gi-4778	96	5	be	be	AUX
gi-4778	96	6	applied	apply	VERB
gi-4778	96	7	is	be	AUX
gi-4778	96	8	given	give	VERB
gi-4778	96	9	by	by	ADP
gi-4778	96	10	b.s	b.s	PROPN
gi-4778	96	11	.−	.−	PROPN
gi-4778	96	12	f	f	PROPN
gi-4778	96	13	.s	.s	NOUN
gi-4778	96	14	.	.	PUNCT
gi-4778	97	1	=	=	PRON
gi-4778	97	2	lastr.l.−	lastr.l.−	VERB
gi-4778	97	3	firstr.l	firstr.l	NOUN
gi-4778	97	4	where	where	SCONJ
gi-4778	97	5	b.s	b.s	PROPN
gi-4778	97	6	–	–	PUNCT
gi-4778	97	7	back	back	NOUN
gi-4778	97	8	sight	sight	NOUN
gi-4778	97	9	;	;	PUNCT
gi-4778	97	10	–	–	PUNCT
gi-4778	97	11	fore	fore	NOUN
gi-4778	97	12	sight	sight	NOUN
gi-4778	97	13	.	.	PUNCT
gi-4778	98	1	3	3	X
gi-4778	98	2	.	.	X
gi-4778	98	3	x	x	X
gi-4778	98	4	,	,	PUNCT
gi-4778	98	5	y	y	PROPN
gi-4778	98	6	,	,	PUNCT
gi-4778	98	7	z	z	NOUN
gi-4778	98	8	data	datum	NOUN
gi-4778	98	9	of	of	ADP
gi-4778	98	10	observed	observed	ADJ
gi-4778	98	11	controls	control	NOUN
gi-4778	98	12	and	and	CCONJ
gi-4778	98	13	its	its	PRON
gi-4778	98	14	geoidal	geoidal	ADJ
gi-4778	98	15	heights	height	NOUN
gi-4778	98	16	having	having	AUX
gi-4778	98	17	obtained	obtain	VERB
gi-4778	98	18	the	the	DET
gi-4778	98	19	geoidal	geoidal	ADJ
gi-4778	98	20	heights	height	NOUN
gi-4778	98	21	of	of	ADP
gi-4778	98	22	all	all	DET
gi-4778	98	23	the	the	DET
gi-4778	98	24	observed	observed	ADJ
gi-4778	98	25	controls	control	NOUN
gi-4778	98	26	using	use	VERB
gi-4778	98	27	levelling	levelling	NOUN
gi-4778	98	28	survey	survey	NOUN
gi-4778	98	29	methods	method	NOUN
gi-4778	98	30	,	,	PUNCT
gi-4778	98	31	it	it	PRON
gi-4778	98	32	is	be	AUX
gi-4778	98	33	then	then	ADV
gi-4778	98	34	possible	possible	ADJ
gi-4778	98	35	to	to	PART
gi-4778	98	36	have	have	VERB
gi-4778	98	37	a	a	DET
gi-4778	98	38	table	table	NOUN
gi-4778	98	39	containing	contain	VERB
gi-4778	98	40	the	the	DET
gi-4778	98	41	coordinates	coordinate	NOUN
gi-4778	98	42	of	of	ADP
gi-4778	98	43	the	the	DET
gi-4778	98	44	observed	observe	VERB
gi-4778	98	45	controls	control	NOUN
gi-4778	98	46	points	point	NOUN
gi-4778	98	47	,	,	PUNCT
gi-4778	98	48	their	their	PRON
gi-4778	98	49	geoidal	geoidal	ADJ
gi-4778	98	50	heights	height	NOUN
gi-4778	98	51	and	and	CCONJ
gi-4778	98	52	orthometric	orthometric	ADJ
gi-4778	98	53	heights	height	NOUN
gi-4778	98	54	.	.	PUNCT
gi-4778	99	1	sample	sample	NOUN
gi-4778	99	2	table	table	NOUN
gi-4778	99	3	1	1	NUM
gi-4778	99	4	shows	show	VERB
gi-4778	99	5	the	the	DET
gi-4778	99	6	coordinates	coordinate	NOUN
gi-4778	99	7	of	of	ADP
gi-4778	99	8	observed	observed	ADJ
gi-4778	99	9	controls	control	NOUN
gi-4778	99	10	,	,	PUNCT
gi-4778	99	11	their	their	PRON
gi-4778	99	12	geoidal	geoidal	ADJ
gi-4778	99	13	heights	height	NOUN
gi-4778	99	14	and	and	CCONJ
gi-4778	99	15	orthometric	orthometric	ADJ
gi-4778	99	16	heights	height	NOUN
gi-4778	99	17	.	.	PUNCT
gi-4778	100	1	extracting	extract	VERB
gi-4778	100	2	orthometric	orthometric	ADJ
gi-4778	100	3	heights	height	NOUN
gi-4778	100	4	from	from	ADP
gi-4778	100	5	lidar	lidar	NOUN
gi-4778	100	6	,	,	PUNCT
gi-4778	100	7	srtm	srtm	NOUN
gi-4778	100	8	and	and	CCONJ
gi-4778	100	9	aster	aster	NOUN
gi-4778	100	10	gdem	gdem	NOUN
gi-4778	100	11	to	to	PART
gi-4778	100	12	facilitate	facilitate	VERB
gi-4778	100	13	the	the	DET
gi-4778	100	14	extraction	extraction	NOUN
gi-4778	100	15	of	of	ADP
gi-4778	100	16	orthometric	orthometric	ADJ
gi-4778	100	17	heights	height	NOUN
gi-4778	100	18	from	from	ADP
gi-4778	100	19	lidar	lidar	NOUN
gi-4778	100	20	,	,	PUNCT
gi-4778	100	21	srtm	srtm	NOUN
gi-4778	100	22	and	and	CCONJ
gi-4778	100	23	aster	aster	NOUN
gi-4778	100	24	gdem	gdem	PROPN
gi-4778	100	25	,	,	PUNCT
gi-4778	100	26	it	it	PRON
gi-4778	100	27	would	would	AUX
gi-4778	100	28	be	be	AUX
gi-4778	100	29	necessary	necessary	ADJ
gi-4778	100	30	to	to	PART
gi-4778	100	31	overlay	overlay	VERB
gi-4778	100	32	the	the	DET
gi-4778	100	33	autocad	autocad	PROPN
gi-4778	100	34	point	point	NOUN
gi-4778	100	35	’s	’s	PART
gi-4778	100	36	plot	plot	NOUN
gi-4778	100	37	of	of	ADP
gi-4778	100	38	x	x	PROPN
gi-4778	100	39	and	and	CCONJ
gi-4778	100	40	y	y	PROPN
gi-4778	100	41	coordinates	coordinate	NOUN
gi-4778	100	42	of	of	ADP
gi-4778	100	43	observed	observed	ADJ
gi-4778	100	44	control	control	NOUN
gi-4778	100	45	points	point	NOUN
gi-4778	100	46	on	on	ADP
gi-4778	100	47	each	each	PRON
gi-4778	100	48	of	of	ADP
gi-4778	100	49	the	the	DET
gi-4778	100	50	data	datum	NOUN
gi-4778	100	51	(	(	PUNCT
gi-4778	100	52	lidar	lidar	NOUN
gi-4778	100	53	,	,	PUNCT
gi-4778	100	54	srtm	srtm	NOUN
gi-4778	100	55	and	and	CCONJ
gi-4778	100	56	aster	aster	NOUN
gi-4778	100	57	gdem	gdem	PROPN
gi-4778	100	58	)	)	PUNCT
gi-4778	100	59	.	.	PUNCT
gi-4778	101	1	using	use	VERB
gi-4778	101	2	spatial	spatial	ADJ
gi-4778	101	3	analysis	analysis	NOUN
gi-4778	101	4	tool	tool	NOUN
gi-4778	101	5	in	in	ADP
gi-4778	101	6	an	an	DET
gi-4778	101	7	arcmap	arcmap	PROPN
gi-4778	101	8	environment	environment	NOUN
gi-4778	101	9	,	,	PUNCT
gi-4778	101	10	we	we	PRON
gi-4778	101	11	can	can	AUX
gi-4778	101	12	extract	extract	VERB
gi-4778	101	13	value	value	NOUN
gi-4778	101	14	from	from	ADP
gi-4778	101	15	points	point	NOUN
gi-4778	101	16	in	in	ADP
gi-4778	101	17	each	each	PRON
gi-4778	101	18	of	of	ADP
gi-4778	101	19	the	the	DET
gi-4778	101	20	data	datum	NOUN
gi-4778	101	21	.	.	PUNCT
gi-4778	102	1	figures	figure	NOUN
gi-4778	102	2	5	5	NUM
gi-4778	102	3	,	,	PUNCT
gi-4778	102	4	6	6	NUM
gi-4778	102	5	and	and	CCONJ
gi-4778	102	6	7	7	NUM
gi-4778	102	7	show	show	VERB
gi-4778	102	8	the	the	DET
gi-4778	102	9	overlay	overlay	NOUN
gi-4778	102	10	of	of	ADP
gi-4778	102	11	sample	sample	NOUN
gi-4778	102	12	points	point	NOUN
gi-4778	102	13	on	on	ADP
gi-4778	102	14	each	each	PRON
gi-4778	102	15	of	of	ADP
gi-4778	102	16	srtm	srtm	NOUN
gi-4778	102	17	,	,	PUNCT
gi-4778	102	18	aster	aster	NOUN
gi-4778	102	19	gdem	gdem	NOUN
gi-4778	102	20	and	and	CCONJ
gi-4778	102	21	lidar	lidar	VERB
gi-4778	102	22	respectively	respectively	ADV
gi-4778	102	23	(	(	PUNCT
gi-4778	102	24	hofmann	hofmann	PROPN
gi-4778	102	25	–	–	PUNCT
gi-4778	102	26	wellenhof	wellenhof	NOUN
gi-4778	102	27	etal	etal	NOUN
gi-4778	102	28	,	,	PUNCT
gi-4778	102	29	2008	2008	NUM
gi-4778	102	30	)	)	PUNCT
gi-4778	102	31	.	.	PUNCT
gi-4778	103	1	orthometric	orthometric	ADJ
gi-4778	103	2	heights	height	NOUN
gi-4778	103	3	extracted	extract	VERB
gi-4778	103	4	from	from	ADP
gi-4778	103	5	various	various	ADJ
gi-4778	103	6	methods	method	NOUN
gi-4778	103	7	after	after	ADP
gi-4778	103	8	extracting	extract	VERB
gi-4778	103	9	all	all	DET
gi-4778	103	10	the	the	DET
gi-4778	103	11	required	require	VERB
gi-4778	103	12	orthometric	orthometric	ADJ
gi-4778	103	13	heights	height	NOUN
gi-4778	103	14	from	from	ADP
gi-4778	103	15	each	each	PRON
gi-4778	103	16	of	of	ADP
gi-4778	103	17	the	the	DET
gi-4778	103	18	data	data	NOUN
gi-4778	103	19	type	type	NOUN
gi-4778	103	20	used	use	VERB
gi-4778	103	21	in	in	ADP
gi-4778	103	22	this	this	DET
gi-4778	103	23	study	study	NOUN
gi-4778	103	24	,	,	PUNCT
gi-4778	103	25	table	table	NOUN
gi-4778	103	26	2	2	NUM
gi-4778	103	27	presents	present	VERB
gi-4778	103	28	the	the	DET
gi-4778	103	29	various	various	ADJ
gi-4778	103	30	orthometric	orthometric	ADJ
gi-4778	103	31	heights	height	NOUN
gi-4778	103	32	obtained	obtain	VERB
gi-4778	103	33	.	.	PUNCT
gi-4778	104	1	3.1	3.1	NUM
gi-4778	104	2	.	.	PUNCT
gi-4778	104	3	differences	difference	NOUN
gi-4778	104	4	between	between	ADP
gi-4778	104	5	the	the	DET
gi-4778	104	6	orthometric	orthometric	ADJ
gi-4778	104	7	heights	height	NOUN
gi-4778	104	8	obtained	obtain	VERB
gi-4778	104	9	from	from	ADP
gi-4778	104	10	levelling	levelling	NOUN
gi-4778	104	11	/	/	SYM
gi-4778	104	12	gps	gps	PROPN
gi-4778	104	13	survey	survey	NOUN
gi-4778	104	14	and	and	CCONJ
gi-4778	104	15	orthometric	orthometric	ADJ
gi-4778	104	16	heights	height	NOUN
gi-4778	104	17	obtained	obtain	VERB
gi-4778	104	18	by	by	ADP
gi-4778	104	19	other	other	ADJ
gi-4778	104	20	methods	method	NOUN
gi-4778	104	21	(	(	PUNCT
gi-4778	104	22	srtm	srtm	NOUN
gi-4778	104	23	,	,	PUNCT
gi-4778	104	24	lidar	lidar	NOUN
gi-4778	104	25	,	,	PUNCT
gi-4778	104	26	and	and	CCONJ
gi-4778	104	27	aster	aster	NOUN
gi-4778	104	28	gdem	gdem	PROPN
gi-4778	104	29	)	)	PUNCT
gi-4778	104	30	finding	find	VERB
gi-4778	104	31	the	the	DET
gi-4778	104	32	differences	difference	NOUN
gi-4778	104	33	between	between	ADP
gi-4778	104	34	the	the	DET
gi-4778	104	35	orthometric	orthometric	ADJ
gi-4778	104	36	heights	height	NOUN
gi-4778	104	37	obtained	obtain	VERB
gi-4778	104	38	using	use	VERB
gi-4778	104	39	gps	gps	PROPN
gi-4778	104	40	/	/	SYM
gi-4778	104	41	levelling	levelling	NOUN
gi-4778	104	42	method	method	NOUN
gi-4778	104	43	and	and	CCONJ
gi-4778	104	44	that	that	SCONJ
gi-4778	104	45	obtained	obtain	VERB
gi-4778	104	46	by	by	ADP
gi-4778	104	47	other	other	ADJ
gi-4778	104	48	methods	method	NOUN
gi-4778	104	49	are	be	AUX
gi-4778	104	50	necessary	necessary	ADJ
gi-4778	104	51	to	to	PART
gi-4778	104	52	determine	determine	VERB
gi-4778	104	53	how	how	SCONJ
gi-4778	104	54	close	close	ADJ
gi-4778	104	55	the	the	DET
gi-4778	104	56	heights	height	NOUN
gi-4778	104	57	obtained	obtain	VERB
gi-4778	104	58	by	by	ADP
gi-4778	104	59	other	other	ADJ
gi-4778	104	60	methods	method	NOUN
gi-4778	104	61	to	to	ADP
gi-4778	104	62	that	that	PRON
gi-4778	104	63	of	of	ADP
gi-4778	104	64	levelling	levelling	NOUN
gi-4778	104	65	/	/	SYM
gi-4778	104	66	gps	gps	PROPN
gi-4778	104	67	survey	survey	NOUN
gi-4778	104	68	which	which	PRON
gi-4778	104	69	is	be	AUX
gi-4778	104	70	considered	consider	VERB
gi-4778	104	71	the	the	DET
gi-4778	104	72	most	most	ADV
gi-4778	104	73	accurate	accurate	ADJ
gi-4778	104	74	method	method	NOUN
gi-4778	104	75	.	.	PUNCT
gi-4778	105	1	the	the	PRON
gi-4778	105	2	lower	low	ADJ
gi-4778	105	3	the	the	DET
gi-4778	105	4	discrepancy	discrepancy	NOUN
gi-4778	105	5	,	,	PUNCT
gi-4778	105	6	the	the	PRON
gi-4778	105	7	closer	close	ADJ
gi-4778	105	8	the	the	DET
gi-4778	105	9	orthometric	orthometric	ADJ
gi-4778	105	10	heights	height	NOUN
gi-4778	105	11	obtained	obtain	VERB
gi-4778	105	12	by	by	ADP
gi-4778	105	13	that	that	DET
gi-4778	105	14	method	method	NOUN
gi-4778	105	15	to	to	ADP
gi-4778	105	16	that	that	PRON
gi-4778	105	17	obtained	obtain	VERB
gi-4778	105	18	from	from	ADP
gi-4778	105	19	levelling	levelling	NOUN
gi-4778	105	20	/	/	SYM
gi-4778	105	21	gps	gps	PROPN
gi-4778	105	22	survey	survey	NOUN
gi-4778	105	23	method	method	NOUN
gi-4778	105	24	.	.	PUNCT
gi-4778	106	1	the	the	PRON
gi-4778	106	2	higher	high	ADJ
gi-4778	106	3	the	the	DET
gi-4778	106	4	discrepancy	discrepancy	NOUN
gi-4778	106	5	the	the	DET
gi-4778	106	6	further	far	ADV
gi-4778	106	7	the	the	DET
gi-4778	106	8	orthometric	orthometric	ADJ
gi-4778	106	9	heights	height	NOUN
gi-4778	106	10	obtained	obtain	VERB
gi-4778	106	11	by	by	ADP
gi-4778	106	12	that	that	DET
gi-4778	106	13	method	method	NOUN
gi-4778	106	14	to	to	ADP
gi-4778	106	15	that	that	PRON
gi-4778	106	16	obtained	obtain	VERB
gi-4778	106	17	from	from	ADP
gi-4778	106	18	levelling	levelling	NOUN
gi-4778	106	19	/	/	SYM
gi-4778	106	20	gps	gps	PROPN
gi-4778	106	21	survey	survey	NOUN
gi-4778	106	22	method	method	NOUN
gi-4778	106	23	.	.	PUNCT
gi-4778	107	1	sample	sample	NOUN
gi-4778	107	2	table	table	NOUN
gi-4778	107	3	3	3	NUM
gi-4778	107	4	shows	show	VERB
gi-4778	107	5	the	the	DET
gi-4778	107	6	discrepancy	discrepancy	NOUN
gi-4778	107	7	between	between	ADP
gi-4778	107	8	the	the	DET
gi-4778	107	9	orthometric	orthometric	ADJ
gi-4778	107	10	heights	height	NOUN
gi-4778	107	11	obtained	obtain	VERB
gi-4778	107	12	from	from	ADP
gi-4778	107	13	levelling	levelling	NOUN
gi-4778	107	14	/	/	SYM
gi-4778	107	15	gps	gps	PROPN
gi-4778	107	16	survey	survey	NOUN
gi-4778	107	17	and	and	CCONJ
gi-4778	107	18	that	that	PRON
gi-4778	107	19	obtained	obtain	VERB
gi-4778	107	20	from	from	ADP
gi-4778	107	21	lidar	lidar	NOUN
gi-4778	107	22	,	,	PUNCT
gi-4778	107	23	srtm	srtm	NOUN
gi-4778	107	24	and	and	CCONJ
gi-4778	107	25	aster	aster	NOUN
gi-4778	107	26	gdem	gdem	PROPN
gi-4778	107	27	.	.	PUNCT
gi-4778	108	1	geoinformatics	geoinformatic	NOUN
gi-4778	108	2	fce	fce	VERB
gi-4778	108	3	ctu	ctu	NOUN
gi-4778	108	4	17(1	17(1	NOUN
gi-4778	108	5	)	)	PUNCT
gi-4778	108	6	,	,	PUNCT
gi-4778	108	7	2018	2018	NUM
gi-4778	108	8	52	52	NUM
gi-4778	108	9	o.	o.	NOUN
gi-4778	108	10	g.	g.	PROPN
gi-4778	108	11	omogunloye	omogunloye	PROPN
gi-4778	108	12	et	et	PROPN
gi-4778	108	13	al	al	PROPN
gi-4778	108	14	.	.	PROPN
gi-4778	108	15	:	:	PUNCT
gi-4778	109	1	an	an	DET
gi-4778	109	2	alternative	alternative	ADJ
gi-4778	109	3	choice	choice	NOUN
gi-4778	109	4	in	in	ADP
gi-4778	109	5	heighting	heighting	ADJ
gi-4778	109	6	figure	figure	NOUN
gi-4778	109	7	5	5	NUM
gi-4778	109	8	:	:	PUNCT
gi-4778	109	9	sample	sample	NOUN
gi-4778	109	10	points	point	NOUN
gi-4778	109	11	overlaid	overlay	VERB
gi-4778	109	12	on	on	ADP
gi-4778	109	13	srtm	srtm	NOUN
gi-4778	109	14	(	(	PUNCT
gi-4778	109	15	left	leave	VERB
gi-4778	109	16	)	)	PUNCT
gi-4778	109	17	.	.	PUNCT
gi-4778	110	1	figure	figure	VERB
gi-4778	110	2	6	6	NUM
gi-4778	110	3	:	:	PUNCT
gi-4778	110	4	sample	sample	NOUN
gi-4778	110	5	points	point	NOUN
gi-4778	110	6	overlaid	overlay	VERB
gi-4778	110	7	on	on	ADP
gi-4778	110	8	aster	aster	NOUN
gi-4778	110	9	gdem	gdem	NOUN
gi-4778	110	10	(	(	PUNCT
gi-4778	110	11	right	right	ADJ
gi-4778	110	12	)	)	PUNCT
gi-4778	110	13	.	.	PUNCT
gi-4778	111	1	figure	figure	VERB
gi-4778	111	2	7	7	NUM
gi-4778	111	3	:	:	PUNCT
gi-4778	111	4	sample	sample	NOUN
gi-4778	111	5	points	point	NOUN
gi-4778	111	6	overlaid	overlay	VERB
gi-4778	111	7	on	on	ADP
gi-4778	111	8	lidar	lidar	PROPN
