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Water-Insoluble Organics Dominate Brown Carbon in Wintertime Urban Aerosol of China: Chemical Characteristics and Optical Properties
Huang, Ru-Jin1,2,3,4; Yang, Lu1,2; Shen, Jincan5; Yuan, Wei1,2; Gong, Yuquan1,2; Guo, Jie1,2; Cao, Wenjuan1,2; Duan, Jing1,2; Ni, Haiyan1,2,6; Zhu, Chongshu1,2; Dai, Wenting1,2; Li, Yongjie7; Chen, Yang8; Chen, Qi9; Wu, Yunfei10; Zhang, Renjian10; Dusek, Ulrike6; O'Dowd, Colin11,12; Hoffmann, Thorsten13
Corresponding AuthorHuang, Ru-Jin(rujin.huang@ieecas.cn) ; Shen, Jincan(jincansh@263.net)
2020-07-07
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume54Issue:13Pages:7836-7847
AbstractThe chromophores responsible for light absorption in atmospheric brown carbon (BrC) are not well characterized, which hinders our understanding of BrC chemistry, the links with optical properties, and accurate model representations of BrC to global climate and atmospheric oxidative capacity. In this study, the light absorption properties and chromophore composition of three BrC fractions of different polarities were characterized for urban aerosol collected in Xi'an and Beijing in winter 2013-2014. These three BrC fractions show large differences in light absorption and chromophore composition, but the chromophores responsible for light absorption are similar in Xi'an and Beijing. Water-insoluble BrC (WI-BrC) fraction dominates the total BrC absorption at 365 nm in both Xi'an (51 +/- 5%) and Beijing (62 +/- 13%), followed by a humic-like fraction (HULIS-BrC) and high-polarity water-soluble BrC. The major chromophores identified in HULIS-BrC are nitrophenols and carbonyl oxygenated polycyclic aromatic hydrocarbons (OPAHs) with 2-3 aromatic rings (in total 18 species), accounting for 10% and 14% of the light absorption of HULIS-BrC at 365 nm in Xi'an and Beijing, respectively. In comparison, the major chromophores identified in WI-BrC are PAHs and OPAHs with 4-6 aromatic rings (in total 16 species), contributing 6% and 8% of the light absorption of WI-BrC at 365 nm in Xi'an and Beijing, respectively.
DOI10.1021/acs.est.0c01149
WOS KeywordLIGHT-ABSORPTION PROPERTIES ; POLYCYCLIC AROMATIC-HYDROCARBONS ; FINE PARTICULATE MATTER ; BLACK CARBON ; MOLECULAR CHARACTERIZATION ; EMISSION FACTORS ; OXYGENATED-PAHS ; MASS ; PM2.5 ; ATMOSPHERE
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[41877408] ; National Natural Science Foundation of China (NSFC)[41925015] ; National Natural Science Foundation of China (NSFC)[91644219] ; National Natural Science Foundation of China (NSFC)[41675120] ; Chinese Academy of Sciences[ZDBS-LY-DQC001] ; National Key Research and Development Program of China[2017YFC0212701] ; Cross Innovative Team fund from the State Key Laboratory of Loess and Quaternary Geology[SKLLQGTD1801]
WOS Research AreaEngineering ; Environmental Sciences & Ecology
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Chinese Academy of Sciences ; National Key Research and Development Program of China ; Cross Innovative Team fund from the State Key Laboratory of Loess and Quaternary Geology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000548584900015
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/15064
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 AuthorHuang, Ru-Jin; Shen, Jincan
Affiliation1.Chinese Acadcmy Sci, State Key Lab Loess & Quaternary Geol, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
2.Chinese Acadcmy Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
3.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
4.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Ocean Continental Climate & Environm, Qingdao 266061, Peoples R China
5.Food Inspect & Quarantine Technol Ctr Shenzhen Cu, Key Lab Detect Technol R&D Food Safety, Shenzhen 518045, Peoples R China
6.Univ Groningen, Energy & Sustainabil Res Inst Groningen ESRIG, Ctr Isotope Res CIO, NL-9747 AG Groningen, Netherlands
7.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Taipa 999078, Macao, Peoples R China
8.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
9.Peking Univ, Coll Environm Sci & Engn, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100871, Peoples R China
10.Chinese Acad Sci, Inst Atmospher Phys, RCE TEA, Beijing 100029, Peoples R China
11.Natl Univ Ireland Galway, Sch Phys, Galway H91 CF50, Ireland
12.Natl Univ Ireland Galway, Ctr Climate & Air Pollut Studies, Ryan Inst, Galway H91 CF50, Ireland
13.Johannes Gutenberg Univ Mainz, Inst Inorgan & Analyt Chem, D-55128 Mainz, Germany
Recommended Citation
GB/T 7714
Huang, Ru-Jin,Yang, Lu,Shen, Jincan,et al. Water-Insoluble Organics Dominate Brown Carbon in Wintertime Urban Aerosol of China: Chemical Characteristics and Optical Properties[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2020,54(13):7836-7847.
APA Huang, Ru-Jin.,Yang, Lu.,Shen, Jincan.,Yuan, Wei.,Gong, Yuquan.,...&Hoffmann, Thorsten.(2020).Water-Insoluble Organics Dominate Brown Carbon in Wintertime Urban Aerosol of China: Chemical Characteristics and Optical Properties.ENVIRONMENTAL SCIENCE & TECHNOLOGY,54(13),7836-7847.
MLA Huang, Ru-Jin,et al."Water-Insoluble Organics Dominate Brown Carbon in Wintertime Urban Aerosol of China: Chemical Characteristics and Optical Properties".ENVIRONMENTAL SCIENCE & TECHNOLOGY 54.13(2020):7836-7847.
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