id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-271602-f14wccj3	Kim, Hyun Cheol	Recent increase of surface particulate matter concentrations in the Seoul Metropolitan Area, Korea	2017-07-05		.txt	text/plain	3275	107	34	The long-term trend of surface PM concentration in the SMA declined in the 2000s, but since 2012 its concentrations have tended to incline, which is coincident with frequent severe hazes in South Korea. This study reports that interannual variation of surface PM concentration in South Korea is closely linked with the interannual variations of wind speed.	cache/cord-271602-f14wccj3.txt	txt/cord-271602-f14wccj3.txt
