Articles | Volume 24, issue 14
https://doi.org/10.5194/acp-24-8473-2024
https://doi.org/10.5194/acp-24-8473-2024
Measurement report
 | 
29 Jul 2024
Measurement report |  | 29 Jul 2024

Measurement report: Impact of cloud processes on secondary organic aerosols at a forested mountain site in southeastern China

Zijun Zhang, Weiqi Xu, Yi Zhang, Wei Zhou, Xiangyu Xu, Aodong Du, Yinzhou Zhang, Hongqin Qiao, Ye Kuang, Xiaole Pan, Zifa Wang, Xueling Cheng, Lanzhong Liu, Qingyan Fu, Douglas R. Worsnop, Jie Li, and Yele Sun

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We investigated aerosol composition and sources and the interaction between secondary organic aerosol (SOA) and clouds at a regional mountain site in southeastern China. Clouds efficiently scavenge more oxidized SOA; however, cloud evaporation leads to the production of less oxidized SOA. The unexpectedly high presence of nitrate in aerosol particles indicates that nitrate formed in polluted areas has undergone interactions with clouds, significantly influencing the regional background site.
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