Articles | Volume 18, issue 4
Atmos. Chem. Phys., 18, 2495–2509, 2018
https://doi.org/10.5194/acp-18-2495-2018
Atmos. Chem. Phys., 18, 2495–2509, 2018
https://doi.org/10.5194/acp-18-2495-2018

Research article 20 Feb 2018

Research article | 20 Feb 2018

Vertically resolved characteristics of air pollution during two severe winter haze episodes in urban Beijing, China

Qingqing Wang et al.

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We conducted the first real-time continuous vertical measurements of particle extinction, NO2, and BC from ground level to 260 m during two severe winter haze episodes in urban Beijing, China. Our results show very complex and dynamic vertical profiles that interact closely with boundary layer and meteorological conditions. Further analysis demonstrate that vertical convection, temperature inversion, and local emissions are three major factors affecting the changes in vertical profiles.
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