gi-4778	111	9	..	..	PUNCT
gi-4778	111	10	geoinformatics	geoinformatic	NOUN
gi-4778	111	11	fce	fce	VERB
gi-4778	111	12	ctu	ctu	NOUN
gi-4778	111	13	17(1	17(1	NOUN
gi-4778	111	14	)	)	PUNCT
gi-4778	111	15	,	,	PUNCT
gi-4778	111	16	2018	2018	NUM
gi-4778	111	17	53	53	NUM
gi-4778	111	18	o.	o.	NOUN
gi-4778	111	19	g.	g.	PROPN
gi-4778	111	20	omogunloye	omogunloye	PROPN
gi-4778	111	21	et	et	PROPN
gi-4778	111	22	al	al	PROPN
gi-4778	111	23	.	.	PROPN
gi-4778	111	24	:	:	PUNCT
gi-4778	112	1	an	an	DET
gi-4778	112	2	alternative	alternative	ADJ
gi-4778	112	3	choice	choice	NOUN
gi-4778	112	4	in	in	ADP
gi-4778	112	5	heighting	heighting	ADJ
gi-4778	112	6	table	table	NOUN
gi-4778	112	7	3	3	NUM
gi-4778	112	8	:	:	PUNCT
gi-4778	112	9	percentage	percentage	NOUN
gi-4778	112	10	ratio	ratio	NOUN
gi-4778	112	11	test	test	NOUN
gi-4778	112	12	station	station	NOUN
gi-4778	112	13	i	i	PROPN
gi-4778	112	14	d	d	PROPN
gi-4778	112	15	%	%	NOUN
gi-4778	112	16	of	of	ADP
gi-4778	112	17	ratio	ratio	NOUN
gi-4778	112	18	of	of	ADP
gi-4778	112	19	lidar	lidar	NOUN
gi-4778	112	20	srtm	srtm	NOUN
gi-4778	112	21	aster	aster	NOUN
gi-4778	112	22	gdem	gdem	PROPN
gi-4778	112	23	unilag1	unilag1	NOUN
gi-4778	113	1	82	82	NUM
gi-4778	113	2	0	0	NUM
gi-4778	113	3	76.02	76.02	NUM
gi-4778	113	4	unilag2	unilag2	NOUN
gi-4778	113	5	96	96	NUM
gi-4778	113	6	0	0	NUM
gi-4778	113	7	178.08	178.08	NUM
gi-4778	113	8	dsg08	dsg08	PROPN
gi-4778	113	9	50	50	NUM
gi-4778	113	10	396.51	396.51	NUM
gi-4778	113	11	53.86	53.86	NUM
gi-4778	113	12	mega05	mega05	NOUN
gi-4778	113	13	81	81	NUM
gi-4778	113	14	0	0	NUM
gi-4778	113	15	139.89	139.89	NUM
gi-4778	113	16	mega06	mega06	NOUN
gi-4778	113	17	87	87	NUM
gi-4778	113	18	470.15	470.15	NUM
gi-4778	113	19	93.79	93.79	NUM
gi-4778	113	20	mega03	mega03	ADJ
gi-4778	113	21	120	120	NUM
gi-4778	113	22	361.60	361.60	NUM
gi-4778	113	23	155.46	155.46	NUM
gi-4778	113	24	pgs09	pgs09	NOUN
gi-4778	113	25	110	110	NUM
gi-4778	113	26	278.01	278.01	NUM
gi-4778	113	27	122.72	122.72	NUM
gi-4778	113	28	gme02	gme02	NOUN
gi-4778	113	29	106	106	NUM
gi-4778	113	30	285.71	285.71	NUM
gi-4778	113	31	177.89	177.89	NUM
gi-4778	113	32	mega04	mega04	NOUN
gi-4778	113	33	90	90	NUM
gi-4778	113	34	246.09	246.09	NUM
gi-4778	113	35	111.75	111.75	NUM
gi-4778	113	36	gme06	gme06	NOUN
gi-4778	113	37	127	127	NUM
gi-4778	113	38	151.75	151.75	NUM
gi-4778	113	39	70.95	70.95	NUM
gi-4778	113	40	gme05	gme05	NOUN
gi-4778	113	41	110	110	NUM
gi-4778	113	42	238.57	238.57	NUM
gi-4778	113	43	138.85	138.85	NUM
gi-4778	113	44	gme04	gme04	NOUN
gi-4778	113	45	100	100	NUM
gi-4778	113	46	321.03	321.03	NUM
gi-4778	113	47	163.85	163.85	NUM
gi-4778	113	48	pgd84/2	pgd84/2	NOUN
gi-4778	113	49	120	120	NUM
gi-4778	113	50	135.21	135.21	NUM
gi-4778	113	51	123.99	123.99	NUM
gi-4778	113	52	mega07	mega07	NOUN
gi-4778	113	53	90	90	NUM
gi-4778	113	54	505.90	505.90	NUM
gi-4778	113	55	366.98	366.98	NUM
gi-4778	113	56	pgd81/1	pgd81/1	CCONJ
gi-4778	113	57	115	115	NUM
gi-4778	113	58	277.22	277.22	NUM
gi-4778	113	59	141.18	141.18	NUM
gi-4778	113	60	ed009	ed009	X
gi-4778	113	61	92	92	NUM
gi-4778	113	62	220.51	220.51	NUM
gi-4778	113	63	147.62	147.62	NUM
gi-4778	113	64	mega09	mega09	NOUN
gi-4778	113	65	89	89	NUM
gi-4778	113	66	167.79	167.79	NUM
gi-4778	113	67	140.20	140.20	NUM
gi-4778	113	68	dos03	dos03	NOUN
gi-4778	113	69	117	117	NUM
gi-4778	113	70	200.53	200.53	NUM
gi-4778	113	71	121.06	121.06	NUM
gi-4778	113	72	mega10	mega10	NOUN
gi-4778	113	73	112	112	NUM
gi-4778	113	74	210.23	210.23	NUM
gi-4778	113	75	105.45	105.45	NUM
gi-4778	113	76	mega11	mega11	NOUN
gi-4778	113	77	79	79	NUM
gi-4778	113	78	251.89	251.89	NUM
gi-4778	113	79	108.67	108.67	NUM
gi-4778	113	80	xst347	xst347	NOUN
gi-4778	113	81	95	95	NUM
gi-4778	113	82	204.71	204.71	NUM
gi-4778	113	83	193.66	193.66	NUM
gi-4778	113	84	mega02	mega02	NOUN
gi-4778	113	85	116	116	NUM
gi-4778	113	86	170.43	170.43	NUM
gi-4778	113	87	17.97	17.97	NUM
gi-4778	113	88	cr08	cr08	PROPN
gi-4778	113	89	94	94	NUM
gi-4778	113	90	221.06	221.06	NUM
gi-4778	113	91	93.57	93.57	NUM
gi-4778	113	92	sd14s	sd14s	NOUN
gi-4778	113	93	77	77	NUM
gi-4778	113	94	109.29	109.29	NUM
gi-4778	113	95	75.94	75.94	NUM
gi-4778	113	96	cr07	cr07	PROPN
gi-4778	113	97	137	137	NUM
gi-4778	113	98	170.50	170.50	NUM
gi-4778	113	99	127.08	127.08	NUM
gi-4778	114	1	cr06	cr06	PROPN
gi-4778	114	2	93	93	NUM
gi-4778	114	3	165.29	165.29	NUM
gi-4778	114	4	121.08	121.08	NUM
gi-4778	114	5	cr05	cr05	PROPN
gi-4778	114	6	84	84	NUM
gi-4778	114	7	192.36	192.36	NUM
gi-4778	114	8	95.12	95.12	NUM
gi-4778	114	9	cr03	cr03	PROPN
gi-4778	114	10	74	74	NUM
gi-4778	114	11	126.77	126.77	NUM
gi-4778	114	12	79.40	79.40	NUM
gi-4778	114	13	ed011	ed011	NOUN
gi-4778	114	14	91	91	NUM
gi-4778	114	15	127.71	127.71	NUM
gi-4778	114	16	75.96	75.96	NUM
gi-4778	114	17	dsg07	dsg07	VERB
gi-4778	114	18	76	76	NUM
gi-4778	114	19	600.24	600.24	NUM
gi-4778	114	20	75.54	75.54	NUM
gi-4778	114	21	cgg	cgg	NOUN
gi-4778	114	22	/	/	SYM
gi-4778	114	23	sp	sp	ADP
gi-4778	114	24	81	81	NUM
gi-4778	114	25	211.25	211.25	NUM
gi-4778	114	26	172.39	172.39	NUM
gi-4778	114	27	xst347az	xst347az	ADV
gi-4778	114	28	83	83	NUM
gi-4778	114	29	136.22	136.22	NUM
gi-4778	114	30	128.62	128.62	NUM
gi-4778	114	31	cblm3	cblm3	NOUN
gi-4778	114	32	111	111	NUM
gi-4778	114	33	172.50	172.50	NUM
gi-4778	114	34	115.84	115.84	NUM
gi-4778	114	35	ytt28/186	ytt28/186	PROPN
gi-4778	114	36	121	121	NUM
gi-4778	114	37	972.45	972.45	NUM
gi-4778	114	38	550.61	550.61	NUM
gi-4778	114	39	ed015	ed015	NOUN
gi-4778	114	40	92	92	NUM
gi-4778	114	41	221.33	221.33	NUM
gi-4778	114	42	113.81	113.81	NUM
gi-4778	114	43	sd15s	sd15s	NOUN
gi-4778	114	44	82	82	NUM
gi-4778	114	45	153.51	153.51	NUM
gi-4778	114	46	139.32	139.32	NUM
gi-4778	114	47	dos14s	dos14s	PROPN
gi-4778	114	48	102	102	NUM
gi-4778	114	49	230.41	230.41	NUM
gi-4778	114	50	127.77	127.77	NUM
gi-4778	114	51	gme03	gme03	NOUN
gi-4778	114	52	135	135	NUM
gi-4778	114	53	218.47	218.47	NUM
gi-4778	114	54	28.10	28.10	NUM
gi-4778	114	55	cr02	cr02	PROPN
gi-4778	114	56	83	83	NUM
gi-4778	114	57	164.56	164.56	NUM
gi-4778	114	58	94.12	94.12	NUM
gi-4778	114	59	mega01	mega01	VERB
gi-4778	114	60	90	90	NUM
gi-4778	114	61	65.98	65.98	NUM
gi-4778	114	62	132.85	132.85	NUM
gi-4778	114	63	sgdp016	sgdp016	PROPN
gi-4778	114	64	129	129	NUM
gi-4778	114	65	88.67	88.67	NUM
gi-4778	114	66	74.92	74.92	NUM
gi-4778	114	67	sgen10	sgen10	NOUN
gi-4778	114	68	98	98	NUM
gi-4778	114	69	223.96	223.96	NUM
gi-4778	114	70	87.87	87.87	NUM
gi-4778	114	71	sgen11	sgen11	NOUN
gi-4778	114	72	121	121	NUM
gi-4778	114	73	237.15	237.15	NUM
gi-4778	114	74	129.08	129.08	NUM
gi-4778	114	75	usl01	usl01	NOUN
gi-4778	114	76	111	111	NUM
gi-4778	114	77	50.83	50.83	NUM
gi-4778	114	78	116.56	116.56	NUM
gi-4778	114	79	geoinformatics	geoinformatic	NOUN
gi-4778	114	80	fce	fce	VERB
gi-4778	114	81	ctu	ctu	NOUN
gi-4778	114	82	17(1	17(1	NOUN
gi-4778	114	83	)	)	PUNCT
gi-4778	114	84	,	,	PUNCT
gi-4778	114	85	2018	2018	NUM
gi-4778	114	86	54	54	NUM
gi-4778	114	87	o.	o.	NOUN
gi-4778	114	88	g.	g.	PROPN
gi-4778	114	89	omogunloye	omogunloye	PROPN
gi-4778	114	90	et	et	PROPN
gi-4778	114	91	al	al	PROPN
gi-4778	114	92	.	.	PROPN
gi-4778	114	93	:	:	PUNCT
gi-4778	115	1	an	an	DET
gi-4778	115	2	alternative	alternative	ADJ
gi-4778	115	3	choice	choice	NOUN
gi-4778	115	4	in	in	ADP
gi-4778	115	5	heighting	heighting	ADJ
gi-4778	115	6	table	table	NOUN
gi-4778	115	7	4	4	NUM
gi-4778	115	8	:	:	PUNCT
gi-4778	115	9	descriptive	descriptive	ADJ
gi-4778	115	10	statistics	statistic	NOUN
gi-4778	115	11	test	test	NOUN
gi-4778	115	12	result	result	NOUN
gi-4778	115	13	.	.	PUNCT
gi-4778	116	1	n	n	PRON
gi-4778	116	2	range	range	VERB
gi-4778	116	3	minimum	minimum	ADJ
gi-4778	116	4	maximum	maximum	ADJ
gi-4778	116	5	mean	mean	ADJ
gi-4778	116	6	std	std	PROPN
gi-4778	116	7	.	.	PROPN
gi-4778	116	8	dev	dev	PROPN
gi-4778	116	9	.	.	PUNCT
gi-4778	117	1	statistic	statistic	PROPN
gi-4778	117	2	statistic	statistic	PROPN
gi-4778	117	3	statistic	statistic	PROPN
gi-4778	117	4	statistic	statistic	NOUN
gi-4778	117	5	statistic	statistic	NOUN
gi-4778	117	6	std	std	NOUN
gi-4778	117	7	.	.	PUNCT
gi-4778	117	8	error	error	NOUN
gi-4778	117	9	statistic	statistic	NOUN
gi-4778	117	10	lidar	lidar	NOUN
gi-4778	117	11	ortho	ortho	PROPN
gi-4778	117	12	44	44	NUM
gi-4778	117	13	7	7	NUM
gi-4778	117	14	1	1	NUM
gi-4778	117	15	8	8	NUM
gi-4778	117	16	3.94	3.94	NUM
gi-4778	117	17	.245	.245	NUM
gi-4778	117	18	1.317	1.317	NUM
gi-4778	117	19	ground	ground	NOUN
gi-4778	117	20	ortho	ortho	PROPN
gi-4778	117	21	44	44	NUM
gi-4778	117	22	5	5	NUM
gi-4778	117	23	1	1	NUM
gi-4778	117	24	6	6	NUM
gi-4778	117	25	3.96	3.96	NUM
gi-4778	117	26	.152	.152	NUM
gi-4778	117	27	1.010	1.010	NUM
gi-4778	117	28	strm	strm	NOUN
gi-4778	117	29	ortho	ortho	PROPN
gi-4778	117	30	44	44	NUM
gi-4778	118	1	12	12	NUM
gi-4778	118	2	0	0	NUM
gi-4778	118	3	12	12	NUM
gi-4778	118	4	8.00	8.00	NUM
gi-4778	118	5	.473	.473	NUM
gi-4778	118	6	3.137	3.137	NUM
gi-4778	118	7	aster	aster	NOUN
gi-4778	118	8	ortho	ortho	PROPN
gi-4778	118	9	44	44	NUM
gi-4778	118	10	7	7	NUM
gi-4778	118	11	1	1	NUM
gi-4778	118	12	8	8	NUM
gi-4778	118	13	4.17	4.17	NUM
gi-4778	118	14	.262	.262	NUM
gi-4778	118	15	1.736	1.736	NUM
gi-4778	118	16	valid	valid	ADJ
gi-4778	118	17	n	n	PROPN
gi-4778	118	18	44	44	NUM
gi-4778	118	19	3.2	3.2	NUM
gi-4778	118	20	.	.	PUNCT
gi-4778	119	1	descriptive	descriptive	ADJ
gi-4778	119	2	statistics	statistic	NOUN
gi-4778	119	3	test	test	NOUN
gi-4778	119	4	on	on	ADP
gi-4778	119	5	the	the	DET
gi-4778	119	6	acquired	acquire	VERB
gi-4778	119	7	orthometric	orthometric	ADJ
gi-4778	119	8	heights	height	NOUN
gi-4778	119	9	descriptive	descriptive	ADJ
gi-4778	119	10	statistics	statistic	NOUN
gi-4778	119	11	is	be	AUX
gi-4778	119	12	studied	study	VERB
gi-4778	119	13	to	to	PART
gi-4778	119	14	learn	learn	VERB
gi-4778	119	15	how	how	SCONJ
gi-4778	119	16	to	to	PART
gi-4778	119	17	gather	gather	VERB
gi-4778	119	18	together	together	ADV
gi-4778	119	19	and	and	CCONJ
gi-4778	119	20	summarized	summarize	VERB
gi-4778	119	21	data	datum	NOUN
gi-4778	119	22	in	in	ADP
gi-4778	119	23	such	such	DET
gi-4778	119	24	a	a	DET
gi-4778	119	25	way	way	NOUN
gi-4778	119	26	as	as	SCONJ
gi-4778	119	27	to	to	PART
gi-4778	119	28	make	make	VERB
gi-4778	119	29	them	they	PRON
gi-4778	119	30	readily	readily	ADV
gi-4778	119	31	comprehensive	comprehensive	ADJ
gi-4778	119	32	.	.	PUNCT
gi-4778	120	1	the	the	DET
gi-4778	120	2	result	result	NOUN
gi-4778	120	3	of	of	ADP
gi-4778	120	4	the	the	DET
gi-4778	120	5	descriptive	descriptive	ADJ
gi-4778	120	6	statistics	statistic	NOUN
gi-4778	120	7	test	test	NOUN
gi-4778	120	8	carried	carry	VERB
gi-4778	120	9	out	out	ADP
gi-4778	120	10	on	on	ADP
gi-4778	120	11	the	the	DET
gi-4778	120	12	various	various	ADJ
gi-4778	120	13	orthometric	orthometric	ADJ
gi-4778	120	14	heights	height	NOUN
gi-4778	120	15	acquired	acquire	VERB
gi-4778	120	16	from	from	ADP
gi-4778	120	17	all	all	DET
gi-4778	120	18	the	the	DET
gi-4778	120	19	methods	method	NOUN
gi-4778	120	20	was	be	AUX
gi-4778	120	21	shown	show	VERB
gi-4778	120	22	in	in	ADP
gi-4778	120	23	table	table	NOUN
gi-4778	120	24	4	4	NUM
gi-4778	120	25	.	.	ADP
gi-4778	120	26	3.3	3.3	NUM
gi-4778	120	27	.	.	PUNCT
gi-4778	121	1	correlation	correlation	NOUN
gi-4778	121	2	test	test	NOUN
gi-4778	121	3	between	between	ADP
gi-4778	121	4	various	various	ADJ
gi-4778	121	5	orthometric	orthometric	ADJ
gi-4778	121	6	heights	height	NOUN
gi-4778	121	7	acquired	acquire	VERB
gi-4778	121	8	in	in	ADP
gi-4778	121	9	summary	summary	NOUN
gi-4778	121	10	,	,	PUNCT
gi-4778	121	11	correlation	correlation	NOUN
gi-4778	121	12	coefficients	coefficient	NOUN
gi-4778	121	13	are	be	AUX
gi-4778	121	14	used	use	VERB
gi-4778	121	15	to	to	PART
gi-4778	121	16	assess	assess	VERB
gi-4778	121	17	the	the	DET
gi-4778	121	18	strength	strength	NOUN
gi-4778	121	19	and	and	CCONJ
gi-4778	121	20	direction	direction	NOUN
gi-4778	121	21	of	of	ADP
gi-4778	121	22	the	the	DET
gi-4778	121	23	linear	linear	ADJ
gi-4778	121	24	relationships	relationship	NOUN
gi-4778	121	25	between	between	ADP
gi-4778	121	26	pairs	pair	NOUN
gi-4778	121	27	of	of	ADP
gi-4778	121	28	variables	variable	NOUN
gi-4778	121	29	.	.	PUNCT
gi-4778	122	1	when	when	SCONJ
gi-4778	122	2	both	both	DET
gi-4778	122	3	variables	variable	NOUN
gi-4778	122	4	are	be	AUX
gi-4778	122	5	normally	normally	ADV
gi-4778	122	6	distributed	distribute	VERB
gi-4778	122	7	,	,	PUNCT
gi-4778	122	8	pearson	pearson	PROPN
gi-4778	122	9	’s	’s	PART
gi-4778	122	10	correlation	correlation	NOUN
gi-4778	122	11	coefficient	coefficient	NOUN
gi-4778	122	12	is	be	AUX
gi-4778	122	13	used	use	VERB
gi-4778	122	14	,	,	PUNCT
gi-4778	122	15	otherwise	otherwise	ADV
gi-4778	122	16	spearman	spearman	NOUN
gi-4778	122	17	’s	’s	PART
gi-4778	122	18	correlation	correlation	NOUN
gi-4778	122	19	coefficient	coefficient	NOUN
gi-4778	122	20	is	be	AUX
gi-4778	122	21	required	require	VERB
gi-4778	122	22	.	.	PUNCT
gi-4778	123	1	in	in	ADP
gi-4778	123	2	statistics	statistic	NOUN
gi-4778	123	3	,	,	PUNCT
gi-4778	123	4	the	the	DET
gi-4778	123	5	correlation	correlation	NOUN
gi-4778	123	6	coefficient	coefficient	NOUN
gi-4778	123	7	r	r	NOUN
gi-4778	123	8	measures	measure	VERB
gi-4778	123	9	the	the	DET
gi-4778	123	10	strength	strength	NOUN
gi-4778	123	11	and	and	CCONJ
gi-4778	123	12	direction	direction	NOUN
gi-4778	123	13	of	of	ADP
gi-4778	123	14	a	a	DET
gi-4778	123	15	linear	linear	ADJ
gi-4778	123	16	relationship	relationship	NOUN
gi-4778	123	17	between	between	ADP
gi-4778	123	18	two	two	NUM
gi-4778	123	19	variables	variable	NOUN
gi-4778	123	20	on	on	ADP
gi-4778	123	21	a	a	DET
