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Size distribution and mixing state of refractory black carbon aerosol from a coastal city in South China
Wang, Qiyuan1; Huang, Ru-Jin1,2,3; Zhao, Zhuzi1; Zhang, Ningning1; Wang, Yichen1; Ni, Haiyan1; Tie, Xuexi1,4; Han, Yongming1,5; Zhuang, Mazhan6; Wang, Meng1; Zhang, Jieru6; Zhang, Xuemin6; Dusek, Uli7; Cao, Junji1,5
AbstractAn intensive measurement campaign was conducted in the coastal city of Xiamen, China to investigate the size distribution and mixing state of the refractory black carbon (rBC) aerosol. The average rBC concentration for the campaign, measured with a ground-based single particle soot photometer (SP2), was 2.3 +/- 1.7 mu g m(-3), which accounted for similar to 4.3% of the PM2.5 mass. A potential source contribution function model indicated that emissions from coastal cities to the southwest were the most important source for the rBC and that shipping traffic was another likely source. The mass size distribution of the rBC particles was mono-modal and approximately lognormal, with a mass median diameter (MMD) of similar to 185 nm. Larger MMD5 (similar to 195 nm) occurred during polluted conditions compared with non-polluted times (similar to 175 nm) due to stronger biomass burning activities during pollution episodes. Uncoated or thinly-coated particles composed the bulk of the rBC aerosol, and on average similar to 31% of the rBC was internally-mixed or thickly-coated. A positive matrix factorization model showed that organic materials were the predominant component of the rBC coatings and that mixing with nitrate increased during pollution conditions. These findings should lead to improvements in the parameterizations used to model the radiative effects of rBC. (C) 2016 Elsevier B.V. All rights reserved.
KeywordRefractory Black Carbon Potential Sources Size Distributions Mixing State
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000381952000016
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
2.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
3.Xiamen Huaxia Univ, Ctr Atmospher & Marine Sci, Xiamen 361024, Peoples R China
4.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Urban Atmospher Environm, Xiamen 361021, Peoples R China
5.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
6.Xiamen Environm Monitoring Cent Stn, Xiamen 361012, Peoples R China
7.Univ Groningen, ESRIG, Ctr Isotope Res CIO, NL-9700 AB Groningen, Netherlands
Recommended Citation
GB/T 7714
Wang, Qiyuan,Huang, Ru-Jin,Zhao, Zhuzi,et al. Size distribution and mixing state of refractory black carbon aerosol from a coastal city in South China[J]. ATMOSPHERIC RESEARCH,2016,181(2016):163-171.
APA Wang, Qiyuan.,Huang, Ru-Jin.,Zhao, Zhuzi.,Zhang, Ningning.,Wang, Yichen.,...&Cao, Junji.(2016).Size distribution and mixing state of refractory black carbon aerosol from a coastal city in South China.ATMOSPHERIC RESEARCH,181(2016),163-171.
MLA Wang, Qiyuan,et al."Size distribution and mixing state of refractory black carbon aerosol from a coastal city in South China".ATMOSPHERIC RESEARCH 181.2016(2016):163-171.
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