Articles | Volume 19, issue 10
https://doi.org/10.5194/acp-19-6879-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-19-6879-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Evaluating the “2+26” regional strategy for air quality improvement during two air pollution alerts in Beijing: variations in PM2.5 concentrations, source apportionment, and the relative contribution of local emission and regional transport
Ziyue Chen
State Key Laboratory of Earth Surface Processes and Resource Ecology,
College of Global and Earth System Sciences, Beijing Normal University, 19
Xinjiekou Street, Haidian, Beijing 100875, China
Joint Center for Global Change Studies, Beijing 100875, China
Danlu Chen
State Key Laboratory of Earth Surface Processes and Resource Ecology,
College of Global and Earth System Sciences, Beijing Normal University, 19
Xinjiekou Street, Haidian, Beijing 100875, China
Wei Wen
Institute of Urban Meteorology, China Meteorological
Administration, Beijing 100089, China
Yan Zhuang
State Key Laboratory of Earth Surface Processes and Resource Ecology,
College of Global and Earth System Sciences, Beijing Normal University, 19
Xinjiekou Street, Haidian, Beijing 100875, China
Mei-Po Kwan
Department of Geography and Geographic Information Science, University
of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
Department of Human Geography and Spatial Planning, Utrecht
University, 3584 CB Utrecht, the Netherlands
Bin Chen
Department of Land, Air and Water Resources, University of California,
Davis, CA 95616, USA
Bo Zhao
College of Earth, Ocean, and Atmospheric Sciences, Oregon State
University, OR 97331, USA
Lin Yang
CORRESPONDING AUTHOR
School of Geography and Ocean Science, Nanjing University,
Nanjing 210023, China
Bingbo Gao
National Engineering Research Center for Information Technology in
Agriculture, 11 Shuguang Hua Yuan Middle Road, Beijing 100097, China
Ruiyuan Li
State Key Laboratory of Earth Surface Processes and Resource Ecology,
College of Global and Earth System Sciences, Beijing Normal University, 19
Xinjiekou Street, Haidian, Beijing 100875, China
Bing Xu
CORRESPONDING AUTHOR
Ministry of Education Key Laboratory for Earth System Modeling,
Department of Earth System Science, Tsinghua University, Beijing 100084,
China
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Discussed (preprint)
Latest update: 23 Nov 2024
Short summary
This research is the first attempt to comprehensively evaluate the recent
2+26strategy for air quality improvement in Beijing. We additionally considered two corresponding pollution episodes with different emission-reduction strategies to comprehensively understand the effects of
2+26strategy. The findings suggested that red alerts be employed in heavy pollution episodes to intentionally reduce vehicle exhaust, which has become the dominant source for high PM2.5 concentrations in Beijing.
This research is the first attempt to comprehensively evaluate the recent
2+26strategy for air...
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