我国西南地区吸收性气溶胶时空分布

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Abstract We used MERRA-2reanalysis data, CALIPSO satellite inversion data, and ERA5 reanalysis data to study the spatial and temporal distribution of absorbing aerosols over southwest China from 2006 to 2017. The Sichuan Basin and southern Yunnan had a downward overall trend, albeit with a strong seasonal signal. Second, analysis of the three-dimensional distribution of smoke demonstrated that the extinction coefficient of smoke in Yunnan-Guizhou Plateau and the Sichuan basin are both significant, with the Yunnan-Guizhou Plateau larger of the two. Third, smoke aerosols found to be lofted to about 8~ 10km (above sea level) in the summer over the Qinghai-Tibet Plateau, whereas they were mainly distributed between about 2~4km over the Yunnan-Guizhou Plateau and about 1~3km over the Sichuan Basin.

Key words： absorbing aerosol CALIOP MERRA-2 southwest of China

Received: 18 December 2020

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X513

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	Articles by authors
	WANG Xin-ying
	LI Ying-fang
	GUI Ke
	LIAO Ting-ting

Cite this article:

WANG Xin-ying,LI Ying-fang,GUI Ke等. Spatial and temporal distribution of absorbing aerosol in Southwest China[J]. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(7): 3096-3105.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2021/V41/I7/3096

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