gi-4778	123	22	scatterplot	scatterplot	NOUN
gi-4778	123	23	.	.	PUNCT
gi-4778	124	1	the	the	DET
gi-4778	124	2	value	value	NOUN
gi-4778	124	3	of	of	ADP
gi-4778	124	4	r	r	NOUN
gi-4778	124	5	is	be	AUX
gi-4778	124	6	always	always	ADV
gi-4778	124	7	between	between	ADP
gi-4778	124	8	+1	+1	PROPN
gi-4778	124	9	and	and	CCONJ
gi-4778	124	10	–	–	PUNCT
gi-4778	124	11	1	1	NUM
gi-4778	124	12	.	.	PUNCT
gi-4778	124	13	to	to	PART
gi-4778	124	14	interpret	interpret	VERB
gi-4778	124	15	its	its	PRON
gi-4778	124	16	value	value	NOUN
gi-4778	124	17	,	,	PUNCT
gi-4778	124	18	see	see	VERB
gi-4778	124	19	which	which	PRON
gi-4778	124	20	of	of	ADP
gi-4778	124	21	the	the	DET
gi-4778	124	22	following	follow	VERB
gi-4778	124	23	values	value	NOUN
gi-4778	124	24	your	your	PRON
gi-4778	124	25	correlation	correlation	NOUN
gi-4778	124	26	r	r	NOUN
gi-4778	124	27	is	be	AUX
gi-4778	124	28	closest	close	ADJ
gi-4778	124	29	to	to	PART
gi-4778	124	30	:	:	PUNCT
gi-4778	124	31	exactly	exactly	ADV
gi-4778	124	32	-1	-1	ADP
gi-4778	124	33	a	a	DET
gi-4778	124	34	perfect	perfect	ADJ
gi-4778	124	35	downhill	downhill	ADV
gi-4778	124	36	(	(	PUNCT
gi-4778	124	37	negative	negative	ADJ
gi-4778	124	38	)	)	PUNCT
gi-4778	124	39	linear	linear	PROPN
gi-4778	124	40	relationship	relationship	NOUN
gi-4778	124	41	-0.70	-0.70	X
gi-4778	124	42	a	a	DET
gi-4778	124	43	strong	strong	ADJ
gi-4778	124	44	downhill	downhill	ADV
gi-4778	124	45	(	(	PUNCT
gi-4778	124	46	negative	negative	ADJ
gi-4778	124	47	)	)	PUNCT
gi-4778	124	48	linear	linear	PROPN
gi-4778	124	49	relationship	relationship	NOUN
gi-4778	124	50	-0.50	-0.50	PROPN
gi-4778	124	51	a	a	DET
gi-4778	124	52	moderate	moderate	ADJ
gi-4778	124	53	downhill	downhill	ADV
gi-4778	124	54	(	(	PUNCT
gi-4778	124	55	negative	negative	ADJ
gi-4778	124	56	)	)	PUNCT
gi-4778	124	57	relationship	relationship	NOUN
gi-4778	124	58	-0.30	-0.30	VERB
gi-4778	124	59	a	a	DET
gi-4778	124	60	weak	weak	ADJ
gi-4778	124	61	downhill	downhill	ADV
gi-4778	124	62	(	(	PUNCT
gi-4778	124	63	negative	negative	ADJ
gi-4778	124	64	)	)	PUNCT
gi-4778	124	65	linear	linear	ADJ
gi-4778	124	66	relationship	relationship	NOUN
gi-4778	124	67	0	0	PUNCT
gi-4778	125	1	no	no	DET
gi-4778	125	2	linear	linear	ADJ
gi-4778	125	3	relationship	relationship	NOUN
gi-4778	125	4	+0.30	+0.30	PROPN
gi-4778	125	5	a	a	DET
gi-4778	125	6	weak	weak	ADJ
gi-4778	125	7	uphill	uphill	ADJ
gi-4778	125	8	(	(	PUNCT
gi-4778	125	9	positive	positive	ADJ
gi-4778	125	10	)	)	PUNCT
gi-4778	125	11	linear	linear	PROPN
gi-4778	125	12	relationship	relationship	NOUN
gi-4778	125	13	+0.50	+0.50	PROPN
gi-4778	125	14	a	a	DET
gi-4778	125	15	moderate	moderate	ADJ
gi-4778	125	16	uphill	uphill	ADJ
gi-4778	125	17	(	(	PUNCT
gi-4778	125	18	positive	positive	ADJ
gi-4778	125	19	)	)	PUNCT
gi-4778	125	20	relationship	relationship	NOUN
gi-4778	125	21	+0.70	+0.70	PUNCT
gi-4778	125	22	a	a	DET
gi-4778	125	23	strong	strong	ADJ
gi-4778	125	24	uphill	uphill	ADJ
gi-4778	125	25	(	(	PUNCT
gi-4778	125	26	positive	positive	ADJ
gi-4778	125	27	)	)	PUNCT
gi-4778	125	28	linear	linear	PROPN
gi-4778	125	29	relationship	relationship	NOUN
gi-4778	125	30	exactly	exactly	ADV
gi-4778	125	31	+1	+1	PROPN
gi-4778	125	32	a	a	DET
gi-4778	125	33	perfect	perfect	ADJ
gi-4778	125	34	uphill	uphill	ADJ
gi-4778	125	35	(	(	PUNCT
gi-4778	125	36	positive	positive	ADJ
gi-4778	125	37	)	)	PUNCT
gi-4778	125	38	linear	linear	ADJ
gi-4778	125	39	relationship	relationship	NOUN
gi-4778	125	40	correlation	correlation	NOUN
gi-4778	125	41	is	be	AUX
gi-4778	125	42	the	the	DET
gi-4778	125	43	mutual	mutual	ADJ
gi-4778	125	44	or	or	CCONJ
gi-4778	125	45	degree	degree	NOUN
gi-4778	125	46	of	of	ADP
gi-4778	125	47	relationship	relationship	NOUN
gi-4778	125	48	between	between	ADP
gi-4778	125	49	two	two	NUM
gi-4778	125	50	or	or	CCONJ
gi-4778	125	51	more	more	ADJ
gi-4778	125	52	variables	variable	NOUN
gi-4778	125	53	i.e.	i.e.	X
gi-4778	125	54	independent	independent	ADJ
gi-4778	125	55	and	and	CCONJ
gi-4778	125	56	dependent	dependent	ADJ
gi-4778	125	57	variables	variable	NOUN
gi-4778	125	58	.	.	PUNCT
gi-4778	126	1	this	this	DET
gi-4778	126	2	test	test	NOUN
gi-4778	126	3	was	be	AUX
gi-4778	126	4	carried	carry	VERB
gi-4778	126	5	out	out	ADP
gi-4778	126	6	to	to	PART
gi-4778	126	7	check	check	VERB
gi-4778	126	8	the	the	DET
gi-4778	126	9	strength	strength	NOUN
gi-4778	126	10	of	of	ADP
gi-4778	126	11	the	the	DET
gi-4778	126	12	relationship(s	relationship(s	NOUN
gi-4778	126	13	)	)	PUNCT
gi-4778	126	14	in	in	ADP
gi-4778	126	15	the	the	DET
gi-4778	126	16	obtained	obtain	VERB
gi-4778	126	17	orthometric	orthometric	ADJ
gi-4778	126	18	heights	height	NOUN
gi-4778	126	19	.	.	PUNCT
gi-4778	127	1	there	there	PRON
gi-4778	127	2	are	be	VERB
gi-4778	127	3	different	different	ADJ
gi-4778	127	4	types	type	NOUN
gi-4778	127	5	of	of	ADP
gi-4778	127	6	correlation	correlation	NOUN
gi-4778	127	7	,	,	PUNCT
gi-4778	127	8	but	but	CCONJ
gi-4778	127	9	for	for	ADP
gi-4778	127	10	the	the	DET
gi-4778	127	11	purpose	purpose	NOUN
gi-4778	127	12	of	of	ADP
gi-4778	127	13	this	this	DET
gi-4778	127	14	research	research	NOUN
gi-4778	127	15	work	work	NOUN
gi-4778	127	16	the	the	DET
gi-4778	127	17	pearson	pearson	PROPN
gi-4778	127	18	’s	’s	PART
gi-4778	127	19	correlation	correlation	NOUN
gi-4778	127	20	method	method	NOUN
gi-4778	127	21	was	be	AUX
gi-4778	127	22	adopted	adopt	VERB
gi-4778	127	23	.	.	PUNCT
gi-4778	128	1	for	for	ADP
gi-4778	128	2	typical	typical	ADJ
gi-4778	128	3	variables	variable	NOUN
gi-4778	128	4	x	x	PUNCT
gi-4778	128	5	and	and	CCONJ
gi-4778	128	6	y	y	PROPN
gi-4778	128	7	,	,	PUNCT
gi-4778	128	8	a	a	DET
gi-4778	128	9	positive	positive	ADJ
gi-4778	128	10	correlation	correlation	NOUN
gi-4778	128	11	will	will	AUX
gi-4778	128	12	be	be	AUX
gi-4778	128	13	observed	observe	VERB
gi-4778	128	14	when	when	SCONJ
gi-4778	128	15	the	the	DET
gi-4778	128	16	increasing	increase	VERB
gi-4778	128	17	values	value	NOUN
gi-4778	128	18	of	of	ADP
gi-4778	128	19	one	one	NUM
gi-4778	128	20	variable	variable	NOUN
gi-4778	128	21	x	x	PRON
gi-4778	128	22	are	be	AUX
gi-4778	128	23	associated	associate	VERB
gi-4778	128	24	with	with	ADP
gi-4778	128	25	increasing	increase	VERB
gi-4778	128	26	values	value	NOUN
gi-4778	128	27	of	of	ADP
gi-4778	128	28	the	the	DET
gi-4778	128	29	other	other	ADJ
gi-4778	128	30	variable	variable	NOUN
gi-4778	128	31	y.	y.	PROPN
gi-4778	128	32	however	however	ADV
gi-4778	128	33	when	when	SCONJ
gi-4778	128	34	an	an	DET
gi-4778	128	35	increasing	increase	VERB
gi-4778	128	36	values	value	NOUN
gi-4778	128	37	of	of	ADP
gi-4778	128	38	one	one	NUM
gi-4778	128	39	variable	variable	NOUN
gi-4778	128	40	x	x	PRON
gi-4778	128	41	are	be	AUX
gi-4778	128	42	associated	associate	VERB
gi-4778	128	43	with	with	ADP
gi-4778	128	44	decreasing	decrease	VERB
gi-4778	128	45	values	value	NOUN
gi-4778	128	46	of	of	ADP
gi-4778	128	47	the	the	DET
gi-4778	128	48	other	other	ADJ
gi-4778	128	49	variable	variable	NOUN
gi-4778	129	1	y	y	PROPN
gi-4778	129	2	then	then	ADV
gi-4778	129	3	we	we	PRON
gi-4778	129	4	have	have	VERB
gi-4778	129	5	negative	negative	ADJ
gi-4778	129	6	correlation	correlation	NOUN
gi-4778	129	7	.	.	PUNCT
gi-4778	130	1	the	the	DET
gi-4778	130	2	product	product	NOUN
gi-4778	130	3	moment	moment	NOUN
gi-4778	130	4	correlation	correlation	NOUN
gi-4778	130	5	coefficient	coefficient	NOUN
gi-4778	130	6	r	r	NOUN
gi-4778	130	7	is	be	AUX
gi-4778	130	8	given	give	VERB
gi-4778	130	9	by	by	ADP
gi-4778	130	10	r	r	NOUN
gi-4778	130	11	=	=	SYM
gi-4778	130	12	n	n	PROPN
gi-4778	130	13	∑	∑	NOUN
gi-4778	130	14	xy	xy	PROPN
gi-4778	130	15	−	−	NOUN
gi-4778	130	16	∑	∑	PUNCT
gi-4778	130	17	x	x	SYM
gi-4778	130	18	∑	∑	PUNCT
gi-4778	130	19	y√	y√	PROPN
gi-4778	130	20	(	(	PUNCT
gi-4778	130	21	n	n	PROPN
gi-4778	130	22	∑	∑	PROPN
gi-4778	130	23	x2	x2	PROPN
gi-4778	130	24	−	−	PROPN
gi-4778	130	25	(	(	PUNCT
gi-4778	130	26	∑	∑	PROPN
gi-4778	130	27	x)2)(n	x)2)(n	PROPN
gi-4778	130	28	∑	∑	PUNCT
gi-4778	130	29	y	y	PROPN
gi-4778	130	30	2	2	NUM
gi-4778	130	31	−	−	PROPN
gi-4778	130	32	(	(	PUNCT
gi-4778	130	33	∑	∑	NOUN
gi-4778	130	34	y	y	PROPN
gi-4778	130	35	)	)	PUNCT
gi-4778	130	36	2	2	X
gi-4778	130	37	)	)	PUNCT
gi-4778	130	38	geoinformatics	geoinformatic	NOUN
gi-4778	130	39	fce	fce	VERB
gi-4778	130	40	ctu	ctu	NOUN
gi-4778	130	41	17(1	17(1	NOUN
gi-4778	130	42	)	)	PUNCT
gi-4778	130	43	,	,	PUNCT
gi-4778	130	44	2018	2018	NUM
gi-4778	130	45	55	55	NUM
gi-4778	130	46	o.	o.	NOUN
gi-4778	130	47	g.	g.	PROPN
gi-4778	130	48	omogunloye	omogunloye	PROPN
gi-4778	130	49	et	et	PROPN
gi-4778	130	50	al	al	PROPN
gi-4778	130	51	.	.	PROPN
gi-4778	130	52	:	:	PUNCT
gi-4778	131	1	an	an	DET
gi-4778	131	2	alternative	alternative	ADJ
gi-4778	131	3	choice	choice	NOUN
gi-4778	131	4	in	in	ADP
gi-4778	131	5	heighting	heighting	PROPN
gi-4778	131	6	where	where	SCONJ
gi-4778	131	7	n	n	PRON
gi-4778	131	8	is	be	AUX
gi-4778	131	9	the	the	DET
gi-4778	131	10	number	number	NOUN
gi-4778	131	11	of	of	ADP
gi-4778	131	12	sample	sample	NOUN
gi-4778	131	13	,	,	PUNCT
gi-4778	131	14	x	x	PROPN
gi-4778	131	15	and	and	CCONJ
gi-4778	131	16	y	y	PROPN
gi-4778	131	17	are	be	AUX
gi-4778	131	18	the	the	DET
gi-4778	131	19	dependent	dependent	ADJ
gi-4778	131	20	and	and	CCONJ
gi-4778	131	21	the	the	DET
gi-4778	131	22	independent	independent	ADJ
gi-4778	131	23	variable	variable	NOUN
gi-4778	131	24	whose	whose	DET
gi-4778	131	25	relationship	relationship	NOUN
gi-4778	131	26	are	be	AUX
gi-4778	131	27	to	to	PART
gi-4778	131	28	be	be	AUX
gi-4778	131	29	established	establish	VERB
gi-4778	131	30	.	.	PUNCT
gi-4778	132	1	when	when	SCONJ
gi-4778	132	2	this	this	DET
gi-4778	132	3	correlation	correlation	NOUN
gi-4778	132	4	test	test	NOUN
gi-4778	132	5	was	be	AUX
gi-4778	132	6	performed	perform	VERB
gi-4778	132	7	between	between	ADP
gi-4778	132	8	orthometric	orthometric	ADJ
gi-4778	132	9	heights	height	NOUN
gi-4778	132	10	from	from	ADP
gi-4778	132	11	levelling	levelling	NOUN
gi-4778	132	12	/	/	SYM
gi-4778	132	13	gps	gps	PROPN
gi-4778	132	14	method	method	NOUN
gi-4778	132	15	and	and	CCONJ
gi-4778	132	16	aster	aster	NOUN
gi-4778	132	17	gdem	gdem	PROPN
gi-4778	132	18	method	method	NOUN
gi-4778	132	19	,	,	PUNCT
gi-4778	132	20	a	a	DET
gi-4778	132	21	low	low	ADJ
gi-4778	132	22	positive	positive	ADJ
gi-4778	132	23	correlation	correlation	NOUN
gi-4778	132	24	of	of	ADP
gi-4778	132	25	r	r	NOUN
gi-4778	132	26	=	=	NOUN
gi-4778	132	27	0.179	0.179	NUM
gi-4778	132	28	was	be	AUX
gi-4778	132	29	obtained	obtain	VERB
gi-4778	132	30	.	.	PUNCT
gi-4778	133	1	for	for	ADP
gi-4778	133	2	correlation	correlation	NOUN
gi-4778	133	3	analysis	analysis	NOUN
gi-4778	133	4	between	between	ADP
gi-4778	133	5	levelling	levelling	NOUN
gi-4778	133	6	/	/	SYM
gi-4778	133	7	gps	gps	PROPN
gi-4778	133	8	method	method	NOUN
gi-4778	133	9	and	and	CCONJ
gi-4778	133	10	srtm	srtm	NOUN
gi-4778	133	11	method	method	NOUN
gi-4778	133	12	,	,	PUNCT
gi-4778	133	13	a	a	DET
gi-4778	133	14	week	week	NOUN
gi-4778	133	15	negative	negative	ADJ
gi-4778	133	16	correlation	correlation	NOUN
gi-4778	133	17	of	of	ADP
gi-4778	133	18	r	r	NOUN
gi-4778	133	19	=	=	PUNCT
gi-4778	133	20	−0.255	−0.255	NOUN
gi-4778	133	21	.	.	PUNCT
gi-4778	134	1	however	however	ADV
gi-4778	134	2	,	,	PUNCT
gi-4778	134	3	when	when	SCONJ
gi-4778	134	4	this	this	DET
gi-4778	134	5	same	same	ADJ
gi-4778	134	6	test	test	NOUN
gi-4778	134	7	was	be	AUX
gi-4778	134	8	executed	execute	VERB
gi-4778	134	9	between	between	ADP
gi-4778	134	10	orthometric	orthometric	ADJ
gi-4778	134	11	heights	height	NOUN
gi-4778	134	12	from	from	ADP
gi-4778	134	13	levelling	levelling	NOUN
gi-4778	134	14	/	/	SYM
gi-4778	134	15	gps	gps	PROPN
gi-4778	134	16	method	method	NOUN
gi-4778	134	17	and	and	CCONJ
gi-4778	134	18	lidar	lidar	NOUN
gi-4778	134	19	method	method	NOUN
gi-4778	134	20	,	,	PUNCT
gi-4778	134	21	a	a	DET
gi-4778	134	22	strong	strong	ADJ
gi-4778	134	23	positive	positive	ADJ
gi-4778	134	24	correlation	correlation	NOUN
gi-4778	134	25	of	of	ADP
gi-4778	134	26	r	r	NOUN
gi-4778	134	27	=	=	SYM
gi-4778	134	28	0.831	0.831	NUM
gi-4778	134	29	was	be	AUX
gi-4778	134	30	achieved	achieve	VERB
gi-4778	134	31	.	.	PUNCT
gi-4778	135	1	having	having	AUX
gi-4778	135	2	carried	carry	VERB
gi-4778	135	3	out	out	ADP
gi-4778	135	4	the	the	DET
gi-4778	135	5	correlation	correlation	NOUN
gi-4778	135	6	analyses	analysis	NOUN
gi-4778	135	7	between	between	ADP
gi-4778	135	8	the	the	DET
gi-4778	135	9	orthometric	orthometric	ADJ
gi-4778	135	10	heights	height	NOUN
gi-4778	135	11	generated	generate	VERB
gi-4778	135	12	from	from	ADP
gi-4778	135	13	ground	ground	NOUN
gi-4778	135	14	method	method	NOUN
gi-4778	135	15	and	and	CCONJ
gi-4778	135	16	those	those	PRON
gi-4778	135	17	generated	generate	VERB
gi-4778	135	18	from	from	ADP
gi-4778	135	19	other	other	ADJ
gi-4778	135	20	methods	method	NOUN
gi-4778	135	21	,	,	PUNCT
gi-4778	135	22	table	table	NOUN
gi-4778	135	23	5	5	NUM
gi-4778	135	24	shows	show	VERB
gi-4778	135	25	the	the	DET
gi-4778	135	26	result	result	NOUN
gi-4778	135	27	of	of	ADP
gi-4778	135	28	the	the	DET
gi-4778	135	29	correlation	correlation	NOUN
gi-4778	135	30	test	test	NOUN
gi-4778	135	31	.	.	PUNCT
gi-4778	136	1	table	table	NOUN
gi-4778	136	2	5	5	NUM
gi-4778	136	3	:	:	PUNCT
gi-4778	136	4	correlation	correlation	NOUN
gi-4778	136	5	analysis	analysis	NOUN
gi-4778	136	6	between	between	ADP
gi-4778	136	7	orthometric	orthometric	ADJ
gi-4778	136	8	heights	height	NOUN
gi-4778	136	9	generated	generate	VERB
gi-4778	136	10	from	from	ADP
gi-4778	136	11	ground	ground	NOUN
gi-4778	136	12	method	method	NOUN
gi-4778	136	13	and	and	CCONJ
gi-4778	136	14	that	that	SCONJ
