Articles | Volume 18, issue 6
https://doi.org/10.5194/acp-18-3919-2018
https://doi.org/10.5194/acp-18-3919-2018
Research article
 | 
20 Mar 2018
Research article |  | 20 Mar 2018

Observational analyses of dramatic developments of a severe air pollution event in the Beijing area

Ju Li, Jielun Sun, Mingyu Zhou, Zhigang Cheng, Qingchun Li, Xiaoyan Cao, and Jingjiang Zhang

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Latest update: 01 Nov 2024
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Short summary
A rapid increase in the PM2.5 concentration in Beijing, China, on 30 November 2015 was found to be transported from south of Beijing by both turbulent mixing and advection processes. The nighttime relatively clean air was from the downslope flow northwest of Beijing; the rapid increase in the PM2.5 concentration in the morning resulted from the downward convective turbulent transfer of the polluted air that was rapidly advected over the nighttime stable boundary layer.
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