IB-CAS  > 植被与环境变化国家重点实验室
Source forensics ofn-alkanes andn-fatty acids in urban aerosols using compound specific radiocarbon/stable carbon isotopic composition
Ren, Lujie7,8; Wang, Yiyun1,2; Kawamura, Kimitaka3; Bikkina, Srinivas3; Haghipour, Negar1,4; Wacker, Lukas4; Pavuluri, Chandra Mouli; Zhang, Zhimin; Yue, Siyao5,6; Sun, Yele5; Wang, Zifa5; Zhang, Yanli7,8; Feng, Xiaojuan2; Liu, Cong-Qiang; Eglinton, Timothy, I1; Fu, Pingqing
2020
Source PublicationENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
Volume15Issue:7
Abstractn-Alkanes and fatty acids are important molecular markers for the source apportionment of organic matter in the atmosphere. Traditional approaches to date have mostly relied upon the source-specific differences in their molecular distributions and carbon preference index. Alternatively, we demonstrate here the use of stable carbon and radiocarbon isotopic composition (delta C-13 and Delta C-14, respectively) ofn-alkanes andn-fatty acids in aerosols from two urban receptor sites (Beijing and Tianjin) in Northeast China to assess their sources in autumn. The Delta(14)C(n)(-alkanes)of C-19-C(24)and C-26-C(32)even-carbon homologs (-851 to -708 parts per thousand) indicate their dominance from fossil fuel combustion. In contrast, the Delta C-14 of most abundant palmitic acid (C-16:0) and stearic acid (C-18:0) suggest a larger contribution from nonfossil sources (similar to 91%-94%), mainly due to inputs from cooking, biomass burning and microorganisms. Compared with lower Delta C-14 of C(27)and C(31)n-alkanes (-449 parts per thousand), C(29)n-alkane (-241 parts per thousand) and C-20-C(30)n-fatty acids (-263 parts per thousand) showed more contemporary likely due to significant contribution from plant litter and biomass burning that contain more fresh biogenic material. Fossil character of C-27-C(31)n-alkanes (40%) and C-20-C(30)n-fatty acids (30%) could be from soil resuspension and/or loess deposits in upwind regions through long-range atmospheric transport.
Keywordatmospheric aerosols n-alkanes n-fatty acids compound-specific stable carbon isotopes radiocarbon isotopes
Subject AreaEnvironmental Sciences ; Meteorology & Atmospheric Sciences
DOI10.1088/1748-9326/ab8333
Indexed BySCI
Language英语
WOS KeywordPOLYCYCLIC AROMATIC-HYDROCARBONS ; FINE ORGANIC AEROSOL ; WESTERN NORTH PACIFIC ; N-ALKANES ; STABLE CARBON ; MOLECULAR TRACERS ; EMISSION FACTORS ; SOURCE APPORTIONMENT ; MARINE AEROSOLS ; AIR-POLLUTION
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS IDWOS:000545003500001
PublisherIOP PUBLISHING LTD
SubtypeArticle
Publication PlaceBRISTOL
Funding OrganizationNational Key R&D Program of China [2017YFC0212700] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41807303, 41625014] ; State Key Laboratory of Organic Geochemistry, GIGCAS [SKLOG-201747]
Corresponding Author Emailfupingqing@tju.edu.cn
OAGreen Published, gold
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21699
Collection植被与环境变化国家重点实验室
Affiliation1.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
2.Swiss Fed Inst Technol, Geol Inst, Dept Earth Sci, CH-8092 Zurich, Switzerland
3.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
4.Chubu Univ, Chubu Inst Adv Studies, Kasugai, Aichi 4878501, Japan
5.Swiss Fed Inst Technol, Dept Phys, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland
6.Chinese Acad Sci, Inst Atmospher Phys, LAPC, Beijing 100029, Peoples R China
7.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
8.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
9.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Protect & Resources Ut, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Ren, Lujie,Wang, Yiyun,Kawamura, Kimitaka,et al. Source forensics ofn-alkanes andn-fatty acids in urban aerosols using compound specific radiocarbon/stable carbon isotopic composition[J]. ENVIRONMENTAL RESEARCH LETTERS,2020,15(7).
APA Ren, Lujie.,Wang, Yiyun.,Kawamura, Kimitaka.,Bikkina, Srinivas.,Haghipour, Negar.,...&Fu, Pingqing.(2020).Source forensics ofn-alkanes andn-fatty acids in urban aerosols using compound specific radiocarbon/stable carbon isotopic composition.ENVIRONMENTAL RESEARCH LETTERS,15(7).
MLA Ren, Lujie,et al."Source forensics ofn-alkanes andn-fatty acids in urban aerosols using compound specific radiocarbon/stable carbon isotopic composition".ENVIRONMENTAL RESEARCH LETTERS 15.7(2020).
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