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Physicochemical characteristics of black carbonaerosol and its radiative impact in a pollutedurban area of China
Wang,QY(Wang,Qiyuan)[1]; Huang,RJ(Huang,Rujin)[1,2,3]; Zhao,ZZ(Zhao,Zhuzi)[1]; Cao,JJ(Cao,Junji)[1,4]; Ni,HY(Ni,Haiyan)[1]; Tie,XX(Tie,Xuexi)[1]; Zhao,SY(Zhao,Shuyu)[1]; Su,XL(Su,Xiaoli)[1]; Han,YM(Han,Yongming)[1,4]; Shen,ZX(Shen,Zhenxing)[5]; Wang,YC(Wang,Yichen)[1]; Zhang,NN(Zhang,Ningning)[1]; Zhou,YQ(Zhou,Yaqing)[1]; Corbin,J C(Corbin, Joel C)[2]
2016-10-24
发表期刊Journal of Geophysical Research: Atmospheres
卷号121期号:12页码:12505-12519
文章类型期刊论文
摘要

Black carbon (BC) aerosol plays an important role in the Earth’s radiative balance. An intensive measurement campaign was conducted at Xi’an, China, from December 2012 to January 2013 to investigate the sources and physicochemical characteristics of refractory BC (rBC) and its direct radiative forcing at the surface. The overall average rBC concentration for the campaign was 8.0 ± 7.1 μg m 3. Source apportionment based on positive matrix factorization showed that traffic was the dominant rBC source (46.0%), followed by coal burning (33.9%) and biomass burning (20.1%). The rBC mass size distributions were monomodal and lognormal with larger mass median diameters for coal burning source (215 nm) compared with the traffic source (189 nm). Coal burning rBC was more strongly associated with sulfate than traffic rBC, suggesting a higher cloud condensation nuclei activity. The slope of a robust linear regression between rBC and carbon monoxide (CO) for all samples was 5.9 μg m 3 ppm 1, and the slope for the coal burning source (4.5 μg m 3 ppm 1) was larger than that for the traffic source (2.7 μg m 3 ppm 1). The net rBC emission during winter of 2009 was estimated to be 4.5 Gg based on the relationship between rBC and CO. A Tropospheric Ultraviolet and Visible radiation model showed that the average daytime value for the clear-sky direct radiative forcing due to rBC from 23 December 2012 to 31 January 2013 was 47.7 ± 28.9 W m 2, which amounted to an average of 45.7% of the total surface atmospheric aerosol forcing.

DOI10.1002/2016JD024748
收录类别SCI
语种英语
引用统计
被引频次:12[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/361006/5929
专题粉尘与环境研究室
作者单位1.Key Laboratory of Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an,China;
2.Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland;
3.Centre for Atmospheric andMarine Sciences, Xiamen Huaxia University, Xiamen, China;
4.Institute of Global Environmental Change, Xi’an JiaotongUniversity, Xi’an, China;
5.Department of Environmental Sciences and Engineering, Xi’an Jiaotong University, Xi’an, China
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GB/T 7714
Wang,QY,Huang,RJ,Zhao,ZZ,et al. Physicochemical characteristics of black carbonaerosol and its radiative impact in a pollutedurban area of China[J]. Journal of Geophysical Research: Atmospheres,2016,121(12):12505-12519.
APA Wang,QY.,Huang,RJ.,Zhao,ZZ.,Cao,JJ.,Ni,HY.,...&Corbin,J C.(2016).Physicochemical characteristics of black carbonaerosol and its radiative impact in a pollutedurban area of China.Journal of Geophysical Research: Atmospheres,121(12),12505-12519.
MLA Wang,QY,et al."Physicochemical characteristics of black carbonaerosol and its radiative impact in a pollutedurban area of China".Journal of Geophysical Research: Atmospheres 121.12(2016):12505-12519.
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