gi-4778	136	15	generated	generate	VERB
gi-4778	136	16	from	from	ADP
gi-4778	136	17	other	other	ADJ
gi-4778	136	18	methods	method	NOUN
gi-4778	136	19	.	.	PUNCT
gi-4778	137	1	correlation	correlation	NOUN
gi-4778	137	2	r	r	NOUN
gi-4778	137	3	between	between	ADP
gi-4778	137	4	orthometric	orthometric	ADJ
gi-4778	137	5	heights	height	NOUN
gi-4778	137	6	from	from	ADP
gi-4778	137	7	levelling	levelling	NOUN
gi-4778	137	8	/	/	SYM
gi-4778	137	9	gps	gps	PROPN
gi-4778	137	10	method	method	NOUN
gi-4778	137	11	and	and	CCONJ
gi-4778	137	12	lidar	lidar	NOUN
gi-4778	137	13	method	method	NOUN
gi-4778	137	14	aster	aster	NOUN
gi-4778	137	15	gdem	gdem	PROPN
gi-4778	137	16	method	method	NOUN
gi-4778	137	17	srtm	srtm	NOUN
gi-4778	137	18	method	method	NOUN
gi-4778	137	19	value	value	NOUN
gi-4778	137	20	of	of	ADP
gi-4778	137	21	r	r	NOUN
gi-4778	137	22	0.831	0.831	NUM
gi-4778	137	23	0.179	0.179	NUM
gi-4778	137	24	-0.255	-0.255	PUNCT
gi-4778	137	25	very	very	ADV
gi-4778	137	26	high	high	ADJ
gi-4778	137	27	positive	positive	ADJ
gi-4778	137	28	low	low	ADJ
gi-4778	137	29	positive	positive	ADJ
gi-4778	137	30	low	low	ADJ
gi-4778	137	31	negative	negative	ADJ
gi-4778	137	32	3.4	3.4	NUM
gi-4778	137	33	.	.	PUNCT
gi-4778	138	1	percentage	percentage	NOUN
gi-4778	138	2	of	of	ADP
gi-4778	138	3	ratio	ratio	NOUN
gi-4778	138	4	test	test	NOUN
gi-4778	138	5	the	the	DET
gi-4778	138	6	percentage	percentage	NOUN
gi-4778	138	7	ratio	ratio	NOUN
gi-4778	138	8	test	test	NOUN
gi-4778	138	9	is	be	AUX
gi-4778	138	10	basically	basically	ADV
gi-4778	138	11	a	a	DET
gi-4778	138	12	ratio	ratio	NOUN
gi-4778	138	13	analysis	analysis	NOUN
gi-4778	138	14	that	that	PRON
gi-4778	138	15	compare	compare	VERB
gi-4778	138	16	samples	sample	NOUN
gi-4778	138	17	of	of	ADP
gi-4778	138	18	observation	observation	NOUN
gi-4778	138	19	of	of	ADP
gi-4778	138	20	a	a	DET
gi-4778	138	21	given	give	VERB
gi-4778	138	22	quantity	quantity	NOUN
gi-4778	138	23	to	to	ADP
gi-4778	138	24	the	the	DET
gi-4778	138	25	corrected	correct	VERB
gi-4778	138	26	value	value	NOUN
gi-4778	138	27	or	or	CCONJ
gi-4778	138	28	measure	measure	NOUN
gi-4778	138	29	.	.	PUNCT
gi-4778	139	1	in	in	ADP
gi-4778	139	2	this	this	DET
gi-4778	139	3	study	study	NOUN
gi-4778	139	4	,	,	PUNCT
gi-4778	139	5	each	each	PRON
gi-4778	139	6	of	of	ADP
gi-4778	139	7	the	the	DET
gi-4778	139	8	orthometric	orthometric	ADJ
gi-4778	139	9	height	height	NOUN
gi-4778	139	10	generated	generate	VERB
gi-4778	139	11	by	by	ADP
gi-4778	139	12	the	the	DET
gi-4778	139	13	ground	ground	NOUN
gi-4778	139	14	levelling	levelling	NOUN
gi-4778	139	15	/	/	SYM
gi-4778	139	16	gps	gps	PROPN
gi-4778	139	17	method	method	NOUN
gi-4778	139	18	were	be	AUX
gi-4778	139	19	taken	take	VERB
gi-4778	139	20	as	as	ADP
gi-4778	139	21	the	the	DET
gi-4778	139	22	corrected	correct	VERB
gi-4778	139	23	orthometric	orthometric	ADJ
gi-4778	139	24	height	height	NOUN
gi-4778	139	25	for	for	ADP
gi-4778	139	26	all	all	DET
gi-4778	139	27	control	control	NOUN
gi-4778	139	28	points	point	NOUN
gi-4778	139	29	used	use	VERB
gi-4778	139	30	in	in	ADP
gi-4778	139	31	this	this	DET
gi-4778	139	32	study	study	NOUN
gi-4778	139	33	since	since	SCONJ
gi-4778	139	34	the	the	DET
gi-4778	139	35	best	good	ADJ
gi-4778	139	36	of	of	ADP
gi-4778	139	37	height	height	NOUN
gi-4778	139	38	reliability	reliability	NOUN
gi-4778	139	39	till	till	SCONJ
gi-4778	139	40	date	date	NOUN
gi-4778	139	41	is	be	AUX
gi-4778	139	42	determined	determine	VERB
gi-4778	139	43	by	by	ADP
gi-4778	139	44	this	this	DET
gi-4778	139	45	method	method	NOUN
gi-4778	139	46	,	,	PUNCT
gi-4778	139	47	100	100	NUM
gi-4778	139	48	%	%	NOUN
gi-4778	139	49	test	test	NOUN
gi-4778	139	50	value	value	NOUN
gi-4778	139	51	is	be	AUX
gi-4778	139	52	assigned	assign	VERB
gi-4778	139	53	to	to	ADP
gi-4778	139	54	heights	height	NOUN
gi-4778	139	55	acquired	acquire	VERB
gi-4778	139	56	through	through	ADP
gi-4778	139	57	this	this	DET
gi-4778	139	58	method	method	NOUN
gi-4778	139	59	in	in	ADP
gi-4778	139	60	relation	relation	NOUN
gi-4778	139	61	to	to	ADP
gi-4778	139	62	height	height	NOUN
gi-4778	139	63	obtained	obtain	VERB
gi-4778	139	64	from	from	ADP
gi-4778	139	65	other	other	ADJ
gi-4778	139	66	methods	method	NOUN
gi-4778	139	67	.	.	PUNCT
gi-4778	140	1	hence	hence	ADV
gi-4778	140	2	,	,	PUNCT
gi-4778	140	3	ranks	rank	NOUN
gi-4778	140	4	were	be	AUX
gi-4778	140	5	assigned	assign	VERB
gi-4778	140	6	to	to	ADP
gi-4778	140	7	the	the	DET
gi-4778	140	8	orthometric	orthometric	ADJ
gi-4778	140	9	heights	height	NOUN
gi-4778	140	10	obtained	obtain	VERB
gi-4778	140	11	from	from	ADP
gi-4778	140	12	lidar	lidar	NOUN
gi-4778	140	13	,	,	PUNCT
gi-4778	140	14	srtm	srtm	NOUN
gi-4778	140	15	and	and	CCONJ
gi-4778	140	16	aster	aster	NOUN
gi-4778	140	17	gdem	gdem	PROPN
gi-4778	140	18	data	datum	NOUN
gi-4778	140	19	based	base	VERB
gi-4778	140	20	on	on	ADP
gi-4778	140	21	the	the	DET
gi-4778	140	22	closeness	closeness	NOUN
gi-4778	140	23	of	of	ADP
gi-4778	140	24	their	their	PRON
gi-4778	140	25	orthometric	orthometric	ADJ
gi-4778	140	26	heights	height	NOUN
gi-4778	140	27	to	to	ADP
gi-4778	140	28	that	that	PRON
gi-4778	140	29	of	of	ADP
gi-4778	140	30	the	the	DET
gi-4778	140	31	levelling	levelling	NOUN
gi-4778	140	32	/	/	SYM
gi-4778	140	33	gps	gps	PROPN
gi-4778	140	34	method	method	NOUN
gi-4778	140	35	.	.	PUNCT
gi-4778	141	1	these	these	DET
gi-4778	141	2	ranks	rank	NOUN
gi-4778	141	3	are	be	AUX
gi-4778	141	4	then	then	ADV
gi-4778	141	5	use	use	ADJ
gi-4778	141	6	to	to	PART
gi-4778	141	7	identify	identify	VERB
gi-4778	141	8	the	the	DET
gi-4778	141	9	approach	approach	NOUN
gi-4778	141	10	that	that	PRON
gi-4778	141	11	can	can	AUX
gi-4778	141	12	serve	serve	VERB
gi-4778	141	13	or	or	CCONJ
gi-4778	141	14	be	be	AUX
gi-4778	141	15	adopted	adopt	VERB
gi-4778	141	16	as	as	ADP
gi-4778	141	17	an	an	DET
gi-4778	141	18	alternative	alternative	NOUN
gi-4778	141	19	to	to	ADP
gi-4778	141	20	orthometric	orthometric	ADJ
gi-4778	141	21	height	height	NOUN
gi-4778	141	22	determination	determination	NOUN
gi-4778	141	23	by	by	ADP
gi-4778	141	24	levelling	levelling	NOUN
gi-4778	141	25	/	/	SYM
gi-4778	141	26	gps	gps	PROPN
gi-4778	141	27	method	method	NOUN
gi-4778	141	28	.	.	PUNCT
gi-4778	142	1	the	the	DET
gi-4778	142	2	number	number	NOUN
gi-4778	142	3	of	of	ADP
gi-4778	142	4	points	point	NOUN
gi-4778	142	5	with	with	ADP
gi-4778	142	6	orthometric	orthometric	ADJ
gi-4778	142	7	heights	height	NOUN
gi-4778	142	8	value	value	NOUN
gi-4778	142	9	that	that	PRON
gi-4778	142	10	are	be	AUX
gi-4778	142	11	close	close	ADJ
gi-4778	142	12	to	to	ADP
gi-4778	142	13	that	that	PRON
gi-4778	142	14	of	of	ADP
gi-4778	142	15	levelling	levelling	NOUN
gi-4778	142	16	/	/	SYM
gi-4778	142	17	gps	gps	PROPN
gi-4778	142	18	method	method	NOUN
gi-4778	142	19	were	be	AUX
gi-4778	142	20	noted	note	VERB
gi-4778	142	21	and	and	CCONJ
gi-4778	142	22	counted	count	VERB
gi-4778	142	23	based	base	VERB
gi-4778	142	24	on	on	ADP
gi-4778	142	25	the	the	DET
gi-4778	142	26	values	value	NOUN
gi-4778	142	27	obtained	obtain	VERB
gi-4778	142	28	from	from	ADP
gi-4778	142	29	their	their	PRON
gi-4778	142	30	percentage	percentage	NOUN
gi-4778	142	31	of	of	ADP
gi-4778	142	32	ratio	ratio	NOUN
gi-4778	142	33	test	test	NOUN
gi-4778	142	34	.	.	PUNCT
gi-4778	143	1	table	table	NOUN
gi-4778	143	2	3	3	NUM
gi-4778	143	3	shows	show	VERB
gi-4778	143	4	the	the	DET
gi-4778	143	5	percentage	percentage	NOUN
gi-4778	143	6	of	of	ADP
gi-4778	143	7	ratio	ratio	NOUN
gi-4778	143	8	test	test	NOUN
gi-4778	143	9	results	result	NOUN
gi-4778	143	10	and	and	CCONJ
gi-4778	143	11	table	table	NOUN
gi-4778	143	12	6	6	NUM
gi-4778	143	13	presents	present	VERB
gi-4778	143	14	the	the	DET
gi-4778	143	15	number	number	NOUN
gi-4778	143	16	of	of	ADP
gi-4778	143	17	points	point	NOUN
gi-4778	143	18	in	in	ADP
gi-4778	143	19	other	other	ADJ
gi-4778	143	20	methods	method	NOUN
gi-4778	143	21	whose	whose	DET
gi-4778	143	22	orthometric	orthometric	ADJ
gi-4778	143	23	heights	height	NOUN
gi-4778	143	24	are	be	AUX
gi-4778	143	25	comparably	comparably	ADV
gi-4778	143	26	close	close	ADJ
gi-4778	143	27	to	to	ADP
gi-4778	143	28	the	the	DET
gi-4778	143	29	orthometric	orthometric	ADJ
gi-4778	143	30	heights	height	NOUN
gi-4778	143	31	obtained	obtain	VERB
gi-4778	143	32	by	by	ADP
gi-4778	143	33	levelling	levelling	NOUN
gi-4778	143	34	/	/	SYM
gi-4778	143	35	gps	gps	PROPN
gi-4778	143	36	method	method	NOUN
gi-4778	143	37	.	.	PUNCT
gi-4778	143	38	table	table	NOUN
gi-4778	143	39	6	6	NUM
gi-4778	143	40	:	:	PUNCT
gi-4778	143	41	the	the	DET
gi-4778	143	42	number	number	NOUN
gi-4778	143	43	of	of	ADP
gi-4778	143	44	points	point	NOUN
gi-4778	143	45	in	in	ADP
gi-4778	143	46	other	other	ADJ
gi-4778	143	47	methods	method	NOUN
gi-4778	143	48	whose	whose	DET
gi-4778	143	49	orthometric	orthometric	ADJ
gi-4778	143	50	height	height	NOUN
gi-4778	143	51	is	be	AUX
gi-4778	143	52	closed	close	VERB
gi-4778	143	53	to	to	ADP
gi-4778	143	54	that	that	PRON
gi-4778	143	55	of	of	ADP
gi-4778	143	56	leveling	leveling	NOUN
gi-4778	143	57	/	/	SYM
gi-4778	143	58	gps	gps	PROPN
gi-4778	143	59	method	method	NOUN
gi-4778	143	60	.	.	PUNCT
gi-4778	144	1	method	method	NOUN
gi-4778	144	2	points	point	NOUN
gi-4778	144	3	lidar	lidar	VERB
gi-4778	144	4	26	26	NUM
gi-4778	144	5	srtm	srtm	NOUN
gi-4778	144	6	3	3	NUM
gi-4778	144	7	aster	aster	NOUN
gi-4778	144	8	gdem	gdem	PROPN
gi-4778	144	9	13	13	NUM
gi-4778	144	10	geoinformatics	geoinformatic	NOUN
gi-4778	144	11	fce	fce	VERB
gi-4778	144	12	ctu	ctu	NOUN
gi-4778	144	13	17(1	17(1	NOUN
gi-4778	144	14	)	)	PUNCT
gi-4778	144	15	,	,	PUNCT
gi-4778	144	16	2018	2018	NUM
gi-4778	144	17	56	56	NUM
gi-4778	144	18	o.	o.	NOUN
gi-4778	144	19	g.	g.	PROPN
gi-4778	144	20	omogunloye	omogunloye	PROPN
gi-4778	144	21	et	et	PROPN
gi-4778	144	22	al	al	PROPN
gi-4778	144	23	.	.	PROPN
gi-4778	144	24	:	:	PUNCT
gi-4778	145	1	an	an	DET
gi-4778	145	2	alternative	alternative	ADJ
gi-4778	145	3	choice	choice	NOUN
gi-4778	145	4	in	in	ADP
gi-4778	145	5	heighting	heighting	PROPN
gi-4778	145	6	3.5	3.5	NUM
gi-4778	145	7	.	.	PUNCT
gi-4778	146	1	one	one	NUM
gi-4778	146	2	way	way	NOUN
gi-4778	146	3	anova	anova	PROPN
gi-4778	146	4	test	test	VERB
gi-4778	146	5	on	on	ADP
gi-4778	146	6	the	the	DET
gi-4778	146	7	acquired	acquire	VERB
gi-4778	146	8	orthometric	orthometric	ADJ
gi-4778	146	9	heights	height	NOUN
gi-4778	146	10	analysis	analysis	NOUN
gi-4778	146	11	of	of	ADP
gi-4778	146	12	variance	variance	NOUN
gi-4778	146	13	is	be	AUX
gi-4778	146	14	applied	apply	VERB
gi-4778	146	15	after	after	SCONJ
gi-4778	146	16	the	the	DET
gi-4778	146	17	results	result	NOUN
gi-4778	146	18	of	of	ADP
gi-4778	146	19	the	the	DET
gi-4778	146	20	designed	design	VERB
gi-4778	146	21	experiment	experiment	NOUN
gi-4778	146	22	have	have	AUX
gi-4778	146	23	been	be	AUX
gi-4778	146	24	obtained	obtain	VERB
gi-4778	146	25	.	.	PUNCT
gi-4778	147	1	it	it	PRON
gi-4778	147	2	is	be	AUX
gi-4778	147	3	used	use	VERB
gi-4778	147	4	for	for	ADP
gi-4778	147	5	comparison	comparison	NOUN
gi-4778	147	6	of	of	ADP
gi-4778	147	7	more	more	ADJ
gi-4778	147	8	than	than	ADP
gi-4778	147	9	two	two	NUM
gi-4778	147	10	means	mean	NOUN
gi-4778	147	11	and	and	CCONJ
gi-4778	147	12	also	also	ADV
gi-4778	147	13	to	to	PART
gi-4778	147	14	control	control	VERB
gi-4778	147	15	error	error	NOUN
gi-4778	147	16	due	due	ADP
gi-4778	147	17	to	to	ADP
gi-4778	147	18	randomization	randomization	NOUN
gi-4778	147	19	.	.	PUNCT
gi-4778	148	1	here	here	ADV
gi-4778	148	2	,	,	PUNCT
gi-4778	148	3	measurements	measurement	NOUN
gi-4778	148	4	are	be	AUX
gi-4778	148	5	obtained	obtain	VERB
gi-4778	148	6	from	from	ADP
gi-4778	148	7	4	4	NUM
gi-4778	148	8	independent	independent	ADJ
gi-4778	148	9	groups	group	NOUN
gi-4778	148	10	of	of	ADP
gi-4778	148	11	samples	sample	NOUN
gi-4778	148	12	,	,	PUNCT
gi-4778	148	13	where	where	SCONJ
gi-4778	148	14	the	the	DET
gi-4778	148	15	number	number	NOUN
gi-4778	148	16	of	of	ADP
gi-4778	148	17	measurements	measurement	NOUN
gi-4778	148	18	in	in	ADP
gi-4778	148	19	each	each	DET
gi-4778	148	20	group	group	NOUN
gi-4778	148	21	is	be	AUX
gi-4778	148	22	uniquely	uniquely	ADV
gi-4778	148	23	the	the	DET
gi-4778	148	24	number	number	NOUN
gi-4778	148	25	of	of	ADP
gi-4778	148	26	control	control	NOUN
gi-4778	148	27	points	point	NOUN
gi-4778	148	28	used	use	VERB
gi-4778	148	29	for	for	ADP
gi-4778	148	30	the	the	DET
gi-4778	148	31	study	study	NOUN
gi-4778	148	32	.	.	PUNCT
gi-4778	149	1	hypothesis	hypothesis	NOUN
gi-4778	149	2	formulated	formulate	VERB
gi-4778	149	3	include	include	VERB
gi-4778	149	4	;	;	PUNCT
gi-4778	149	5	null	null	ADJ
gi-4778	149	6	hypothesis	hypothesis	NOUN
gi-4778	149	7	:	:	PUNCT
gi-4778	149	8	there	there	PRON
gi-4778	149	9	is	be	VERB
gi-4778	149	10	no	no	DET
gi-4778	149	11	difference	difference	NOUN
gi-4778	149	12	between	between	ADP
gi-4778	149	13	the	the	DET
gi-4778	149	14	mean	mean	ADJ
gi-4778	149	15	weights	weight	NOUN
gi-4778	149	16	of	of	ADP
gi-4778	149	17	all	all	DET
gi-4778	149	18	orthometric	orthometric	ADJ
gi-4778	149	19	heights	height	NOUN
gi-4778	149	20	generated	generate	VERB
gi-4778	149	21	.	.	PUNCT
gi-4778	150	1	alternative	alternative	ADJ
gi-4778	150	2	hypothesis	hypothesis	NOUN
gi-4778	150	3	:	:	PUNCT
gi-4778	150	4	the	the	DET
gi-4778	150	5	mean	mean	ADJ
gi-4778	150	6	weight	weight	NOUN
gi-4778	150	7	of	of	ADP
gi-4778	150	8	all	all	DET
gi-4778	150	9	orthometric	orthometric	ADJ
gi-4778	150	10	heights	height	NOUN
gi-4778	150	11	generated	generate	VERB
gi-4778	150	12	are	be	AUX
gi-4778	150	13	not	not	PART
gi-4778	150	14	equal	equal	ADJ
gi-4778	150	15	h1	h1	NOUN
