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Assessment of the emission mitigation effect on the wintertime air quality in the Guanzhong Basin, China from 2013 to 2017
Liu, Jie1,2,4; Li, Xia1,2; Liu, Suixin1; Liu, Lang1; Wu, Jiarui1; Wang, Ruonan1,2; Cao, Junji1,3; Li, Guohui1,3
Corresponding AuthorCao, Junji(cao@loess.llqg.ac.cn) ; Li, Guohui(ligh@ieecas.cn)
2021-10-01
Source PublicationATMOSPHERIC POLLUTION RESEARCH
ISSN1309-1042
Volume12Issue:10Pages:9
AbstractWith the completion of the Air Pollution Prevention and Control Action Plan (Action Plan) in the Guanzhong Basin (GZB), the wintertime fine particulate matters (PM2.5) concentration has decreased by 50.0 mu g m(-3) (33.4%) from 2013 to 2017. Considering the significant impacts of meteorological conditions on particulate pollution, the effectiveness of anthropogenic emissions abatement on the PM2.5 reduction in the GZB remain unclear. In this study, the WRF-Chem model was used to quantitatively evaluate the effectiveness of emissions mitigation on the particulate pollution in the GZB in December from 2013 to 2017. The model typically showed an affordable consistence with observations and simulation in meteorological parameters, atmospheric pollutants, and aerosol components. Sensitivity results revealed that emissions reduction decreases PM2.5 concentrations by around 17% in the GZB, about half of the observed PM2.5 decreased in December from 2013 to 2017, showing significant role of meteorological conditions in modulating particulate pollution. Emissions mitigation also decreased SO2, CO and O-3 concentrations by around 55%, 17%, and 7%, respectively, but increased NO2 concentrations by 27%. Additionally, the PM2.5 decrease in the GZB is mainly contributed by the reduction of sulfate and primary organic aerosols, caused by implementation of stringent SO2 mitigation measures and reduced coal use. However, the mitigation of elemental carbon, dust and nitrate aerosols are not significant, particularly with regarding to nitrate aerosols, which is influenced by increase of NO2 and decrease of sulfate. Specified emissions mitigation strategies need to be designed to further lower the PM PM2.5 level in the GZB.
KeywordEmissions mitigation Wintertime air quality PM2.5 WRF-Chem model
DOI10.1016/j.apr.2021.101196
WOS KeywordBEIJING-TIANJIN-HEBEI ; ORGANIC AEROSOL CONCENTRATIONS ; ANTHROPOGENIC EMISSIONS ; MEXICO-CITY ; SEVERE HAZE ; METEOROLOGICAL UNCERTAINTIES ; PARTICULATE POLLUTION ; NITRATE FORMATION ; WEATHER PATTERNS ; HONO SOURCES
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Key RD Plan of China[2017YFC0212206] ; National Key RD Plan of China[2017YFC0210000] ; Key Research and Development Program of Shaanxi[2021ZDLSF05-07] ; Key Research and Development Program of Shaanxi[2018ZDCXL-SF-02-05]
WOS Research AreaEnvironmental Sciences & Ecology
Funding OrganizationNational Key RD Plan of China ; Key Research and Development Program of Shaanxi
WOS SubjectEnvironmental Sciences
WOS IDWOS:000712830700004
PublisherTURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/17185
Collection粉尘与环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorCao, Junji; Li, Guohui
Affiliation1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, SKLLQG, Xian 710061, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
4.Shaanxi Prov Acad Environm Sci, Xian 710061, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jie,Li, Xia,Liu, Suixin,et al. Assessment of the emission mitigation effect on the wintertime air quality in the Guanzhong Basin, China from 2013 to 2017[J]. ATMOSPHERIC POLLUTION RESEARCH,2021,12(10):9.
APA Liu, Jie.,Li, Xia.,Liu, Suixin.,Liu, Lang.,Wu, Jiarui.,...&Li, Guohui.(2021).Assessment of the emission mitigation effect on the wintertime air quality in the Guanzhong Basin, China from 2013 to 2017.ATMOSPHERIC POLLUTION RESEARCH,12(10),9.
MLA Liu, Jie,et al."Assessment of the emission mitigation effect on the wintertime air quality in the Guanzhong Basin, China from 2013 to 2017".ATMOSPHERIC POLLUTION RESEARCH 12.10(2021):9.
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