Articles | Volume 22, issue 16
https://doi.org/10.5194/acp-22-10751-2022
https://doi.org/10.5194/acp-22-10751-2022
Research article
 | 
25 Aug 2022
Research article |  | 25 Aug 2022

Impact of a subtropical high and a typhoon on a severe ozone pollution episode in the Pearl River Delta, China

Shanshan Ouyang, Tao Deng, Run Liu, Jingyang Chen, Guowen He, Jeremy Cheuk-Hin Leung, Nan Wang, and Shaw Chen Liu

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Latest update: 22 Nov 2024
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Short summary
A record-breaking severe O3 pollution episode occurred under the influence of a Pacific subtropical high followed by Typhoon Mitag in the Pearl River Delta (PRD) in early Autumn 2019. Through WRF-CMAQ model simulations, we propose that the enhanced photochemical production of O3 during the episode is a major cause of the most severe O3 pollution year since the official O3 observation started in the PRD in 2006.
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