gi-4778	150	16	:	:	PUNCT
gi-4778	150	17	µ1	µ1	VERB
gi-4778	150	18	6=µ2	6=µ2	ADJ
gi-4778	150	19	6=µ3	6=µ3	NUM
gi-4778	150	20	6=µ4	6=µ4	NUM
gi-4778	150	21	where	where	SCONJ
gi-4778	150	22	are	be	AUX
gi-4778	150	23	the	the	DET
gi-4778	150	24	population	population	NOUN
gi-4778	150	25	mean	mean	VERB
gi-4778	150	26	weight	weight	NOUN
gi-4778	150	27	of	of	ADP
gi-4778	150	28	ground	ground	NOUN
gi-4778	150	29	,	,	PUNCT
gi-4778	150	30	lidar	lidar	NOUN
gi-4778	150	31	,	,	PUNCT
gi-4778	150	32	srtm	srtm	NOUN
gi-4778	150	33	and	and	CCONJ
gi-4778	150	34	aster	aster	NOUN
gi-4778	150	35	gdem	gdem	PROPN
gi-4778	150	36	orthometric	orthometric	ADJ
gi-4778	150	37	heights	height	NOUN
gi-4778	150	38	respectively	respectively	ADV
gi-4778	150	39	.	.	PUNCT
gi-4778	151	1	table	table	NOUN
gi-4778	151	2	7	7	NUM
gi-4778	151	3	is	be	AUX
gi-4778	151	4	a	a	DET
gi-4778	151	5	highlight	highlight	NOUN
gi-4778	151	6	of	of	ADP
gi-4778	151	7	the	the	DET
gi-4778	151	8	result	result	NOUN
gi-4778	151	9	of	of	ADP
gi-4778	151	10	one	one	NUM
gi-4778	151	11	way	way	NOUN
gi-4778	151	12	anova	anova	PROPN
gi-4778	151	13	test	test	NOUN
gi-4778	151	14	carried	carry	VERB
gi-4778	151	15	out	out	ADP
gi-4778	151	16	on	on	ADP
gi-4778	151	17	all	all	DET
gi-4778	151	18	the	the	DET
gi-4778	151	19	acquired	acquire	VERB
gi-4778	151	20	orthometric	orthometric	ADJ
gi-4778	151	21	heights	height	NOUN
gi-4778	151	22	.	.	PUNCT
gi-4778	152	1	table	table	NOUN
gi-4778	152	2	7	7	NUM
gi-4778	152	3	:	:	PUNCT
gi-4778	152	4	one	one	NUM
gi-4778	152	5	way	way	NOUN
gi-4778	152	6	anova	anova	PROPN
gi-4778	152	7	test	test	VERB
gi-4778	152	8	at	at	ADP
gi-4778	152	9	5	5	NUM
gi-4778	152	10	%	%	NOUN
gi-4778	152	11	and	and	CCONJ
gi-4778	152	12	1	1	NUM
gi-4778	152	13	%	%	NOUN
gi-4778	152	14	signicance	signicance	NOUN
gi-4778	152	15	level	level	NOUN
gi-4778	152	16	variation	variation	NOUN
gi-4778	152	17	degree	degree	NOUN
gi-4778	152	18	of	of	ADP
gi-4778	152	19	mean	mean	PROPN
gi-4778	152	20	f	f	X
gi-4778	152	21	significant	significant	ADJ
gi-4778	152	22	significant	significant	ADJ
gi-4778	152	23	source	source	NOUN
gi-4778	152	24	freedom	freedom	NOUN
gi-4778	152	25	square	square	ADJ
gi-4778	152	26	ratio	ratio	NOUN
gi-4778	152	27	t(1	t(1	NOUN
gi-4778	152	28	%	%	NOUN
gi-4778	152	29	)	)	PUNCT
gi-4778	153	1	t(5	t(5	NOUN
gi-4778	153	2	%	%	NOUN
gi-4778	153	3	)	)	PUNCT
gi-4778	153	4	between	between	ADP
gi-4778	153	5	3	3	NUM
gi-4778	153	6	65.273	65.273	NUM
gi-4778	153	7	16.73	16.73	NUM
gi-4778	153	8	3.78	3.78	NUM
gi-4778	153	9	2.6	2.6	NUM
gi-4778	153	10	samples	sample	NOUN
gi-4778	153	11	within	within	ADP
gi-4778	153	12	172	172	NUM
gi-4778	153	13	3.90samples	3.90samples	PROPN
gi-4778	153	14	total	total	NOUN
gi-4778	153	15	175	175	NUM
gi-4778	153	16	4.95	4.95	NUM
gi-4778	153	17	3.6	3.6	NUM
gi-4778	153	18	.	.	PUNCT
gi-4778	154	1	profile	profile	NOUN
gi-4778	154	2	plot	plot	NOUN
gi-4778	154	3	of	of	ADP
gi-4778	154	4	1	1	NUM
gi-4778	154	5	to	to	PART
gi-4778	154	6	44	44	NUM
gi-4778	154	7	ground	ground	NOUN
gi-4778	154	8	control	control	NOUN
gi-4778	154	9	points	point	NOUN
gi-4778	154	10	against	against	ADP
gi-4778	154	11	their	their	PRON
gi-4778	154	12	orthometric	orthometric	ADJ
gi-4778	154	13	height	height	NOUN
gi-4778	154	14	from	from	ADP
gi-4778	154	15	various	various	ADJ
gi-4778	154	16	methods	method	NOUN
gi-4778	154	17	plotting	plot	VERB
gi-4778	154	18	the	the	DET
gi-4778	154	19	profile	profile	NOUN
gi-4778	154	20	of	of	ADP
gi-4778	154	21	the	the	DET
gi-4778	154	22	orthometric	orthometric	ADJ
gi-4778	154	23	heights	height	NOUN
gi-4778	154	24	obtained	obtain	VERB
gi-4778	154	25	from	from	ADP
gi-4778	154	26	various	various	ADJ
gi-4778	154	27	methods	method	NOUN
gi-4778	154	28	would	would	AUX
gi-4778	154	29	help	help	VERB
gi-4778	154	30	us	we	PRON
gi-4778	154	31	to	to	PART
gi-4778	154	32	determine	determine	VERB
gi-4778	154	33	how	how	SCONJ
gi-4778	154	34	each	each	PRON
gi-4778	154	35	of	of	ADP
gi-4778	154	36	the	the	DET
gi-4778	154	37	orthometric	orthometric	ADJ
gi-4778	154	38	height	height	NOUN
gi-4778	154	39	relates	relate	VERB
gi-4778	154	40	with	with	ADP
gi-4778	154	41	one	one	NUM
gi-4778	154	42	another	another	DET
gi-4778	154	43	.	.	PUNCT
gi-4778	155	1	figure	figure	NOUN
gi-4778	155	2	8	8	NUM
gi-4778	155	3	shows	show	VERB
gi-4778	155	4	the	the	DET
gi-4778	155	5	profiles	profile	NOUN
gi-4778	155	6	of	of	ADP
gi-4778	155	7	1	1	NUM
gi-4778	155	8	to	to	PART
gi-4778	155	9	44	44	NUM
gi-4778	155	10	ground	ground	NOUN
gi-4778	155	11	control	control	NOUN
gi-4778	155	12	points	point	NOUN
gi-4778	155	13	against	against	ADP
gi-4778	155	14	their	their	PRON
gi-4778	155	15	orthometric	orthometric	ADJ
gi-4778	155	16	height	height	NOUN
gi-4778	155	17	,	,	PUNCT
gi-4778	155	18	obtained	obtain	VERB
gi-4778	155	19	from	from	ADP
gi-4778	155	20	various	various	ADJ
gi-4778	155	21	methods	method	NOUN
gi-4778	155	22	.	.	PUNCT
gi-4778	156	1	3.7	3.7	NUM
gi-4778	156	2	.	.	PUNCT
gi-4778	157	1	result	result	NOUN
gi-4778	157	2	interpretation	interpretation	NOUN
gi-4778	157	3	from	from	ADP
gi-4778	157	4	all	all	DET
gi-4778	157	5	the	the	DET
gi-4778	157	6	analysis	analysis	NOUN
gi-4778	157	7	having	having	AUX
gi-4778	157	8	carried	carry	VERB
gi-4778	157	9	out	out	ADP
gi-4778	157	10	several	several	ADJ
gi-4778	157	11	analyses	analysis	NOUN
gi-4778	157	12	on	on	ADP
gi-4778	157	13	all	all	DET
gi-4778	157	14	the	the	DET
gi-4778	157	15	orthometric	orthometric	ADJ
gi-4778	157	16	heights	height	NOUN
gi-4778	157	17	acquired	acquire	VERB
gi-4778	157	18	from	from	ADP
gi-4778	157	19	all	all	DET
gi-4778	157	20	the	the	DET
gi-4778	157	21	methods	method	NOUN
gi-4778	157	22	used	use	VERB
gi-4778	157	23	,	,	PUNCT
gi-4778	157	24	the	the	DET
gi-4778	157	25	following	follow	VERB
gi-4778	157	26	results	result	NOUN
gi-4778	157	27	were	be	AUX
gi-4778	157	28	obtained	obtain	VERB
gi-4778	157	29	:	:	PUNCT
gi-4778	157	30	(	(	PUNCT
gi-4778	157	31	i	i	NOUN
gi-4778	157	32	)	)	PUNCT
gi-4778	157	33	from	from	ADP
gi-4778	157	34	table	table	NOUN
gi-4778	157	35	4	4	NUM
gi-4778	157	36	it	it	PRON
gi-4778	157	37	is	be	AUX
gi-4778	157	38	obvious	obvious	ADJ
gi-4778	157	39	that	that	SCONJ
gi-4778	157	40	the	the	DET
gi-4778	157	41	standard	standard	ADJ
gi-4778	157	42	deviations	deviation	NOUN
gi-4778	157	43	,	,	PUNCT
gi-4778	157	44	variances	variance	NOUN
gi-4778	157	45	,	,	PUNCT
gi-4778	157	46	and	and	CCONJ
gi-4778	157	47	standard	standard	ADJ
gi-4778	157	48	error	error	NOUN
gi-4778	157	49	increases	increase	NOUN
gi-4778	157	50	in	in	ADP
gi-4778	157	51	the	the	DET
gi-4778	157	52	order	order	NOUN
gi-4778	157	53	indicated	indicate	VERB
gi-4778	157	54	in	in	ADP
gi-4778	157	55	the	the	DET
gi-4778	157	56	arrow	arrow	NOUN
gi-4778	157	57	diagram	diagram	NOUN
gi-4778	157	58	.	.	PUNCT
gi-4778	158	1	levelling	levelling	NOUN
gi-4778	158	2	/	/	SYM
gi-4778	158	3	gps	gps	PROPN
gi-4778	158	4	orthometric	orthometric	ADJ
gi-4778	158	5	height	height	NOUN
gi-4778	158	6	→	→	PUNCT
gi-4778	158	7	lidar	lidar	NOUN
gi-4778	158	8	orthometric	orthometric	NOUN
gi-4778	158	9	→	→	SYM
gi-4778	158	10	aster	aster	NOUN
gi-4778	158	11	gdem	gdem	NOUN
gi-4778	158	12	orthometric→	orthometric→	PROPN
gi-4778	158	13	srtm	srtm	NOUN
gi-4778	158	14	orthometric	orthometric	NOUN
gi-4778	158	15	.	.	PUNCT
gi-4778	159	1	this	this	PRON
gi-4778	159	2	was	be	AUX
gi-4778	159	3	geoinformatics	geoinformatic	NOUN
gi-4778	159	4	fce	fce	VERB
gi-4778	159	5	ctu	ctu	NOUN
gi-4778	159	6	17(1	17(1	NOUN
gi-4778	159	7	)	)	PUNCT
gi-4778	159	8	,	,	PUNCT
gi-4778	159	9	2018	2018	NUM
gi-4778	159	10	57	57	NUM
gi-4778	159	11	o.	o.	NOUN
gi-4778	159	12	g.	g.	PROPN
gi-4778	159	13	omogunloye	omogunloye	PROPN
gi-4778	159	14	et	et	PROPN
gi-4778	159	15	al	al	PROPN
gi-4778	159	16	.	.	PROPN
gi-4778	159	17	:	:	PUNCT
gi-4778	160	1	an	an	DET
gi-4778	160	2	alternative	alternative	ADJ
gi-4778	160	3	choice	choice	NOUN
gi-4778	160	4	in	in	ADP
gi-4778	160	5	heighting	heighting	ADJ
gi-4778	160	6	figure	figure	NOUN
gi-4778	160	7	8	8	NUM
gi-4778	160	8	:	:	PUNCT
gi-4778	160	9	profiles	profile	NOUN
gi-4778	160	10	of	of	ADP
gi-4778	160	11	1	1	NUM
gi-4778	160	12	to	to	PART
gi-4778	160	13	44	44	NUM
gi-4778	160	14	ground	ground	NOUN
gi-4778	160	15	control	control	NOUN
gi-4778	160	16	points	point	NOUN
gi-4778	160	17	against	against	ADP
gi-4778	160	18	their	their	PRON
gi-4778	160	19	orthometric	orthometric	ADJ
gi-4778	160	20	heights	height	NOUN
gi-4778	160	21	obtained	obtain	VERB
gi-4778	160	22	from	from	ADP
gi-4778	160	23	various	various	ADJ
gi-4778	160	24	methods	method	NOUN
gi-4778	160	25	.	.	PUNCT
gi-4778	161	1	attributed	attribute	VERB
gi-4778	161	2	to	to	ADP
gi-4778	161	3	differences	difference	NOUN
gi-4778	161	4	in	in	ADP
gi-4778	161	5	the	the	DET
gi-4778	161	6	accuracy	accuracy	NOUN
gi-4778	161	7	of	of	ADP
gi-4778	161	8	the	the	DET
gi-4778	161	9	method	method	NOUN
gi-4778	161	10	of	of	ADP
gi-4778	161	11	data	datum	NOUN
gi-4778	161	12	collection	collection	NOUN
gi-4778	161	13	and	and	CCONJ
gi-4778	161	14	the	the	DET
gi-4778	161	15	spatial	spatial	ADJ
gi-4778	161	16	resolution	resolution	NOUN
gi-4778	161	17	of	of	ADP
gi-4778	161	18	the	the	DET
gi-4778	161	19	methods	method	NOUN
gi-4778	161	20	used	use	VERB
gi-4778	161	21	.	.	PUNCT
gi-4778	162	1	(	(	PUNCT
gi-4778	162	2	ii	ii	NOUN
gi-4778	162	3	)	)	PUNCT
gi-4778	162	4	from	from	ADP
gi-4778	162	5	table	table	NOUN
gi-4778	162	6	7	7	NUM
gi-4778	162	7	,	,	PUNCT
gi-4778	162	8	the	the	DET
gi-4778	162	9	f	f	PROPN
gi-4778	162	10	tabulated	tabulate	VERB
gi-4778	162	11	is	be	AUX
gi-4778	162	12	less	less	ADJ
gi-4778	162	13	than	than	ADP
gi-4778	162	14	the	the	DET
gi-4778	162	15	f	f	PROPN
gi-4778	162	16	calculated	calculate	VERB
gi-4778	162	17	(	(	PUNCT
gi-4778	162	18	ftab	ftab	NOUN
gi-4778	162	19	<	<	X
gi-4778	162	20	fcal	fcal	ADJ
gi-4778	162	21	)	)	PUNCT
gi-4778	162	22	at	at	ADP
gi-4778	162	23	1	1	NUM
gi-4778	162	24	%	%	NOUN
gi-4778	162	25	and	and	CCONJ
gi-4778	162	26	5	5	NUM
gi-4778	162	27	%	%	NOUN
gi-4778	162	28	level	level	NOUN
gi-4778	162	29	of	of	ADP
gi-4778	162	30	significance	significance	NOUN
gi-4778	162	31	indicating	indicate	VERB
gi-4778	162	32	the	the	DET
gi-4778	162	33	rejection	rejection	NOUN
gi-4778	162	34	of	of	ADP
gi-4778	162	35	null	null	ADJ
gi-4778	162	36	hypothesis	hypothesis	NOUN
gi-4778	162	37	thus	thus	ADV
gi-4778	162	38	the	the	DET
gi-4778	162	39	mean	mean	ADJ
gi-4778	162	40	weight	weight	NOUN
gi-4778	162	41	of	of	ADP
gi-4778	162	42	orthometric	orthometric	ADJ
gi-4778	162	43	heights	height	NOUN
gi-4778	162	44	generated	generate	VERB
gi-4778	162	45	from	from	ADP
gi-4778	162	46	all	all	DET
gi-4778	162	47	the	the	DET
gi-4778	162	48	methods	method	NOUN
gi-4778	162	49	are	be	AUX
gi-4778	162	50	not	not	PART
gi-4778	162	51	the	the	DET
gi-4778	162	52	same	same	ADJ
gi-4778	162	53	.	.	PUNCT
gi-4778	163	1	(	(	PUNCT
gi-4778	163	2	iii	iii	NOUN
gi-4778	163	3	)	)	PUNCT
gi-4778	163	4	from	from	ADP
gi-4778	163	5	table	table	NOUN
gi-4778	163	6	5	5	NUM
gi-4778	163	7	,	,	PUNCT
gi-4778	163	8	the	the	DET
gi-4778	163	9	degree	degree	NOUN
gi-4778	163	10	of	of	ADP
gi-4778	163	11	relationship	relationship	NOUN
gi-4778	163	12	existing	exist	VERB
gi-4778	163	13	between	between	ADP
gi-4778	163	14	levelling	levelling	NOUN
gi-4778	163	15	/	/	SYM
gi-4778	163	16	gps	gps	PROPN
gi-4778	163	17	and	and	CCONJ
gi-4778	163	18	lidar	lidar	NOUN
gi-4778	163	19	orthometric	orthometric	ADJ
gi-4778	163	20	height	height	NOUN
gi-4778	163	21	was	be	AUX
gi-4778	163	22	high	high	ADJ
gi-4778	163	23	,	,	PUNCT
gi-4778	163	24	indicating	indicate	VERB
gi-4778	163	25	the	the	DET
gi-4778	163	26	closeness	closeness	NOUN
gi-4778	163	27	of	of	ADP
gi-4778	163	28	their	their	PRON
gi-4778	163	29	orthometric	orthometric	ADJ
gi-4778	163	30	heights	height	NOUN
gi-4778	163	31	at	at	ADP
gi-4778	163	32	several	several	ADJ
gi-4778	163	33	points	point	NOUN
gi-4778	163	34	.	.	PUNCT
gi-4778	164	1	the	the	DET
gi-4778	164	2	degree	degree	NOUN
gi-4778	164	3	of	of	ADP
gi-4778	164	4	such	such	ADJ
gi-4778	164	5	relationship	relationship	NOUN
gi-4778	164	6	is	be	AUX
gi-4778	164	7	very	very	ADV
gi-4778	164	8	low	low	ADJ
gi-4778	164	9	between	between	ADP
gi-4778	164	10	levelling	levelling	NOUN
gi-4778	164	11	/	/	SYM
gi-4778	164	12	gps	gps	PROPN
gi-4778	164	13	and	and	CCONJ
gi-4778	164	14	aster	aster	NOUN
gi-4778	164	15	gdem	gdem	PROPN
gi-4778	164	16	orthometric	orthometric	ADJ
gi-4778	164	17	heights	height	NOUN
gi-4778	164	18	;	;	PUNCT
gi-4778	164	19	this	this	PRON
gi-4778	164	20	indicates	indicate	VERB
gi-4778	164	21	that	that	SCONJ
gi-4778	164	22	the	the	DET
gi-4778	164	23	orthometric	orthometric	ADJ
gi-4778	164	24	heights	height	NOUN
gi-4778	164	25	generated	generate	VERB
gi-4778	164	26	by	by	ADP
gi-4778	164	27	the	the	DET
gi-4778	164	28	two	two	NUM
gi-4778	164	29	methods	method	NOUN
gi-4778	164	30	implies	imply	VERB
gi-4778	164	31	higher	high	ADJ
gi-4778	164	32	disagreement	disagreement	NOUN
gi-4778	164	33	at	at	ADP
gi-4778	164	34	several	several	ADJ
gi-4778	164	35	points	point	NOUN
gi-4778	164	36	,	,	PUNCT
gi-4778	164	37	this	this	PRON
gi-4778	164	38	can	can	AUX
gi-4778	164	39	also	also	ADV
gi-4778	164	40	be	be	AUX
gi-4778	164	41	attributed	attribute	VERB
gi-4778	164	42	to	to	ADP
gi-4778	164	43	the	the	DET
gi-4778	164	44	differences	difference	NOUN
gi-4778	164	45	in	in	ADP
gi-4778	164	46	the	the	DET
gi-4778	164	47	accuracy	accuracy	NOUN
gi-4778	164	48	of	of	ADP
gi-4778	164	49	the	the	DET
gi-4778	164	50	method	method	NOUN
gi-4778	164	51	of	of	ADP
gi-4778	164	52	data	datum	NOUN
gi-4778	164	53	collection	collection	NOUN
