DOI: 10.1016/j.atmosenv.2018.01.009
Scopus记录号: 2-s2.0-85040222479
论文题名: Characterizing and sourcing ambient PM2.5 over key emission regions in China III: Carbon isotope based source apportionment of black carbon
作者: Yu K ; , Xing Z ; , Huang X ; , Deng J ; , Andersson A ; , Fang W ; , Gustafsson Ö ; , Zhou J ; , Du K
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2018
卷: 177 起始页码: 12
结束页码: 17
语种: 英语
英文关键词: Biomass burning
; Black carbon
; Carbon isotope
; Fossil fuel
; PM2.5
Scopus关键词: Aerosols
; Air quality
; Coal combustion
; Fog
; Fuels
; Isotopes
; River pollution
; Biomass-burning
; Black carbon
; Carbon isotopes
; Fossil fuel combustion
; Fossil fuel component
; Northern China Plains
; PM2.5
; Source apportionment
; Fossil fuels
; black carbon
; carbon
; coal
; diesel fuel
; fossil fuel
; gasoline
; isotope
; oil
; air quality
; ambient air
; atmospheric pollution
; biomass burning
; black carbon
; carbon isotope
; combustion
; emission
; environmental impact assessment
; fossil fuel
; haze
; particulate matter
; regional climate
; source apportionment
; aerosol
; air pollution
; air quality
; ambient air
; Article
; China
; combustion
; haze
; isotope analysis
; particulate matter
; priority journal
; Beijing [China]
; China
; Guangdong
; Hebei
; North China Plain
; Tianjin
; Zhujiang Delta
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Regional haze over China has severe implications for air quality and regional climate. To effectively combat these effects the high uncertainties regarding the emissions from different sources needs to be reduced. In this paper, which is the third in a series on the sources of PM2.5 in pollution hotspot regions of China, we focus on the sources of black carbon aerosols (BC), using carbon isotope signatures. Four-season samples were collected at two key locations: Beijing-Tianjin-Hebei (BTH, part of Northern China plain), and the Pearl River Delta (PRD). We find that that fossil fuel combustion was the predominant source of BC in both BTH and PRD regions, accounting for 75 ± 5%. However, the contributions of what fossil fuel components were dominating differed significantly between BTH and PRD, and varied dramatically with seasons. Coal combustion is overall the all-important BC source in BTH, accounting for 46 ± 12% of the BC in BTH, with the maximum value (62%) found in winter. In contrast for the PRD region, liquid fossil fuel combustion (e.g., oil, diesel, and gasoline) is the dominant source of BC, with an annual mean value of 41 ± 15% and the maximum value of 55% found in winter. Region- and season-specific source apportionments are recommended to both accurately assess the climate impact of carbonaceous aerosol emissions and to effectively mitigate deteriorating air quality caused by carbonaceous aerosols. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/83057
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Canada; Key Laboratory for Urban Habitat Environmental Science and Technology, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China; Department of Environmental Science and Analytical Chemistry (ACES) and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden; School of Resources and Environmental Engineering, Wuhan University of Technology, 122 Luoshi Road, Wuhan, China
Recommended Citation:
Yu K,, Xing Z,, Huang X,et al. Characterizing and sourcing ambient PM2.5 over key emission regions in China III: Carbon isotope based source apportionment of black carbon[J]. Atmospheric Environment,2018-01-01,177