Articles | Volume 20, issue 23
https://doi.org/10.5194/acp-20-14873-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-14873-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Dec 2020
Research article |
| 03 Dec 2020
| 03 Dec 2020
The warming Tibetan Plateau improves winter air quality in the Sichuan Basin, China
Shuyu Zhao
Key Laboratory of Aerosol Chemistry and Physics, SKLLQG, Institute of
Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China
Tian Feng
Department of Geography and Spatial Information Techniques, Ningbo
University, Ningbo, 315211, China
Xuexi Tie
CORRESPONDING AUTHOR
Key Laboratory of Aerosol Chemistry and Physics, SKLLQG, Institute of
Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China
Center for Excellence in Urban Atmospheric Environment, Institute of
Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
Zebin Wang
Northwest Air Traffic Management Bureau, Civil Aviation Administration
of China, Xi'an, 712000, China
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Short summary
The Tibetan Plateau has been experiencing a rapid warming during the last 40 years, particularly in winter. The warming leads to an increase in the planetary boundary layer height and a decrease in the relative humidity in the Sichuan Basin, causing a reduction of PM2.5 concentration by 17.5 % (~25.1 μg m−3), of which the reduction in secondary aerosols is 19.7 μg m−3. These findings indicate that the warming plateau plays an important role in mitigating air quality in downstream.
The Tibetan Plateau has been experiencing a rapid warming during the last 40 years, particularly...
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