gi-4778	164	54	and	and	CCONJ
gi-4778	164	55	the	the	DET
gi-4778	164	56	spatial	spatial	ADJ
gi-4778	164	57	resolution	resolution	NOUN
gi-4778	164	58	adopted	adopt	VERB
gi-4778	164	59	for	for	ADP
gi-4778	164	60	the	the	DET
gi-4778	164	61	two	two	NUM
gi-4778	164	62	methods	method	NOUN
gi-4778	164	63	.	.	PUNCT
gi-4778	165	1	however	however	ADV
gi-4778	165	2	a	a	DET
gi-4778	165	3	negative	negative	ADJ
gi-4778	165	4	or	or	CCONJ
gi-4778	165	5	inverse	inverse	NOUN
gi-4778	165	6	relationship	relationship	NOUN
gi-4778	165	7	exists	exist	VERB
gi-4778	165	8	between	between	ADP
gi-4778	165	9	levelling	levelling	NOUN
gi-4778	165	10	/	/	SYM
gi-4778	165	11	gps	gps	PROPN
gi-4778	165	12	and	and	CCONJ
gi-4778	165	13	srtm	srtm	NOUN
gi-4778	165	14	orthometric	orthometric	NOUN
gi-4778	165	15	,	,	PUNCT
gi-4778	165	16	indicating	indicate	VERB
gi-4778	165	17	a	a	DET
gi-4778	165	18	short	short	ADJ
gi-4778	165	19	fall	fall	NOUN
gi-4778	165	20	in	in	ADP
gi-4778	165	21	the	the	DET
gi-4778	165	22	degree	degree	NOUN
gi-4778	165	23	of	of	ADP
gi-4778	165	24	estimation	estimation	NOUN
gi-4778	165	25	of	of	ADP
gi-4778	165	26	the	the	DET
gi-4778	165	27	orthometric	orthometric	ADJ
gi-4778	165	28	heights	height	NOUN
gi-4778	165	29	at	at	ADP
gi-4778	165	30	those	those	DET
gi-4778	165	31	points	point	NOUN
gi-4778	165	32	.	.	PUNCT
gi-4778	166	1	(	(	PUNCT
gi-4778	166	2	iv	iv	X
gi-4778	166	3	)	)	PUNCT
gi-4778	166	4	from	from	ADP
gi-4778	166	5	table	table	NOUN
gi-4778	166	6	6	6	NUM
gi-4778	166	7	,	,	PUNCT
gi-4778	166	8	it	it	PRON
gi-4778	166	9	is	be	AUX
gi-4778	166	10	obvious	obvious	ADJ
gi-4778	166	11	that	that	SCONJ
gi-4778	166	12	lidar	lidar	NOUN
gi-4778	166	13	has	have	VERB
gi-4778	166	14	the	the	DET
gi-4778	166	15	highest	high	ADJ
gi-4778	166	16	number	number	NOUN
gi-4778	166	17	points	point	NOUN
gi-4778	166	18	whose	whose	DET
gi-4778	166	19	orthometric	orthometric	ADJ
gi-4778	166	20	height	height	NOUN
gi-4778	166	21	was	be	AUX
gi-4778	166	22	closer	close	ADJ
gi-4778	166	23	to	to	ADP
gi-4778	166	24	that	that	PRON
gi-4778	166	25	of	of	ADP
gi-4778	166	26	levelling	levelling	NOUN
gi-4778	166	27	/	/	SYM
gi-4778	166	28	gps	gps	PROPN
gi-4778	166	29	method	method	NOUN
gi-4778	166	30	,	,	PUNCT
gi-4778	166	31	this	this	PRON
gi-4778	166	32	was	be	AUX
gi-4778	166	33	followed	follow	VERB
gi-4778	166	34	by	by	ADP
gi-4778	166	35	aster	aster	NOUN
gi-4778	166	36	gdem	gdem	NOUN
gi-4778	166	37	and	and	CCONJ
gi-4778	166	38	srtm	srtm	NOUN
gi-4778	166	39	has	have	VERB
gi-4778	166	40	the	the	DET
gi-4778	166	41	lowest	low	ADJ
gi-4778	166	42	number	number	NOUN
gi-4778	166	43	of	of	ADP
gi-4778	166	44	points	point	NOUN
gi-4778	166	45	whose	whose	DET
gi-4778	166	46	orthometric	orthometric	ADJ
gi-4778	166	47	height	height	NOUN
gi-4778	166	48	was	be	AUX
gi-4778	166	49	closer	close	ADJ
gi-4778	166	50	to	to	ADP
gi-4778	166	51	that	that	PRON
gi-4778	166	52	of	of	ADP
gi-4778	166	53	levelling	levelling	NOUN
gi-4778	166	54	/	/	SYM
gi-4778	166	55	gps	gps	PROPN
gi-4778	166	56	method	method	NOUN
gi-4778	166	57	.	.	PUNCT
gi-4778	167	1	(	(	PUNCT
gi-4778	167	2	v	v	NOUN
gi-4778	167	3	)	)	PUNCT
gi-4778	167	4	from	from	ADP
gi-4778	167	5	the	the	DET
gi-4778	167	6	figure	figure	NOUN
gi-4778	167	7	8	8	NUM
gi-4778	167	8	i.e.	i.e.	X
gi-4778	167	9	the	the	DET
gi-4778	167	10	profile	profile	NOUN
gi-4778	167	11	diagram	diagram	NOUN
gi-4778	167	12	,	,	PUNCT
gi-4778	167	13	there	there	PRON
gi-4778	167	14	was	be	VERB
gi-4778	167	15	a	a	DET
gi-4778	167	16	likely	likely	ADJ
gi-4778	167	17	relationship	relationship	NOUN
gi-4778	167	18	between	between	ADP
gi-4778	167	19	the	the	DET
gi-4778	167	20	various	various	ADJ
gi-4778	167	21	orthometric	orthometric	ADJ
gi-4778	167	22	heights	height	NOUN
gi-4778	167	23	plotted	plot	VERB
gi-4778	167	24	.	.	PUNCT
gi-4778	168	1	this	this	PRON
gi-4778	168	2	is	be	AUX
gi-4778	168	3	attributed	attribute	VERB
gi-4778	168	4	to	to	ADP
gi-4778	168	5	the	the	DET
gi-4778	168	6	topography	topography	NOUN
gi-4778	168	7	of	of	ADP
gi-4778	168	8	the	the	DET
gi-4778	168	9	study	study	NOUN
gi-4778	168	10	area	area	NOUN
gi-4778	168	11	(	(	PUNCT
gi-4778	168	12	unilag	unilag	NOUN
gi-4778	168	13	)	)	PUNCT
gi-4778	168	14	being	be	AUX
gi-4778	168	15	in	in	ADP
gi-4778	168	16	the	the	DET
gi-4778	168	17	coastal	coastal	ADJ
gi-4778	168	18	part	part	NOUN
gi-4778	168	19	of	of	ADP
gi-4778	168	20	lagos	lagos	NOUN
gi-4778	168	21	state	state	NOUN
gi-4778	168	22	with	with	ADP
gi-4778	168	23	a	a	DET
gi-4778	168	24	very	very	ADV
gi-4778	168	25	low	low	ADJ
gi-4778	168	26	relative	relative	ADJ
gi-4778	168	27	orthometric	orthometric	ADJ
gi-4778	168	28	heights	height	NOUN
gi-4778	168	29	.	.	PUNCT
gi-4778	169	1	4	4	X
gi-4778	169	2	.	.	X
gi-4778	169	3	conclusion	conclusion	NOUN
gi-4778	169	4	from	from	ADP
gi-4778	169	5	the	the	DET
gi-4778	169	6	various	various	ADJ
gi-4778	169	7	analyses	analysis	NOUN
gi-4778	169	8	carried	carry	VERB
gi-4778	169	9	out	out	ADP
gi-4778	169	10	,	,	PUNCT
gi-4778	169	11	the	the	DET
gi-4778	169	12	following	follow	VERB
gi-4778	169	13	are	be	AUX
gi-4778	169	14	the	the	DET
gi-4778	169	15	conclusions	conclusion	NOUN
gi-4778	169	16	inferred	infer	VERB
gi-4778	169	17	:	:	PUNCT
gi-4778	169	18	geoinformatics	geoinformatic	NOUN
gi-4778	169	19	fce	fce	VERB
gi-4778	169	20	ctu	ctu	NOUN
gi-4778	169	21	17(1	17(1	NOUN
gi-4778	169	22	)	)	PUNCT
gi-4778	169	23	,	,	PUNCT
gi-4778	169	24	2018	2018	NUM
gi-4778	169	25	58	58	NUM
gi-4778	169	26	o.	o.	NOUN
gi-4778	169	27	g.	g.	PROPN
gi-4778	170	1	omogunloye	omogunloye	PROPN
gi-4778	170	2	et	et	PROPN
gi-4778	170	3	al	al	PROPN
gi-4778	170	4	.	.	PROPN
gi-4778	170	5	:	:	PUNCT
gi-4778	171	1	an	an	DET
gi-4778	171	2	alternative	alternative	ADJ
gi-4778	171	3	choice	choice	NOUN
gi-4778	171	4	in	in	ADP
gi-4778	171	5	heighting	heighting	PROPN
gi-4778	171	6	(	(	PUNCT
gi-4778	171	7	i	i	NOUN
gi-4778	171	8	)	)	PUNCT
gi-4778	171	9	from	from	ADP
gi-4778	171	10	the	the	DET
gi-4778	171	11	descriptive	descriptive	ADJ
gi-4778	171	12	statistics	statistic	NOUN
gi-4778	171	13	test	test	NOUN
gi-4778	171	14	,	,	PUNCT
gi-4778	171	15	table	table	NOUN
gi-4778	171	16	4	4	NUM
gi-4778	171	17	,	,	PUNCT
gi-4778	171	18	it	it	PRON
gi-4778	171	19	is	be	AUX
gi-4778	171	20	obvious	obvious	ADJ
gi-4778	171	21	that	that	SCONJ
gi-4778	171	22	the	the	DET
gi-4778	171	23	standard	standard	ADJ
gi-4778	171	24	deviations	deviation	NOUN
gi-4778	171	25	,	,	PUNCT
gi-4778	171	26	variances	variance	NOUN
gi-4778	171	27	,	,	PUNCT
gi-4778	171	28	and	and	CCONJ
gi-4778	171	29	standard	standard	ADJ
gi-4778	171	30	error	error	NOUN
gi-4778	171	31	increases	increase	NOUN
gi-4778	171	32	in	in	ADP
gi-4778	171	33	the	the	DET
gi-4778	171	34	order	order	NOUN
gi-4778	171	35	indicated	indicate	VERB
gi-4778	171	36	below	below	ADV
gi-4778	171	37	.	.	PUNCT
gi-4778	172	1	levelling	level	VERB
gi-4778	172	2	orthometric	orthometric	ADJ
gi-4778	172	3	height→	height→	PROPN
gi-4778	172	4	lidar	lidar	NOUN
gi-4778	172	5	orthometric→	orthometric→	INTJ
gi-4778	172	6	aster	aster	NOUN
gi-4778	172	7	gdem	gdem	NOUN
gi-4778	172	8	orthometric→	orthometric→	PROPN
gi-4778	172	9	srtm	srtm	NOUN
gi-4778	172	10	orthometric	orthometric	NOUN
gi-4778	172	11	.	.	PUNCT
gi-4778	173	1	this	this	PRON
gi-4778	173	2	specifically	specifically	ADV
gi-4778	173	3	indicates	indicate	VERB
gi-4778	173	4	that	that	SCONJ
gi-4778	173	5	the	the	DET
gi-4778	173	6	four	four	NUM
gi-4778	173	7	methods	method	NOUN
gi-4778	173	8	operate	operate	VERB
gi-4778	173	9	at	at	ADP
gi-4778	173	10	different	different	ADJ
gi-4778	173	11	spatial	spatial	ADJ
gi-4778	173	12	resolution	resolution	NOUN
gi-4778	173	13	.	.	PUNCT
gi-4778	174	1	(	(	PUNCT
gi-4778	174	2	ii	ii	NOUN
gi-4778	174	3	)	)	PUNCT
gi-4778	174	4	from	from	ADP
gi-4778	174	5	the	the	DET
gi-4778	174	6	one	one	NUM
gi-4778	174	7	way	way	NOUN
gi-4778	174	8	anova	anova	PROPN
gi-4778	174	9	test	test	NOUN
gi-4778	174	10	,	,	PUNCT
gi-4778	174	11	table	table	NOUN
gi-4778	174	12	7	7	NUM
gi-4778	174	13	,	,	PUNCT
gi-4778	174	14	the	the	DET
gi-4778	174	15	f	f	PROPN
gi-4778	174	16	tabulated	tabulate	VERB
gi-4778	174	17	is	be	AUX
gi-4778	174	18	less	less	ADJ
gi-4778	174	19	than	than	ADP
gi-4778	174	20	the	the	DET
gi-4778	174	21	f	f	PROPN
gi-4778	174	22	calculated	calculate	VERB
gi-4778	174	23	(	(	PUNCT
gi-4778	174	24	ftab	ftab	NOUN
gi-4778	174	25	<	<	X
gi-4778	174	26	fcal	fcal	ADJ
gi-4778	174	27	)	)	PUNCT
gi-4778	174	28	at	at	ADP
gi-4778	174	29	1	1	NUM
gi-4778	174	30	%	%	NOUN
gi-4778	174	31	and	and	CCONJ
gi-4778	174	32	5	5	NUM
gi-4778	174	33	%	%	NOUN
gi-4778	174	34	level	level	NOUN
gi-4778	174	35	of	of	ADP
gi-4778	174	36	significance	significance	NOUN
gi-4778	174	37	indicating	indicate	VERB
gi-4778	174	38	the	the	DET
gi-4778	174	39	rejection	rejection	NOUN
gi-4778	174	40	of	of	ADP
gi-4778	174	41	null	null	ADJ
gi-4778	174	42	hypothesis	hypothesis	NOUN
gi-4778	174	43	thus	thus	ADV
gi-4778	174	44	the	the	DET
gi-4778	174	45	mean	mean	ADJ
gi-4778	174	46	weight	weight	NOUN
gi-4778	174	47	of	of	ADP
gi-4778	174	48	orthometric	orthometric	ADJ
gi-4778	174	49	heights	height	NOUN
gi-4778	174	50	generated	generate	VERB
gi-4778	174	51	from	from	ADP
gi-4778	174	52	all	all	DET
gi-4778	174	53	the	the	DET
gi-4778	174	54	methods	method	NOUN
gi-4778	174	55	are	be	AUX
gi-4778	174	56	not	not	PART
gi-4778	174	57	the	the	DET
gi-4778	174	58	same	same	ADJ
gi-4778	174	59	.	.	PUNCT
gi-4778	175	1	(	(	PUNCT
gi-4778	175	2	iii	iii	NOUN
gi-4778	175	3	)	)	PUNCT
gi-4778	175	4	from	from	ADP
gi-4778	175	5	the	the	DET
gi-4778	175	6	correlation	correlation	NOUN
gi-4778	175	7	analysis	analysis	NOUN
gi-4778	175	8	,	,	PUNCT
gi-4778	175	9	table	table	NOUN
gi-4778	175	10	5	5	NUM
gi-4778	175	11	,	,	PUNCT
gi-4778	175	12	the	the	DET
gi-4778	175	13	degree	degree	NOUN
gi-4778	175	14	of	of	ADP
gi-4778	175	15	relationship	relationship	NOUN
gi-4778	175	16	existing	exist	VERB
gi-4778	175	17	between	between	ADP
gi-4778	175	18	levelling	levelling	NOUN
gi-4778	175	19	/	/	SYM
gi-4778	175	20	gps	gps	PROPN
gi-4778	175	21	and	and	CCONJ
gi-4778	175	22	lidar	lidar	NOUN
gi-4778	175	23	orthometric	orthometric	ADJ
gi-4778	175	24	height	height	NOUN
gi-4778	175	25	was	be	AUX
gi-4778	175	26	high	high	ADJ
gi-4778	175	27	,	,	PUNCT
gi-4778	175	28	indicating	indicate	VERB
gi-4778	175	29	the	the	DET
gi-4778	175	30	closeness	closeness	NOUN
gi-4778	175	31	of	of	ADP
gi-4778	175	32	their	their	PRON
gi-4778	175	33	orthometric	orthometric	ADJ
gi-4778	175	34	heights	height	NOUN
gi-4778	175	35	at	at	ADP
gi-4778	175	36	several	several	ADJ
gi-4778	175	37	points	point	NOUN
gi-4778	175	38	.	.	PUNCT
gi-4778	176	1	the	the	DET
gi-4778	176	2	degree	degree	NOUN
gi-4778	176	3	of	of	ADP
gi-4778	176	4	relationship	relationship	NOUN
gi-4778	176	5	between	between	ADP
gi-4778	176	6	levelling	levelling	NOUN
gi-4778	176	7	/	/	SYM
gi-4778	176	8	gps	gps	PROPN
gi-4778	176	9	and	and	CCONJ
gi-4778	176	10	aster	aster	NOUN
gi-4778	176	11	gdem	gdem	PROPN
gi-4778	176	12	orthometric	orthometric	ADJ
gi-4778	176	13	heights	height	NOUN
gi-4778	176	14	was	be	AUX
gi-4778	176	15	very	very	ADV
gi-4778	176	16	low	low	ADJ
gi-4778	176	17	;	;	PUNCT
gi-4778	176	18	this	this	PRON
gi-4778	176	19	indicates	indicate	VERB
gi-4778	176	20	that	that	SCONJ
gi-4778	176	21	the	the	DET
gi-4778	176	22	orthometric	orthometric	ADJ
gi-4778	176	23	heights	height	NOUN
gi-4778	176	24	generated	generate	VERB
gi-4778	176	25	by	by	ADP
gi-4778	176	26	the	the	DET
gi-4778	176	27	two	two	NUM
gi-4778	176	28	methods	method	NOUN
gi-4778	176	29	are	be	AUX
gi-4778	176	30	subject	subject	ADJ
gi-4778	176	31	to	to	ADP
gi-4778	176	32	the	the	DET
gi-4778	176	33	differences	difference	NOUN
gi-4778	176	34	in	in	ADP
gi-4778	176	35	the	the	DET
gi-4778	176	36	accuracy	accuracy	NOUN
gi-4778	176	37	of	of	ADP
gi-4778	176	38	the	the	DET
gi-4778	176	39	method	method	NOUN
gi-4778	176	40	of	of	ADP
gi-4778	176	41	data	datum	NOUN
gi-4778	176	42	collection	collection	NOUN
gi-4778	176	43	and	and	CCONJ
gi-4778	176	44	the	the	DET
gi-4778	176	45	spatial	spatial	ADJ
gi-4778	176	46	resolution	resolution	NOUN
gi-4778	176	47	adopted	adopt	VERB
gi-4778	176	48	for	for	ADP
gi-4778	176	49	the	the	DET
gi-4778	176	50	two	two	NUM
gi-4778	176	51	methods	method	NOUN
gi-4778	176	52	.	.	PUNCT
gi-4778	177	1	however	however	ADV
gi-4778	177	2	a	a	DET
gi-4778	177	3	negative	negative	ADJ
gi-4778	177	4	or	or	CCONJ
gi-4778	177	5	inverse	inverse	NOUN
gi-4778	177	6	relationship	relationship	NOUN
gi-4778	177	7	exists	exist	VERB
gi-4778	177	8	between	between	ADP
gi-4778	177	9	levelling	levelling	NOUN
gi-4778	177	10	/	/	SYM
gi-4778	177	11	gps	gps	PROPN
gi-4778	177	12	and	and	CCONJ
gi-4778	177	13	srtm	srtm	NOUN
gi-4778	177	14	orthometric	orthometric	ADJ
gi-4778	177	15	height	height	NOUN
gi-4778	177	16	,	,	PUNCT
gi-4778	177	17	indicating	indicate	VERB
gi-4778	177	18	a	a	DET
gi-4778	177	19	short	short	ADJ
gi-4778	177	20	fall	fall	NOUN
gi-4778	177	21	in	in	ADP
gi-4778	177	22	the	the	DET
gi-4778	177	23	estimation	estimation	NOUN
gi-4778	177	24	of	of	ADP
gi-4778	177	25	these	these	DET
gi-4778	177	26	values	value	NOUN
gi-4778	177	27	of	of	ADP
gi-4778	177	28	the	the	DET
gi-4778	177	29	orthometric	orthometric	ADJ
gi-4778	177	30	heights	height	NOUN
gi-4778	177	31	at	at	ADP
gi-4778	177	32	those	those	DET
gi-4778	177	33	points	point	NOUN
gi-4778	177	34	.	.	PUNCT
gi-4778	178	1	from	from	ADP
gi-4778	178	2	this	this	DET
gi-4778	178	3	analysis	analysis	NOUN
gi-4778	178	4	,	,	PUNCT
gi-4778	178	5	we	we	PRON
gi-4778	178	6	inferred	infer	VERB
gi-4778	178	7	that	that	SCONJ
gi-4778	178	8	ranking	ranking	NOUN
