Aerosol vertical mass flux measurements during heavy aerosol pollution episodes at a rural site and an urban site in the Beijing area of the North China Plain
State Key Laboratory of Severe Weather & Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences,
Beijing 100081, China
Center for Excellence in Regional Atmospheric Environment, IUE, CAS,
Xiamen 361021, China
Hao Liu
School of Earth and Space Sciences, University of Science and
Technology of China, Anhui 230026, China
Yu Gui
School of Earth and Space Sciences, University of Science and
Technology of China, Anhui 230026, China
Bohao Shao
School of Earth and Space Sciences, University of Science and
Technology of China, Anhui 230026, China
Xiaoping Tao
School of Physical Sciences, University of Science and Technology of
China, Anhui 230026, China
Yaqiang Wang
State Key Laboratory of Severe Weather & Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences,
Beijing 100081, China
State Key Laboratory of Severe Weather & Key Laboratory of
Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences,
Beijing 100081, China
Yubin Li
School of Geography and Remote Sensing, Nanjing University of
Information Science and Technology, Nanjing 210044, China
Zhiqiu Gao
School of Geography and Remote Sensing, Nanjing University of
Information Science and Technology, Nanjing 210044, China
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To understand the contribution of ground emission during heavy pollution in Beijing, Tianjin and Hebei, aerosol fluxes were estimated in Beijing and Gucheng areas. The results show that in the three stages of a heavy pollution process (transport, accumulative and removal stages: TS, AS and RS), the ground emissions in the TS and RS stages are stronger, while the ground discharge in the AS stage is weak. The weakened mass flux indicates that the already weak turbulence would be further weakened.
To understand the contribution of ground emission during heavy pollution in Beijing, Tianjin and...
