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Seasonal variation, spatial distribution and source apportionment for polycyclic aromatic hydrocarbons (PAHs) at nineteen communities in Xi'an, China: The effects of suburban scattered emissions in winter
Wang, Jingzhi1,2; Cao, Junji2,3; Dong, Zhibao1,4; Guinot, Benjamin5; Gao, Meiling6; Huang, Rujin2,7; Han, Yongming2; Huang, Yu2; Ho, Steven Sai Hang2,8; Shen, Zhenxing3
2017-12-01
发表期刊ENVIRONMENTAL POLLUTION
卷号231期号:Pt2页码:1330-1343
文章类型Article
摘要Seasonal variation and spatial distribution of PM2.5 bound polycyclic aromatic hydrocarbons (PAHs) were investigated at urban residential, commercial area, university, suburban region, and industry in Xi'an, during summer and winter time at 2013. Much higher levels of total PAHs were obtained in winter. Spatial distributions by kriging interpolations principle showed that relative high PAHs were detected in western Xi'an in both summer and winter, with decreasing trends in winter from the old city wall to the 2nd-3rd ring road except for the suburban region and industry. Coefficients of diversity and statistics by SPSS method demonstrated that PAHs in suburban have significant differences (t < 0.05) with those in urban residential in both seasons. The positive Matrix Factorization (PMF) modeling indicated that biomass burning (31.1%) and vehicle emissions (35.9%) were main sources for PAHs in winter and summer in urban, which different with the suburban. The coal combustion was the main source for PAHs in suburban region, which accounted for 46.6% in winter and sharp decreased to 19.2% in summer. Scattered emissions from uncontrolled coal combustion represent an important source of PAHs in suburban in winter and there were about 135 persons in Xi'an will suffer from lung cancer for lifetime exposure at winter levels. Further studies are needed to specify the effluence of the scattered emission in suburban to the city and to develop a strategy for controlling those emissions and lighten possible health effects. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Time And Spatial Distribution Source Apportionment Health Risk Scattered Emissions Pahs
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.envpol.2017.08.106
关键词[WOS]ESTIMATING POPULATION EXPOSURE ; EXTRACTABLE ORGANIC-MATTER ; CANCER-RISK ASSESSMENT ; PARTICULATE MATTER ; N-ALKANES ; OXYGENATED-PAHS ; SIZE-DISTRIBUTION ; AMBIENT AIR ; CARBONACEOUS AEROSOLS ; SOURCE IDENTIFICATION
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000415777300012
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5396
专题粉尘与环境研究室
作者单位1.Shaanxi Normal Univ, Sch Geog & Tourism, Natl Demonstrat Ctr Expt Geog Educ, Xian, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian, Shaanxi, Peoples R China
3.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Shaanxi, Peoples R China
4.Chinese Acad Sci, Lab Blown Sand Phys & Desert Environm, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou, Gansu, Peoples R China
5.Univ Toulouse, CNRS, UPS, Lab Aerol, Toulouse, France
6.Univ Calif Berkeley, Environm Hlth Sci Div, Sch Publ Hlth, 50 Univ Hall 7360, Berkeley, CA 94720 USA
7.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
8.Desert Res Inst, Div Atmospher Sci, Reno, NV USA
推荐引用方式
GB/T 7714
Wang, Jingzhi,Cao, Junji,Dong, Zhibao,et al. Seasonal variation, spatial distribution and source apportionment for polycyclic aromatic hydrocarbons (PAHs) at nineteen communities in Xi'an, China: The effects of suburban scattered emissions in winter[J]. ENVIRONMENTAL POLLUTION,2017,231(Pt2):1330-1343.
APA Wang, Jingzhi.,Cao, Junji.,Dong, Zhibao.,Guinot, Benjamin.,Gao, Meiling.,...&Shen, Zhenxing.(2017).Seasonal variation, spatial distribution and source apportionment for polycyclic aromatic hydrocarbons (PAHs) at nineteen communities in Xi'an, China: The effects of suburban scattered emissions in winter.ENVIRONMENTAL POLLUTION,231(Pt2),1330-1343.
MLA Wang, Jingzhi,et al."Seasonal variation, spatial distribution and source apportionment for polycyclic aromatic hydrocarbons (PAHs) at nineteen communities in Xi'an, China: The effects of suburban scattered emissions in winter".ENVIRONMENTAL POLLUTION 231.Pt2(2017):1330-1343.
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