gi-4778	178	9	of	of	ADP
gi-4778	178	10	all	all	DET
gi-4778	178	11	these	these	DET
gi-4778	178	12	methods	method	NOUN
gi-4778	178	13	can	can	AUX
gi-4778	178	14	be	be	AUX
gi-4778	178	15	done	do	VERB
gi-4778	178	16	with	with	ADP
gi-4778	178	17	respect	respect	NOUN
gi-4778	178	18	to	to	ADP
gi-4778	178	19	their	their	PRON
gi-4778	178	20	correlation	correlation	NOUN
gi-4778	178	21	results	result	NOUN
gi-4778	178	22	,	,	PUNCT
gi-4778	178	23	thus	thus	ADV
gi-4778	178	24	it	it	PRON
gi-4778	178	25	is	be	AUX
gi-4778	178	26	possible	possible	ADJ
gi-4778	178	27	to	to	PART
gi-4778	178	28	use	use	VERB
gi-4778	178	29	orthometric	orthometric	ADJ
gi-4778	178	30	heights	height	NOUN
gi-4778	178	31	generated	generate	VERB
gi-4778	178	32	by	by	ADP
gi-4778	178	33	lidar	lidar	NOUN
gi-4778	178	34	as	as	ADP
gi-4778	178	35	an	an	DET
gi-4778	178	36	alternative	alternative	NOUN
gi-4778	178	37	to	to	ADP
gi-4778	178	38	that	that	PRON
gi-4778	178	39	generated	generate	VERB
gi-4778	178	40	by	by	ADP
gi-4778	178	41	levelling	level	VERB
gi-4778	178	42	/	/	SYM
gi-4778	178	43	gps	gps	PROPN
gi-4778	178	44	method	method	NOUN
gi-4778	178	45	,	,	PUNCT
gi-4778	178	46	given	give	VERB
gi-4778	178	47	that	that	SCONJ
gi-4778	178	48	all	all	DET
gi-4778	178	49	other	other	ADJ
gi-4778	178	50	necessary	necessary	ADJ
gi-4778	178	51	specification	specification	NOUN
gi-4778	178	52	have	have	AUX
gi-4778	178	53	been	be	AUX
gi-4778	178	54	satisfied	satisfied	ADJ
gi-4778	178	55	.	.	PUNCT
gi-4778	179	1	(	(	PUNCT
gi-4778	179	2	iv	iv	X
gi-4778	179	3	)	)	PUNCT
gi-4778	179	4	from	from	ADP
gi-4778	179	5	the	the	DET
gi-4778	179	6	percentage	percentage	NOUN
gi-4778	179	7	of	of	ADP
gi-4778	179	8	ratio	ratio	NOUN
gi-4778	179	9	test	test	NOUN
gi-4778	179	10	of	of	ADP
gi-4778	179	11	table	table	NOUN
gi-4778	179	12	3	3	NUM
gi-4778	179	13	and	and	CCONJ
gi-4778	179	14	the	the	DET
gi-4778	179	15	number	number	NOUN
gi-4778	179	16	of	of	ADP
gi-4778	179	17	points	point	NOUN
gi-4778	179	18	in	in	ADP
gi-4778	179	19	other	other	ADJ
gi-4778	179	20	methods	method	NOUN
gi-4778	179	21	whose	whose	DET
gi-4778	179	22	orthometric	orthometric	ADJ
gi-4778	179	23	height	height	NOUN
gi-4778	179	24	is	be	AUX
gi-4778	179	25	closed	close	VERB
gi-4778	179	26	to	to	ADP
gi-4778	179	27	that	that	PRON
gi-4778	179	28	of	of	ADP
gi-4778	179	29	levelling	levelling	NOUN
gi-4778	179	30	/	/	SYM
gi-4778	179	31	gps	gps	PROPN
gi-4778	179	32	method	method	NOUN
gi-4778	179	33	table	table	NOUN
gi-4778	179	34	6	6	NUM
gi-4778	179	35	,	,	PUNCT
gi-4778	179	36	it	it	PRON
gi-4778	179	37	is	be	AUX
gi-4778	179	38	obvious	obvious	ADJ
gi-4778	179	39	that	that	SCONJ
gi-4778	179	40	lidar	lidar	NOUN
gi-4778	179	41	has	have	VERB
gi-4778	179	42	the	the	DET
gi-4778	179	43	highest	high	ADJ
gi-4778	179	44	number	number	NOUN
gi-4778	179	45	points	point	NOUN
gi-4778	179	46	whose	whose	DET
gi-4778	179	47	orthometric	orthometric	ADJ
gi-4778	179	48	height	height	NOUN
gi-4778	179	49	was	be	AUX
gi-4778	179	50	closer	close	ADJ
gi-4778	179	51	to	to	ADP
gi-4778	179	52	that	that	PRON
gi-4778	179	53	of	of	ADP
gi-4778	179	54	levelling	levelling	NOUN
gi-4778	179	55	/	/	SYM
gi-4778	179	56	gps	gps	PROPN
gi-4778	179	57	method	method	NOUN
gi-4778	179	58	,	,	PUNCT
gi-4778	179	59	this	this	PRON
gi-4778	179	60	was	be	AUX
gi-4778	179	61	followed	follow	VERB
gi-4778	179	62	by	by	ADP
gi-4778	179	63	aster	aster	NOUN
gi-4778	179	64	gdem	gdem	NOUN
gi-4778	179	65	and	and	CCONJ
gi-4778	179	66	srtm	srtm	NOUN
gi-4778	179	67	has	have	VERB
gi-4778	179	68	the	the	DET
gi-4778	179	69	lowest	low	ADJ
gi-4778	179	70	number	number	NOUN
gi-4778	179	71	of	of	ADP
gi-4778	179	72	points	point	NOUN
gi-4778	179	73	whose	whose	DET
gi-4778	179	74	orthometric	orthometric	ADJ
gi-4778	179	75	(	(	PUNCT
gi-4778	179	76	v	v	NOUN
gi-4778	179	77	)	)	PUNCT
gi-4778	179	78	it	it	PRON
gi-4778	179	79	is	be	AUX
gi-4778	179	80	obvious	obvious	ADJ
gi-4778	179	81	that	that	SCONJ
gi-4778	179	82	aster	aster	NOUN
gi-4778	179	83	gdem	gdem	NOUN
gi-4778	179	84	method	method	NOUN
gi-4778	179	85	is	be	AUX
gi-4778	179	86	only	only	ADV
gi-4778	179	87	effective	effective	ADJ
gi-4778	179	88	in	in	ADP
gi-4778	179	89	area	area	NOUN
gi-4778	179	90	with	with	ADP
gi-4778	179	91	constant	constant	ADJ
gi-4778	179	92	cloud	cloud	NOUN
gi-4778	179	93	cover	cover	NOUN
gi-4778	179	94	,	,	PUNCT
gi-4778	179	95	srtm	srtm	NOUN
gi-4778	179	96	is	be	AUX
gi-4778	179	97	effective	effective	ADJ
gi-4778	179	98	in	in	ADP
gi-4778	179	99	topographically	topographically	ADV
gi-4778	179	100	steep	steep	ADJ
gi-4778	179	101	area	area	NOUN
gi-4778	179	102	,	,	PUNCT
gi-4778	179	103	and	and	CCONJ
gi-4778	179	104	lidar	lidar	NOUN
gi-4778	179	105	is	be	AUX
gi-4778	179	106	effective	effective	ADJ
gi-4778	179	107	for	for	ADP
gi-4778	179	108	all	all	DET
gi-4778	179	109	terrain	terrain	NOUN
gi-4778	179	110	.	.	PUNCT
gi-4778	180	1	(	(	PUNCT
gi-4778	180	2	vi	vi	X
gi-4778	180	3	)	)	PUNCT
gi-4778	180	4	the	the	DET
gi-4778	180	5	smaller	small	ADJ
gi-4778	180	6	extent	extent	NOUN
gi-4778	180	7	of	of	ADP
gi-4778	180	8	missing	miss	VERB
gi-4778	180	9	data	datum	NOUN
gi-4778	180	10	in	in	ADP
gi-4778	180	11	aster	aster	NOUN
gi-4778	180	12	gdem	gdem	NOUN
gi-4778	180	13	than	than	ADP
gi-4778	180	14	in	in	ADP
gi-4778	180	15	srtm	srtm	NOUN
gi-4778	180	16	is	be	AUX
gi-4778	180	17	an	an	DET
gi-4778	180	18	advantage	advantage	NOUN
gi-4778	180	19	for	for	ADP
gi-4778	180	20	the	the	DET
gi-4778	180	21	former	former	NOUN
gi-4778	180	22	.	.	PUNCT
gi-4778	181	1	this	this	PRON
gi-4778	181	2	is	be	AUX
gi-4778	181	3	particularly	particularly	ADV
gi-4778	181	4	true	true	ADJ
gi-4778	181	5	in	in	ADP
gi-4778	181	6	high	high	ADJ
gi-4778	181	7	mountainous	mountainous	ADJ
gi-4778	181	8	areas	area	NOUN
gi-4778	181	9	with	with	ADP
gi-4778	181	10	steep	steep	ADJ
gi-4778	181	11	slopes	slope	NOUN
gi-4778	181	12	,	,	PUNCT
gi-4778	181	13	where	where	SCONJ
gi-4778	181	14	srtm-3	srtm-3	NUM
gi-4778	181	15	typically	typically	ADV
gi-4778	181	16	has	have	VERB
gi-4778	181	17	many	many	ADJ
gi-4778	181	18	missing	missing	ADJ
gi-4778	181	19	data	datum	NOUN
gi-4778	181	20	.	.	PUNCT
gi-4778	182	1	although	although	SCONJ
gi-4778	182	2	aster	aster	NOUN
gi-4778	182	3	gdem	gdem	NOUN
gi-4778	182	4	includes	include	VERB
gi-4778	182	5	a	a	DET
gi-4778	182	6	relatively	relatively	ADV
gi-4778	182	7	large	large	ADJ
gi-4778	182	8	amount	amount	NOUN
gi-4778	182	9	of	of	ADP
gi-4778	182	10	missing	miss	VERB
gi-4778	182	11	data	datum	NOUN
gi-4778	182	12	in	in	ADP
gi-4778	182	13	lowlands	lowland	NOUN
gi-4778	182	14	,	,	PUNCT
gi-4778	182	15	below	below	ADP
gi-4778	182	16	an	an	DET
gi-4778	182	17	elevation	elevation	NOUN
gi-4778	182	18	of	of	ADP
gi-4778	182	19	100	100	NUM
gi-4778	182	20	m	m	NOUN
gi-4778	182	21	,	,	PUNCT
gi-4778	182	22	it	it	PRON
gi-4778	182	23	is	be	AUX
gi-4778	182	24	still	still	ADV
gi-4778	182	25	only	only	ADV
gi-4778	182	26	about	about	ADV
gi-4778	182	27	one	one	NUM
gi-4778	182	28	-	-	PUNCT
gi-4778	182	29	half	half	NOUN
gi-4778	182	30	that	that	PRON
gi-4778	182	31	of	of	ADP
gi-4778	182	32	the	the	DET
gi-4778	182	33	srtm	srtm	NOUN
gi-4778	182	34	.	.	PUNCT
gi-4778	183	1	moreover	moreover	ADV
gi-4778	183	2	,	,	PUNCT
gi-4778	183	3	the	the	DET
gi-4778	183	4	amount	amount	NOUN
gi-4778	183	5	of	of	ADP
gi-4778	183	6	data	datum	NOUN
gi-4778	183	7	missing	miss	VERB
gi-4778	183	8	in	in	ADP
gi-4778	183	9	aster	aster	NOUN
gi-4778	183	10	gdem	gdem	NOUN
gi-4778	183	11	should	should	AUX
gi-4778	183	12	decrease	decrease	VERB
gi-4778	183	13	,	,	PUNCT
gi-4778	183	14	because	because	SCONJ
gi-4778	183	15	the	the	DET
gi-4778	183	16	acquisition	acquisition	NOUN
gi-4778	183	17	of	of	ADP
gi-4778	183	18	new	new	ADJ
gi-4778	183	19	aster	aster	NOUN
gi-4778	183	20	images	image	NOUN
gi-4778	183	21	is	be	AUX
gi-4778	183	22	continuing	continue	VERB
gi-4778	183	23	,	,	PUNCT
gi-4778	183	24	(	(	PUNCT
gi-4778	183	25	hayakawa	hayakawa	PROPN
gi-4778	183	26	,	,	PUNCT
gi-4778	183	27	2008	2008	NUM
gi-4778	183	28	)	)	PUNCT
gi-4778	183	29	.	.	PUNCT
gi-4778	184	1	(	(	PUNCT
gi-4778	184	2	vii	vii	PROPN
gi-4778	184	3	)	)	PUNCT
gi-4778	184	4	aster	aster	NOUN
gi-4778	184	5	gdem	gdem	NOUN
gi-4778	184	6	has	have	VERB
gi-4778	184	7	better	well	ADJ
gi-4778	184	8	topographic	topographic	ADJ
gi-4778	184	9	representation	representation	NOUN
gi-4778	184	10	of	of	ADP
gi-4778	184	11	low	low	ADJ
gi-4778	184	12	-	-	PUNCT
gi-4778	184	13	altitude	altitude	NOUN
gi-4778	184	14	hilly	hilly	ADJ
gi-4778	184	15	lands	land	NOUN
gi-4778	184	16	,	,	PUNCT
gi-4778	184	17	for	for	ADP
gi-4778	184	18	which	which	PRON
gi-4778	184	19	srtm	srtm	NOUN
gi-4778	184	20	tends	tend	VERB
gi-4778	184	21	to	to	PART
gi-4778	184	22	overestimate	overestimate	VERB
gi-4778	184	23	the	the	DET
gi-4778	184	24	height	height	NOUN
gi-4778	184	25	of	of	ADP
gi-4778	184	26	valley	valley	NOUN
gi-4778	184	27	floors	floor	NOUN
gi-4778	184	28	,	,	PUNCT
gi-4778	184	29	(	(	PUNCT
gi-4778	184	30	deng	deng	PROPN
gi-4778	184	31	et	et	PROPN
gi-4778	184	32	al	al	PROPN
gi-4778	184	33	.	.	PROPN
gi-4778	184	34	,	,	PUNCT
gi-4778	184	35	2007	2007	NUM
gi-4778	184	36	;	;	PUNCT
gi-4778	184	37	http://hydrosheds.cr.usgs.gov/	http://hydrosheds.cr.usgs.gov/	PROPN
gi-4778	184	38	)	)	PUNCT
gi-4778	184	39	.	.	PUNCT
gi-4778	185	1	(	(	PUNCT
gi-4778	185	2	viii	viii	NOUN
gi-4778	185	3	)	)	PUNCT
gi-4778	185	4	within	within	ADP
gi-4778	185	5	airborne	airborne	ADJ
gi-4778	185	6	context	context	NOUN
gi-4778	185	7	,	,	PUNCT
gi-4778	185	8	lidar	lidar	NOUN
gi-4778	185	9	produces	produce	VERB
gi-4778	185	10	high	high	ADJ
gi-4778	185	11	accuracy	accuracy	NOUN
gi-4778	185	12	datasets	dataset	NOUN
gi-4778	185	13	and	and	CCONJ
gi-4778	185	14	are	be	AUX
gi-4778	185	15	able	able	ADJ
gi-4778	185	16	to	to	PART
gi-4778	185	17	collect	collect	VERB
gi-4778	185	18	terrain	terrain	NOUN
gi-4778	185	19	data	datum	NOUN
gi-4778	185	20	over	over	ADP
gi-4778	185	21	large	large	ADJ
gi-4778	185	22	areas	area	NOUN
gi-4778	185	23	(	(	PUNCT
gi-4778	185	24	leon	leon	PROPN
gi-4778	185	25	et	et	PROPN
gi-4778	185	26	al	al	PROPN
gi-4778	185	27	.	.	PROPN
gi-4778	185	28	,	,	PUNCT
gi-4778	185	29	2014	2014	NUM
gi-4778	185	30	)	)	PUNCT
gi-4778	185	31	.	.	PUNCT
gi-4778	186	1	although	although	SCONJ
gi-4778	186	2	accurate	accurate	ADJ
gi-4778	186	3	,	,	PUNCT
gi-4778	186	4	the	the	DET
gi-4778	186	5	availability	availability	NOUN
gi-4778	186	6	of	of	ADP
gi-4778	186	7	lidar	lidar	NOUN
gi-4778	186	8	data	datum	NOUN
gi-4778	186	9	for	for	ADP
gi-4778	186	10	some	some	DET
gi-4778	186	11	regions	region	NOUN
gi-4778	186	12	may	may	AUX
gi-4778	186	13	be	be	AUX
gi-4778	186	14	limited	limit	VERB
gi-4778	186	15	due	due	ADP
gi-4778	186	16	to	to	ADP
gi-4778	186	17	relatively	relatively	ADV
gi-4778	186	18	higher	high	ADJ
gi-4778	186	19	cost	cost	NOUN
gi-4778	186	20	plus	plus	CCONJ
gi-4778	186	21	time	time	NOUN
gi-4778	186	22	constraint	constraint	NOUN
gi-4778	186	23	.	.	PUNCT
gi-4778	187	1	geoinformatics	geoinformatic	NOUN
gi-4778	187	2	fce	fce	VERB
gi-4778	187	3	ctu	ctu	NOUN
gi-4778	187	4	17(1	17(1	NOUN
gi-4778	187	5	)	)	PUNCT
gi-4778	187	6	,	,	PUNCT
gi-4778	187	7	2018	2018	NUM
gi-4778	187	8	59	59	NUM
gi-4778	187	9	o.	o.	NOUN
gi-4778	187	10	g.	g.	PROPN
gi-4778	187	11	omogunloye	omogunloye	PROPN
gi-4778	187	12	et	et	PROPN
gi-4778	187	13	al	al	PROPN
gi-4778	187	14	.	.	PROPN
gi-4778	187	15	:	:	PUNCT
gi-4778	188	1	an	an	DET
gi-4778	188	2	alternative	alternative	ADJ
gi-4778	188	3	choice	choice	NOUN
gi-4778	188	4	in	in	ADP
gi-4778	188	5	heighting	heighting	ADJ
gi-4778	188	6	references	reference	NOUN
gi-4778	188	7	[	[	X
gi-4778	188	8	1	1	NUM
gi-4778	188	9	]	]	X
gi-4778	188	10	oscar	oscar	PROPN
gi-4778	188	11	l.	l.	PROPN
gi-4778	188	12	colombo	colombo	PROPN
gi-4778	188	13	.	.	PUNCT
gi-4778	189	1	“	"	PUNCT
gi-4778	189	2	ephemeris	ephemeris	NOUN
gi-4778	189	3	errors	error	NOUN
gi-4778	189	4	of	of	ADP
gi-4778	189	5	gps	gps	NOUN
gi-4778	189	6	satellites	satellite	NOUN
gi-4778	189	7	”	"	PUNCT
gi-4778	189	8	.	.	PUNCT
gi-4778	190	1	in	in	ADP
gi-4778	190	2	:	:	PUNCT
gi-4778	190	3	60	60	NUM
gi-4778	190	4	(	(	PUNCT
gi-4778	190	5	1986	1986	NUM
gi-4778	190	6	)	)	PUNCT
gi-4778	190	7	,	,	PUNCT
gi-4778	190	8	pp	pp	ADP
gi-4778	190	9	.	.	PUNCT
gi-4778	191	1	64–84	64–84	NOUN
gi-4778	191	2	.	.	PUNCT
gi-4778	192	1	issn	issn	PROPN
gi-4778	192	2	:	:	PUNCT
gi-4778	192	3	0007	0007	NUM
gi-4778	192	4	-	-	SYM
gi-4778	192	5	4632	4632	NUM
gi-4778	192	6	.	.	PUNCT
gi-4778	193	1	doi	doi	NOUN
gi-4778	193	2	:	:	PUNCT
gi-4778	193	3	10.1007	10.1007	NUM
gi-4778	193	4	/	/	SYM
gi-4778	193	5	bf02519355	bf02519355	NOUN
gi-4778	193	6	.	.	PUNCT
gi-4778	194	1	[	[	X
gi-4778	194	2	2	2	NUM
gi-4778	194	3	]	]	X
gi-4778	194	4	oscar	oscar	PROPN
gi-4778	194	5	l.	l.	PROPN
gi-4778	194	6	colombo	colombo	PROPN
gi-4778	194	7	.	.	PUNCT
gi-4778	195	1	“	"	PUNCT
gi-4778	195	2	the	the	DET
gi-4778	195	3	dynamics	dynamic	NOUN
gi-4778	195	4	of	of	ADP
gi-4778	195	5	global	global	ADJ
gi-4778	195	6	positioning	positioning	NOUN
gi-4778	195	7	system	system	NOUN
gi-4778	195	8	orbits	orbit	NOUN
gi-4778	195	9	and	and	CCONJ
gi-4778	195	10	the	the	DET
gi-4778	195	11	determination	determination	NOUN
gi-4778	195	12	of	of	ADP
gi-4778	195	13	precise	precise	ADJ
gi-4778	195	14	ephemerides	ephemeris	NOUN
gi-4778	195	15	”	"	PUNCT
gi-4778	195	16	.	.	PUNCT
gi-4778	196	1	in	in	ADP
gi-4778	196	2	:	:	PUNCT
gi-4778	196	3	journal	journal	NOUN
gi-4778	196	4	of	of	ADP
gi-4778	196	5	geophysical	geophysical	ADJ
gi-4778	196	6	research	research	NOUN
gi-4778	196	7	:	:	PUNCT
gi-4778	196	8	solid	solid	ADJ
gi-4778	196	9	earth	earth	NOUN
