Meteorology impact on PM2.5 change over a receptor region in the regional transport of air pollutants: observational study of recent emission reductions in central China
Xiaoyun Sun,Tianliang Zhao,Yongqing Bai,Shaofei Kong,Huang Zheng,Weiyang Hu,Xiaodan Ma,and Jie Xiong
Xiaoyun Sun
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of
China Meteorological Administration, PREMIC, Nanjing University of
Information Science and Technology, Nanjing, 210044, China
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of
China Meteorological Administration, PREMIC, Nanjing University of
Information Science and Technology, Nanjing, 210044, China
Institute of Heavy Rain, China Meteorological Administration, Wuhan, 430205, China
Shaofei Kong
Department of Atmospheric Sciences, School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, China
Huang Zheng
Department of Atmospheric Sciences, School of Environmental Studies, China University of Geosciences (Wuhan), Wuhan, 430074, China
Weiyang Hu
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of
China Meteorological Administration, PREMIC, Nanjing University of
Information Science and Technology, Nanjing, 210044, China
Xiaodan Ma
Collaborative Innovation Center on Forecast and Evaluation of
Meteorological Disasters, Key Laboratory for Aerosol-Cloud-Precipitation of
China Meteorological Administration, PREMIC, Nanjing University of
Information Science and Technology, Nanjing, 210044, China
Jie Xiong
Institute of Heavy Rain, China Meteorological Administration, Wuhan, 430205, China
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This study revealed the impact of anthropogenic emissions and meteorological conditions on PM2.5 decline in the regional transport of air pollutants over a receptor region in central China. The meteorological drivers led to upwind accelerating and downward offsetting of the effects of emission reductions over the receptor region in regional PM2.5 transport, and the contribution of gaseous precursor emissions to PM2.5 pollution was enhanced with reduced anthropogenic emissions in recent years.
This study revealed the impact of anthropogenic emissions and meteorological conditions on PM2.5...
