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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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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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ACP | Articles | Volume 18, issue 6
Atmos. Chem. Phys., 18, 3919–3935, 2018
https://doi.org/10.5194/acp-18-3919-2018
Atmos. Chem. Phys., 18, 3919–3935, 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 et al.

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Latest update: 20 Jan 2021
Publications Copernicus
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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.
Citation
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Final-revised paper
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