gi-4778	196	10	94.b7	94.b7	NUM
gi-4778	196	11	(	(	PUNCT
gi-4778	196	12	1989	1989	NUM
gi-4778	196	13	)	)	PUNCT
gi-4778	196	14	,	,	PUNCT
gi-4778	196	15	pp	pp	ADP
gi-4778	196	16	.	.	PUNCT
gi-4778	197	1	9167–9182	9167–9182	NOUN
gi-4778	197	2	.	.	PUNCT
gi-4778	198	1	doi	doi	NOUN
gi-4778	198	2	:	:	PUNCT
gi-4778	198	3	10.1029	10.1029	NUM
gi-4778	198	4	/	/	SYM
gi-4778	198	5	jb094ib07p09167	jb094ib07p09167	PROPN
gi-4778	198	6	.	.	PUNCT
gi-4778	199	1	[	[	X
gi-4778	199	2	3	3	NUM
gi-4778	199	3	]	]	X
gi-4778	199	4	heister	heister	NOUN
gi-4778	199	5	h.	h.	PROPN
gi-4778	199	6	et	et	PROPN
gi-4778	199	7	al	al	PROPN
gi-4778	199	8	.	.	PUNCT
gi-4778	200	1	“	"	PUNCT
gi-4778	200	2	determination	determination	NOUN
gi-4778	200	3	of	of	ADP
gi-4778	200	4	an	an	DET
gi-4778	200	5	orthometric	orthometric	ADJ
gi-4778	200	6	height	height	NOUN
gi-4778	200	7	profile	profile	NOUN
gi-4778	200	8	in	in	ADP
gi-4778	200	9	the	the	DET
gi-4778	200	10	okavango	okavango	PROPN
gi-4778	200	11	delta	delta	NOUN
gi-4778	200	12	using	use	VERB
gi-4778	200	13	gps	gps	PROPN
gi-4778	200	14	levelling	levelling	NOUN
gi-4778	200	15	”	"	PUNCT
gi-4778	200	16	.	.	PUNCT
gi-4778	201	1	in	in	ADP
gi-4778	201	2	:	:	PUNCT
gi-4778	201	3	proceedings	proceeding	NOUN
gi-4778	201	4	of	of	ADP
gi-4778	201	5	the	the	DET
gi-4778	201	6	fig	fig	NOUN
gi-4778	201	7	working	working	NOUN
gi-4778	201	8	week	week	NOUN
gi-4778	201	9	and	and	CCONJ
gi-4778	201	10	survey	survey	NOUN
gi-4778	201	11	1999	1999	NUM
gi-4778	201	12	.	.	PUNCT
gi-4778	202	1	ts	ts	ADP
gi-4778	202	2	20	20	NUM
gi-4778	202	3	,	,	PUNCT
gi-4778	202	4	b1	b1	NOUN
gi-4778	202	5	-	-	PUNCT
gi-4778	202	6	b10	b10	PROPN
gi-4778	202	7	.	.	PROPN
gi-4778	202	8	fig	fig	PROPN
gi-4778	202	9	.	.	PUNCT
gi-4778	203	1	sun	sun	PROPN
gi-4778	203	2	city	city	PROPN
gi-4778	203	3	,	,	PUNCT
gi-4778	203	4	south	south	PROPN
gi-4778	203	5	africa	africa	PROPN
gi-4778	203	6	,	,	PUNCT
gi-4778	203	7	1999	1999	NUM
gi-4778	203	8	.	.	PUNCT
gi-4778	204	1	[	[	X
gi-4778	204	2	4	4	NUM
gi-4778	204	3	]	]	X
gi-4778	204	4	yuichi	yuichi	PROPN
gi-4778	204	5	s.	s.	PROPN
gi-4778	204	6	hayakawa	hayakawa	PROPN
gi-4778	204	7	,	,	PUNCT
gi-4778	204	8	takashi	takashi	PROPN
gi-4778	204	9	oguchi	oguchi	PROPN
gi-4778	204	10	,	,	PUNCT
gi-4778	204	11	and	and	CCONJ
gi-4778	204	12	zhou	zhou	PROPN
gi-4778	204	13	lin	lin	PROPN
gi-4778	204	14	.	.	PUNCT
gi-4778	205	1	“	"	PUNCT
gi-4778	205	2	comparison	comparison	NOUN
gi-4778	205	3	of	of	ADP
gi-4778	205	4	new	new	ADJ
gi-4778	205	5	and	and	CCONJ
gi-4778	205	6	existing	exist	VERB
gi-4778	205	7	global	global	ADJ
gi-4778	205	8	digital	digital	ADJ
gi-4778	205	9	elevation	elevation	NOUN
gi-4778	205	10	models	model	NOUN
gi-4778	205	11	:	:	PUNCT
gi-4778	205	12	aster	aster	NOUN
gi-4778	205	13	g	g	NOUN
gi-4778	205	14	-	-	PUNCT
gi-4778	205	15	dem	dem	NOUN
gi-4778	205	16	and	and	CCONJ
gi-4778	205	17	srtm-3	srtm-3	NUM
gi-4778	205	18	”	"	PUNCT
gi-4778	205	19	.	.	PUNCT
gi-4778	206	1	in	in	ADP
gi-4778	206	2	:	:	PUNCT
gi-4778	206	3	geophysical	geophysical	ADJ
gi-4778	206	4	research	research	NOUN
gi-4778	206	5	letters	letter	NOUN
gi-4778	206	6	35.17	35.17	NUM
gi-4778	206	7	(	(	PUNCT
gi-4778	206	8	sept	sept	PROPN
gi-4778	206	9	.	.	PROPN
gi-4778	206	10	2008	2008	NUM
gi-4778	206	11	)	)	PUNCT
gi-4778	206	12	.	.	PUNCT
gi-4778	207	1	doi	doi	NOUN
gi-4778	207	2	:	:	PUNCT
gi-4778	207	3	10.1029/2008gl035036	10.1029/2008gl035036	ADJ
gi-4778	207	4	.	.	PUNCT
gi-4778	208	1	[	[	X
gi-4778	208	2	5	5	NUM
gi-4778	208	3	]	]	X
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gi-4778	208	6	-	-	PUNCT
gi-4778	208	7	wellenhof	wellenhof	NOUN
gi-4778	208	8	,	,	PUNCT
gi-4778	208	9	herbert	herbert	NOUN
gi-4778	208	10	lichtenegger	lichtenegger	X
gi-4778	208	11	,	,	PUNCT
gi-4778	208	12	and	and	CCONJ
gi-4778	208	13	elmar	elmar	PROPN
gi-4778	208	14	wasle	wasle	NOUN
gi-4778	208	15	.	.	PUNCT
gi-4778	209	1	gnss	gnss	NOUN
gi-4778	209	2	–	–	PUNCT
gi-4778	209	3	global	global	ADJ
gi-4778	209	4	navigation	navigation	NOUN
gi-4778	209	5	satellite	satellite	NOUN
gi-4778	209	6	systems	system	NOUN
gi-4778	209	7	.	.	PUNCT
gi-4778	210	1	springer	springer	NOUN
gi-4778	210	2	,	,	PUNCT
gi-4778	210	3	2008	2008	NUM
gi-4778	210	4	.	.	PUNCT
gi-4778	211	1	doi	doi	NOUN
gi-4778	211	2	:	:	PUNCT
gi-4778	211	3	10.1007/978	10.1007/978	NUM
gi-4778	211	4	-	-	SYM
gi-4778	211	5	3	3	NUM
gi-4778	211	6	-	-	PUNCT
gi-4778	211	7	211	211	NUM
gi-4778	211	8	-	-	PUNCT
gi-4778	211	9	73017	73017	NUM
gi-4778	211	10	-	-	SYM
gi-4778	211	11	1	1	NUM
gi-4778	211	12	.	.	PUNCT
gi-4778	212	1	[	[	X
gi-4778	212	2	6	6	NUM
gi-4778	212	3	]	]	X
gi-4778	212	4	javier	javier	PROPN
gi-4778	212	5	x.	x.	PROPN
gi-4778	212	6	leon	leon	PROPN
gi-4778	212	7	,	,	PUNCT
gi-4778	212	8	gerard	gerard	PROPN
gi-4778	212	9	b.	b.	PROPN
gi-4778	212	10	m.	m.	PROPN
gi-4778	212	11	heuvelink	heuvelink	PROPN
gi-4778	212	12	,	,	PUNCT
gi-4778	212	13	and	and	CCONJ
gi-4778	212	14	stuart	stuart	PROPN
gi-4778	212	15	r.	r.	PROPN
gi-4778	212	16	phinn	phinn	PROPN
gi-4778	212	17	.	.	PUNCT
gi-4778	213	1	“	"	PUNCT
gi-4778	213	2	incorporating	incorporate	VERB
gi-4778	213	3	dem	dem	ADJ
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gi-4778	213	5	in	in	ADP
gi-4778	213	6	coastal	coastal	ADJ
gi-4778	213	7	inundation	inundation	NOUN
gi-4778	213	8	mapping	mapping	NOUN
gi-4778	213	9	”	"	PUNCT
gi-4778	213	10	.	.	PUNCT
gi-4778	214	1	in	in	ADP
gi-4778	214	2	:	:	PUNCT
gi-4778	214	3	plos	plos	PROPN
gi-4778	214	4	one	one	NUM
gi-4778	214	5	9.9	9.9	NUM
gi-4778	214	6	(	(	PUNCT
gi-4778	214	7	sept	sept	PROPN
gi-4778	214	8	.	.	PROPN
gi-4778	214	9	2014	2014	NUM
gi-4778	214	10	)	)	PUNCT
gi-4778	214	11	.	.	PUNCT
gi-4778	215	1	ed	ed	NOUN
gi-4778	215	2	.	.	PUNCT
gi-4778	216	1	by	by	ADP
gi-4778	216	2	guy	guy	PROPN
gi-4778	216	3	j.-p	j.-p	PROPN
gi-4778	216	4	.	.	PUNCT
gi-4778	217	1	schumann	schumann	PROPN
gi-4778	217	2	,	,	PUNCT
gi-4778	217	3	e108727	e108727	NOUN
gi-4778	217	4	.	.	PUNCT
gi-4778	218	1	doi	doi	NOUN
gi-4778	218	2	:	:	PUNCT
gi-4778	218	3	10.1371	10.1371	NUM
gi-4778	218	4	/	/	SYM
gi-4778	218	5	journal.pone.0108727	journal.pone.0108727	PROPN
gi-4778	218	6	.	.	PUNCT
gi-4778	219	1	[	[	X
gi-4778	219	2	7	7	X
gi-4778	219	3	]	]	X
gi-4778	219	4	e.	e.	PROPN
gi-4778	219	5	rodríguez	rodríguez	PROPN
gi-4778	219	6	et	et	PROPN
gi-4778	219	7	al	al	PROPN
gi-4778	219	8	.	.	PUNCT
gi-4778	220	1	an	an	DET
gi-4778	220	2	assessment	assessment	NOUN
gi-4778	220	3	of	of	ADP
gi-4778	220	4	the	the	DET
gi-4778	220	5	srtm	srtm	NOUN
gi-4778	220	6	topographic	topographic	PROPN
gi-4778	220	7	products	product	NOUN
gi-4778	220	8	.	.	PUNCT
gi-4778	221	1	tech	tech	NOUN
gi-4778	221	2	.	.	PUNCT
gi-4778	222	1	rep	rep	PROPN
gi-4778	222	2	.	.	PUNCT
gi-4778	222	3	d-31639	d-31639	PROPN
gi-4778	222	4	.	.	PROPN
gi-4778	222	5	jet	jet	NOUN
gi-4778	222	6	propulsion	propulsion	NOUN
gi-4778	222	7	laboratory	laboratory	NOUN
gi-4778	222	8	,	,	PUNCT
gi-4778	222	9	pasadena	pasadena	PROPN
gi-4778	222	10	,	,	PUNCT
gi-4778	222	11	california	california	PROPN
gi-4778	222	12	:	:	PUNCT
gi-4778	222	13	nasa	nasa	PROPN
gi-4778	222	14	,	,	PUNCT
gi-4778	222	15	2005	2005	NUM
gi-4778	222	16	.	.	PUNCT
gi-4778	223	1	url	url	PROPN
gi-4778	223	2	:	:	PUNCT
gi-4778	223	3	https://www2.jpl	https://www2.jpl	NOUN
gi-4778	223	4	.	.	PUNCT
gi-4778	223	5	nasa.gov/srtm/srtm_d31639.pdf	nasa.gov/srtm/srtm_d31639.pdf	NOUN
gi-4778	223	6	.	.	PUNCT
gi-4778	224	1	geoinformatics	geoinformatic	NOUN
gi-4778	224	2	fce	fce	VERB
gi-4778	224	3	ctu	ctu	NOUN
gi-4778	224	4	17(1	17(1	NOUN
gi-4778	224	5	)	)	PUNCT
gi-4778	224	6	,	,	PUNCT
gi-4778	224	7	2018	2018	NUM
gi-4778	224	8	60	60	NUM
gi-4778	224	9	https://doi.org/10.1007/bf02519355	https://doi.org/10.1007/bf02519355	X
gi-4778	224	10	https://doi.org/10.1029/jb094ib07p09167	https://doi.org/10.1029/jb094ib07p09167	PRON
gi-4778	225	1	https://doi.org/10.1029/2008gl035036	https://doi.org/10.1029/2008gl035036	X
gi-4778	225	2	https://doi.org/10.1007/978-3-211-73017-1	https://doi.org/10.1007/978-3-211-73017-1	NOUN
gi-4778	225	3	https://doi.org/10.1371/journal.pone.0108727	https://doi.org/10.1371/journal.pone.0108727	NOUN
gi-4778	226	1	https://www2.jpl.nasa.gov/srtm/srtm_d31639.pdf	https://www2.jpl.nasa.gov/srtm/srtm_d31639.pdf	NOUN
gi-4778	226	2	https://www2.jpl.nasa.gov/srtm/srtm_d31639.pdf	https://www2.jpl.nasa.gov/srtm/srtm_d31639.pdf	PROPN
gi-4778	227	1	o.	o.	PROPN
gi-4778	227	2	g.	g.	PROPN
gi-4778	227	3	omogunloye	omogunloye	PROPN
gi-4778	227	4	et	et	PROPN
gi-4778	227	5	al	al	PROPN
gi-4778	227	6	.	.	PROPN
gi-4778	227	7	:	:	PUNCT
gi-4778	228	1	an	an	DET
gi-4778	228	2	alternative	alternative	ADJ
gi-4778	228	3	choice	choice	NOUN
gi-4778	228	4	in	in	ADP
gi-4778	228	5	heighting	heighting	ADJ
gi-4778	228	6	introduction	introduction	NOUN
gi-4778	228	7	area	area	NOUN
gi-4778	228	8	of	of	ADP
gi-4778	228	9	study	study	NOUN
gi-4778	228	10	aim	aim	NOUN
gi-4778	228	11	of	of	ADP
gi-4778	228	12	the	the	DET
gi-4778	228	13	study	study	NOUN
gi-4778	228	14	objectives	objective	NOUN
gi-4778	228	15	of	of	ADP
gi-4778	228	16	the	the	DET
gi-4778	228	17	study	study	NOUN
gi-4778	228	18	scope	scope	NOUN
gi-4778	228	19	of	of	ADP
gi-4778	228	20	the	the	DET
gi-4778	228	21	study	study	NOUN
gi-4778	228	22	significance	significance	NOUN
gi-4778	228	23	of	of	ADP
gi-4778	228	24	the	the	DET
gi-4778	228	25	study	study	NOUN
gi-4778	228	26	research	research	NOUN
gi-4778	228	27	questions	question	NOUN
gi-4778	228	28	limitation	limitation	NOUN
gi-4778	228	29	of	of	ADP
gi-4778	228	30	the	the	DET
gi-4778	228	31	research	research	NOUN
gi-4778	228	32	work	work	NOUN
gi-4778	228	33	lidar	lidar	NOUN
gi-4778	228	34	,	,	PUNCT
gi-4778	228	35	srtm	srtm	NOUN
gi-4778	228	36	,	,	PUNCT
gi-4778	228	37	and	and	CCONJ
gi-4778	228	38	aster	aster	NOUN
gi-4778	228	39	gdem	gdem	PROPN
gi-4778	228	40	data	data	PROPN
gi-4778	228	41	data	datum	NOUN
gi-4778	228	42	set	set	VERB
gi-4778	228	43	and	and	CCONJ
gi-4778	228	44	field	field	NOUN
gi-4778	228	45	observation	observation	NOUN
gi-4778	228	46	gps	gps	NOUN
gi-4778	228	47	downloaded	download	VERB
gi-4778	228	48	coordinates	coordinate	NOUN
gi-4778	228	49	for	for	ADP
gi-4778	228	50	observed	observed	ADJ
gi-4778	228	51	control	control	NOUN
gi-4778	228	52	points	point	NOUN
gi-4778	228	53	levelling	level	VERB
gi-4778	228	54	data	datum	NOUN
gi-4778	228	55	for	for	ADP
gi-4778	228	56	observed	observed	ADJ
gi-4778	228	57	control	control	NOUN
gi-4778	228	58	points	point	NOUN
gi-4778	228	59	and	and	CCONJ
gi-4778	228	60	its	its	PRON
gi-4778	228	61	reduction	reduction	NOUN
gi-4778	228	62	x	x	NOUN
gi-4778	228	63	,	,	PUNCT
gi-4778	228	64	y	y	PROPN
gi-4778	228	65	,	,	PUNCT
gi-4778	228	66	z	z	NOUN
gi-4778	228	67	data	datum	NOUN
gi-4778	228	68	of	of	ADP
gi-4778	228	69	observed	observed	ADJ
gi-4778	228	70	controls	control	NOUN
gi-4778	228	71	and	and	CCONJ
gi-4778	228	72	its	its	PRON
gi-4778	228	73	geoidal	geoidal	ADJ
gi-4778	228	74	heights	height	NOUN
gi-4778	228	75	differences	difference	NOUN
gi-4778	228	76	between	between	ADP
gi-4778	228	77	the	the	DET
gi-4778	228	78	orthometric	orthometric	ADJ
gi-4778	228	79	heights	height	NOUN
gi-4778	228	80	obtained	obtain	VERB
gi-4778	228	81	from	from	ADP
gi-4778	228	82	levelling	levelling	NOUN
gi-4778	228	83	/	/	SYM
gi-4778	228	84	gps	gps	PROPN
gi-4778	228	85	survey	survey	NOUN
gi-4778	228	86	and	and	CCONJ
gi-4778	228	87	orthometric	orthometric	ADJ
gi-4778	228	88	heights	height	NOUN
gi-4778	228	89	obtained	obtain	VERB
gi-4778	228	90	by	by	ADP
gi-4778	228	91	other	other	ADJ
gi-4778	228	92	methods	method	NOUN
gi-4778	228	93	(	(	PUNCT
gi-4778	228	94	srtm	srtm	NOUN
gi-4778	228	95	,	,	PUNCT
gi-4778	228	96	lidar	lidar	NOUN
gi-4778	228	97	,	,	PUNCT
gi-4778	228	98	and	and	CCONJ
gi-4778	228	99	aster	aster	NOUN
gi-4778	228	100	gdem	gdem	PROPN
gi-4778	228	101	)	)	PUNCT
gi-4778	228	102	descriptive	descriptive	ADJ
gi-4778	228	103	statistics	statistic	NOUN
gi-4778	228	104	test	test	NOUN
gi-4778	228	105	on	on	ADP
gi-4778	228	106	the	the	DET
gi-4778	228	107	acquired	acquire	VERB
gi-4778	228	108	orthometric	orthometric	ADJ
gi-4778	228	109	heights	height	NOUN
gi-4778	228	110	correlation	correlation	NOUN
gi-4778	228	111	test	test	NOUN
gi-4778	228	112	between	between	ADP
gi-4778	228	113	various	various	ADJ
gi-4778	228	114	orthometric	orthometric	ADJ
gi-4778	228	115	heights	height	NOUN
gi-4778	228	116	acquired	acquire	VERB
gi-4778	228	117	percentage	percentage	NOUN
gi-4778	228	118	of	of	ADP
gi-4778	228	119	ratio	ratio	NOUN
gi-4778	228	120	test	test	NOUN
gi-4778	228	121	one	one	NUM
gi-4778	228	122	way	way	NOUN
gi-4778	228	123	anova	anova	PROPN
gi-4778	228	124	test	test	VERB
gi-4778	228	125	on	on	ADP
gi-4778	228	126	the	the	DET
gi-4778	228	127	acquired	acquire	VERB
gi-4778	228	128	orthometric	orthometric	ADJ
gi-4778	228	129	heights	height	NOUN
gi-4778	228	130	profile	profile	NOUN
gi-4778	228	131	plot	plot	NOUN
gi-4778	228	132	of	of	ADP
gi-4778	228	133	1	1	NUM
gi-4778	228	134	to	to	PART
gi-4778	228	135	44	44	NUM
gi-4778	228	136	ground	ground	NOUN
gi-4778	228	137	control	control	NOUN
gi-4778	228	138	points	point	NOUN
gi-4778	228	139	against	against	ADP
gi-4778	228	140	their	their	PRON
gi-4778	228	141	orthometric	orthometric	ADJ
gi-4778	228	142	height	height	NOUN
gi-4778	228	143	from	from	ADP
gi-4778	228	144	various	various	ADJ
gi-4778	228	145	methods	method	NOUN
gi-4778	228	146	result	result	VERB
gi-4778	228	147	interpretation	interpretation	NOUN
gi-4778	228	148	from	from	ADP
gi-4778	228	149	all	all	DET
gi-4778	228	150	the	the	DET
gi-4778	228	151	analysis	analysis	NOUN
gi-4778	228	152	conclusion	conclusion	NOUN