Journal article
Source attribution of particulate matter pollution over North China with the adjoint method
Environmental research letters, v 10(8), p84011
12 Aug 2015
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Abstract
We quantify the source contributions to surface PM2.5 (fine particulate matter) pollution over North China from January 2013 to 2015 using the GEOS-Chem chemical transport model and its adjoint with improved model horizontal resolution (1 4° × 5 16°) and aqueous-phase chemistry for sulfate production. The adjoint method attributes the PM2.5 pollution to emissions from different source sectors and chemical species at the model resolution. Wintertime surface PM2.5 over Beijing is contributed by emissions of organic carbon (27% of the total source contribution), anthropogenic fine dust (27%), and SO2 (14%), which are mainly from residential and industrial sources, followed by NH3 (13%) primarily from agricultural activities. About half of the Beijing pollution originates from sources outside of the city municipality. Adjoint analyses for other cities in North China all show significant regional pollution transport, supporting a joint regional control policy for effectively mitigating the PM2.5 air pollution.
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Details
- Title
- Source attribution of particulate matter pollution over North China with the adjoint method
- Creators
- Lin Zhang - Peking University Laboratory for Climate and Ocean-Atmosphere Sciences, Department of Atmospheric and Oceanic Sciences, School of Physics, Beijing 100871, People's Republic of ChinaLicheng Liu - Peking University Laboratory for Climate and Ocean-Atmosphere Sciences, Department of Atmospheric and Oceanic Sciences, School of Physics, Beijing 100871, People's Republic of ChinaYuanhong Zhao - Peking University Laboratory for Climate and Ocean-Atmosphere Sciences, Department of Atmospheric and Oceanic Sciences, School of Physics, Beijing 100871, People's Republic of ChinaSunling Gong - Key Laboratory for Atmospheric Chemistry, Chinese Academy of Meteorological Sciences, CMA, Beijing, People's Republic of ChinaXiaoye Zhang - Key Laboratory for Atmospheric Chemistry, Chinese Academy of Meteorological Sciences, CMA, Beijing, People's Republic of ChinaDaven K Henze - University of Colorado Department of Mechanical Engineering, Boulder, CO 80309, USAShannon L Capps - University of Colorado Department of Mechanical Engineering, Boulder, CO 80309, USATzung-May Fu - Peking University Laboratory for Climate and Ocean-Atmosphere Sciences, Department of Atmospheric and Oceanic Sciences, School of Physics, Beijing 100871, People's Republic of ChinaQiang Zhang - Tsinghua University Ministry of Education Key Laboratory for Earth System Modeling, Center for Earth System Science, Beijing 100084, People's Republic of ChinaYuxuan Wang - Texas A&M University Department of Atmospheric Sciences, College Station, TX 77843, USA
- Publication Details
- Environmental research letters, v 10(8), p84011
- Publisher
- IOP Publishing
- Number of pages
- 8
- Grant note
- 2014CB441303 / China's National Basic Research Program 41205103; 41475112 / National Natural Science Foundation of China (http://dx.doi.org/10.13039/501100001809)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000366999400012
- Other Identifier
- 991014877655004721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Environmental Sciences
- Meteorology & Atmospheric Sciences