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Concentrations and stable carbon isotope compositions of oxalic acid and related SOA in Beijing before, during, and after the 2014 APEC
Wang, Jiayuan1,3; Wang, Gehui1,2,3,4; Gao, Jian5,6; Wang, Han5,6; Ren, Yanqin1,3; Li, Jianjun1; Zhou, Bianhong1; Wu, Can1,3; Zhang, Lu1,3; Wang, Shulan5,6; Chai, Fahe5,6
2017-01-23
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
Volume17Issue:2Pages:981-992
SubtypeArticle
AbstractTo ensure good air quality for the 2014 AsiaPacific Economic Cooperation (APEC) summit, stringent emission controls were implemented in Beijing and its surrounding regions, leading to a significant reduction in PM2.5 loadings. To investigate the impact of the emission controls on aerosol chemistry, high-volume PM2.5 samples were collected in Beijing from 8 October to 24 November 2014 and determined for secondary inorganic aerosols (SIA, i.e., SO42-, NO3-, and NH4+), dicarboxylic acids, keto-carboxylic acid, and alpha-dicarbonyls, as well as stable carbon isotope composition of oxalic acid (C-2). Our results showed that SIA, C-2, and related secondary organic aerosols in PM2.5 during APEC were 2-4 times lower than those before APEC, which is firstly ascribed to the strict emission control measures and secondly attributed to the relatively colder and drier conditions during the event that are unfavorable for secondary aerosol production.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/acp-17-981-2017
WOS KeywordSECONDARY ORGANIC AEROSOL ; FINE PARTICULATE MATTER ; DICARBOXYLIC-ACIDS ; KETOCARBOXYLIC ACIDS ; ATMOSPHERIC PARTICLES ; FORMATION MECHANISMS ; CHINA IMPLICATIONS ; ALPHA-DICARBONYLS ; EMISSION CONTROLS ; URBAN ATMOSPHERE
Indexed BySCI
Language英语
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000394595300002
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5527
Collection粉尘与环境研究室
Affiliation1.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710079, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China
5.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100084, Peoples R China
6.Collaborat Innovat Ctr Atmospher Environm & Equip, Nanjing 210000, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jiayuan,Wang, Gehui,Gao, Jian,et al. Concentrations and stable carbon isotope compositions of oxalic acid and related SOA in Beijing before, during, and after the 2014 APEC[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2017,17(2):981-992.
APA Wang, Jiayuan.,Wang, Gehui.,Gao, Jian.,Wang, Han.,Ren, Yanqin.,...&Chai, Fahe.(2017).Concentrations and stable carbon isotope compositions of oxalic acid and related SOA in Beijing before, during, and after the 2014 APEC.ATMOSPHERIC CHEMISTRY AND PHYSICS,17(2),981-992.
MLA Wang, Jiayuan,et al."Concentrations and stable carbon isotope compositions of oxalic acid and related SOA in Beijing before, during, and after the 2014 APEC".ATMOSPHERIC CHEMISTRY AND PHYSICS 17.2(2017):981-992.
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