The Cryosphere
The Cryosphere
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Articles | Volume 20, issue 9
Articles | Volume 20, issue 9
https://doi.org/10.5194/tc-20-5435-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-5435-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 9
Research article
 | 
22 Sep 2026
Research article |  | 22 Sep 2026

Numerical modeling on the mechanisms of chlorine chemistry in snowpack and their impact on secondary atmospheric pollution

Shengjin Xie, Xuelei Zhang, Aijun Xiu, Hong Qi, Shengrui Tong, Qianjie Chen, Chao Gao, Hongmei Zhao, Shichun Zhang, Stephen Dauda Yabo, Yiming Liu, Siting Li, and Mengduo Zhang

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Short summary
This study examines how snow-covered surfaces affect air pollution in Northeast China. Using numerical simulations, we explore chlorine-related chemical reactions that generate reactive species, enhancing fine particles and ozone. Results show that snow-surface reactions drive nighttime pollutant accumulation and notably improve model performance, providing new insights into how snow and surface chemistry influence regional air quality.
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