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Measurement report: quantifying source contribution of fossil fuels and biomass-burning black carbon aerosol in the southeastern margin of the Tibetan Plateau
Liu, Huikun1,2,3; Wang, Qiyuan1,2,3,4; Xing, Li5; Zhang, Yong2; Zhang, Ting2; Ran, Weikang2; Cao, Junji1,2,3,4
Corresponding AuthorWang, Qiyuan(wangqy@ieecas.cn) ; Cao, Junji(cao@loess.llqg.ac.cn)
2021-01-26
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
Volume21Issue:2Pages:973-987
AbstractAnthropogenic emissions of black carbon (BC) aerosol are transported from Southeast Asia to the southwestern Tibetan Plateau (TP) during the pre-monsoon; however, the quantities of BC from different anthropogenic sources and the transport mechanisms are still not well constrained because there have been no high-time-resolution BC source apportionments. Intensive measurements were taken in a transport channel for pollutants from Southeast Asia to the southeastern margin of the TP during the premonsoon to investigate the influences of fossil fuels and biomass burning on BC. A receptor model that coupled multi-wavelength absorption with aerosol species concentrations was used to retrieve site-specific Angstrom exponents (AAEs) and mass absorption cross sections (MACS) for BC. An "aethalometer model" that used those values showed that biomass burning had a larger contribution to BC mass than fossil fuels (BCbiomass = 57 % versus BCfossil = 43 %). The potential source contribution function indicated that BCbiomass was transported to the site from northeastern India and northern Burma. The Weather Research and Forecasting model coupled with chemistry (WRF-Chem) indicated that 40 % of BCbiomass originated from Southeast Asia, while the high BCfossil was transported from the southwest of the sampling site. A radiative transfer model indicated that the average atmospheric direct radiative effect (DRE) of BC was +4.6 +/- 2.4 W m(-2), with +2.5 +/- 1.8 W m(-2) from BCbiomass and +2.1 +/- 0.9 W m(-2 )from BCfossil. The DRE of BCbiomass and BCfossil produced heating rates of 0.07 +/- 0.05 and 0.06 +/- 0.02 K d(-1), respectively. This study provides insights into sources of BC over a transport channel to the southeastern TP and the influence of the cross-border transportation of biomass-burning emissions from Southeast Asia during the pre-monsoon.
DOI10.5194/acp-21-973-2021
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41877391] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0602] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB40000000] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2019402]
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
Funding OrganizationNational Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of Chinese Academy of Sciences ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000613896300001
PublisherCOPERNICUS GESELLSCHAFT MBH
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16005
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 AuthorWang, Qiyuan; Cao, Junji
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
5.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Peoples R China
Recommended Citation
GB/T 7714
Liu, Huikun,Wang, Qiyuan,Xing, Li,et al. Measurement report: quantifying source contribution of fossil fuels and biomass-burning black carbon aerosol in the southeastern margin of the Tibetan Plateau[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2021,21(2):973-987.
APA Liu, Huikun.,Wang, Qiyuan.,Xing, Li.,Zhang, Yong.,Zhang, Ting.,...&Cao, Junji.(2021).Measurement report: quantifying source contribution of fossil fuels and biomass-burning black carbon aerosol in the southeastern margin of the Tibetan Plateau.ATMOSPHERIC CHEMISTRY AND PHYSICS,21(2),973-987.
MLA Liu, Huikun,et al."Measurement report: quantifying source contribution of fossil fuels and biomass-burning black carbon aerosol in the southeastern margin of the Tibetan Plateau".ATMOSPHERIC CHEMISTRY AND PHYSICS 21.2(2021):973-987.
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