Articles | Volume 23, issue 14
https://doi.org/10.5194/acp-23-8021-2023
https://doi.org/10.5194/acp-23-8021-2023
Research article
 | 
19 Jul 2023
Research article |  | 19 Jul 2023

Assessment of the impacts of cloud chemistry on surface SO2 and sulfate levels in typical regions of China

Jianyan Lu, Sunling Gong, Jian Zhang, Jianmin Chen, Lei Zhang, and Chunhong Zhou

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Assessment of the impacts of cloud chemistry on surface SO2 and sulfate levels in typical regions of China
Jian-yan Lu, Sunling Gong, Chun-hong Zhou, Jian Zhang, Jian-min Chen, and Lei Zhang
Atmos. Chem. Phys. Discuss., https://doi.org/10.5194/acp-2022-716,https://doi.org/10.5194/acp-2022-716, 2022
Revised manuscript not accepted
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Subject: Aerosols | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

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Cao, J., Qiu, X., Gao, J., Wang, F., Wang, J., Wu, J., and Peng, L.: Significant decrease in SO2 emission and enhanced atmospheric oxidation trigger changes in sulfate formation pathways in China during 2008–2016, J. Clean. Product., 326, 129396, https://doi.org/10.1016/j.clepro.2021.129396, 2021. 
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WRF/CUACE was used to assess the cloud chemistry contribution in China. Firstly, the CUACE cloud chemistry scheme was found to reproduce well the cloud processing and consumption of H2O2, O3, and SO2, as well as the increase of sulfate. Secondly, during cloud availability in December under a heavy pollution episode, sulfate production increased 60–95 % and SO2 was reduced by over 80 %. This study provides a way to analyze the phenomenon of overestimation of SO2 in many chemical transport models.
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