Modeling of aerosol property evolution during winter haze episodes over a megacity cluster in northern China: roles of regional transport and heterogeneous reactions of SO2
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Jie Li
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
Xueshun Chen
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Zifa Wang
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Jianjun Li
China National Environmental Monitoring Center, Beijing 100012, China
Jian Gao
Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Ying Wei
State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Viewed
Total article views: 3,739 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
2,474
1,170
95
3,739
369
117
140
HTML: 2,474
PDF: 1,170
XML: 95
Total: 3,739
Supplement: 369
BibTeX: 117
EndNote: 140
Views and downloads (calculated since 27 Nov 2018)
Cumulative views and downloads
(calculated since 27 Nov 2018)
Total article views: 2,866 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
1,958
821
87
2,866
202
107
128
HTML: 1,958
PDF: 821
XML: 87
Total: 2,866
Supplement: 202
BibTeX: 107
EndNote: 128
Views and downloads (calculated since 22 Jul 2019)
Cumulative views and downloads
(calculated since 22 Jul 2019)
Total article views: 873 (including HTML, PDF, and XML)
HTML
PDF
XML
Total
Supplement
BibTeX
EndNote
516
349
8
873
167
10
12
HTML: 516
PDF: 349
XML: 8
Total: 873
Supplement: 167
BibTeX: 10
EndNote: 12
Views and downloads (calculated since 27 Nov 2018)
Cumulative views and downloads
(calculated since 27 Nov 2018)
Viewed (geographical distribution)
Total article views: 3,739 (including HTML, PDF, and XML)
Thereof 3,520 with geography defined
and 219 with unknown origin.
Total article views: 2,866 (including HTML, PDF, and XML)
Thereof 2,727 with geography defined
and 139 with unknown origin.
Total article views: 873 (including HTML, PDF, and XML)
Thereof 793 with geography defined
and 80 with unknown origin.
Regional transport and heterogeneous reactions play crucial roles in haze formation. Using a chemical transport model, we found that chemical transformation of SO2 along the transport pathway from source regions to Beijing was the major source of sulfate. Heterogeneous chemistry had a stronger effect under high humidity and high pollution levels. Aerosols underwent aging during transport which altered the aerosol size and the degree of aging.
Regional transport and heterogeneous reactions play crucial roles in haze formation. Using a...
