Articles | Volume 21, issue 24
Atmos. Chem. Phys., 21, 18589–18608, 2021
https://doi.org/10.5194/acp-21-18589-2021

Special issue: Air quality research at street level (ACP/GMD inter-journal...

Atmos. Chem. Phys., 21, 18589–18608, 2021
https://doi.org/10.5194/acp-21-18589-2021
Research article
22 Dec 2021
Research article | 22 Dec 2021

The drivers and health risks of unexpected surface ozone enhancements over the Sichuan Basin, China, in 2020

Youwen Sun et al.

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Latest update: 31 Jan 2023
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Short summary
This study uses high-resolution nested-grid GEOS-Chem simulation, the eXtreme Gradient Boosting (XGBoost) machine learning method, and the exposure–response relationship to determine the drivers and evaluate the health risks of the unexpected surface O3 enhancements over the Sichuan Basin in 2020. These unexpected O3 enhancements were induced by meteorological anomalies and caused dramatically high health risks.
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