Articles | Volume 20, issue 9
https://doi.org/10.5194/acp-20-5355-2020
https://doi.org/10.5194/acp-20-5355-2020
Research article
 | 
07 May 2020
Research article |  | 07 May 2020

Exploring wintertime regional haze in northeast China: role of coal and biomass burning

Jian Zhang, Lei Liu, Liang Xu, Qiuhan Lin, Hujia Zhao, Zhibin Wang, Song Guo, Min Hu, Dantong Liu, Zongbo Shi, Dao Huang, and Weijun Li

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Northeast China faces severe air pollution in regional haze in wintertime. In this study, we revealed a contrasting formation mechanism of two typical haze events: Haze-I was induced by adverse meteorological conditions together with residential coal burning emissions; Haze-II was caused by agricultural biomass waste burning. In particular, we observed large numbers of tar balls as the primary brown carbon in northeast China.
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