Source and formation characteristics of water-soluble organic carbon in the anthropogenic-influenced Yellow River Delta, North China
Zong, Z; Wang, XP; Tian, CG; Chen, YJ; Han, GX; Li, J; Zhang, G; Tian, CG (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China.; Chen, YJ (reprint author), Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, Shanghai 200092, Peoples R China. Email:cgtian@yic.ac.cn; yjchentj@tongji.edu.cn
2016-11-01
发表期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
卷号144页码:124-132
产权排序[Zong, Zheng; Tian, Chongguo; Han, Guangxuan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China; [Wang, Xiaoping; Li, Jun; Zhang, Gan] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Chen, Yingjun] Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, Shanghai 200092, Peoples R China; [Zong, Zheng] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
摘要High intensity measurement of water-soluble organic carbon (WSOC) in PM2.5 was conducted at Yellow River Delta (YRD), North China, from 29 May to 1 July 2013. On average, concentration of WSOC was 3.09 +/- 2.45 mu g m(-3) with a relative high WSOC/OC mass ratio (56.39%), implying organic aerosol in YRD was aged. WSOC concentration in day time was obviously higher than night time, which was mainly attributed to the decrease of source emission. While secondary formation of WSOC was strengthen in night time under stable atmospheric condition. The significant relationship between WSOC and SOC indicated WSOC was mostly secondary formation product. Furthermore, WSOC formation was enhanced at high level of acidity, providing direct evidence for the great impact of aerosol acidity on WSOC formation. WSOC correlated well with nss-K+, nss-SO42-, NO3-, Zn and Cu, suggesting a major part of observed WSOC and/or its precursors was of biomass burning and fossil fuel combustion origin. Moreover, vehicle emission may make great proportion in the fossil fuel combustion. Conditional probability function (CPF) analysis showed significant contribution of WSOC occurred when wind came from southerly (135-195 degrees) and northwesterly (285, 345 degrees) directions. In order to further confirm the source of WSOC, two merged samples representing the two directions were selected for radiocarbon (C-14) measurement. C-14 results demonstrated the average value of f(c)(WSOC) was 0.57 +/- 0.01, implying biogenic and biomass burning (B&B) was the major source of WSOC. However, fossil fuel contribution could not be ignored in North China in summer. (C) 2016 Elsevier Ltd. All rights reserved.
关键词Wsoc Aerosol Acidity Source Apportionment C-14 Measurement
作者部门中科院海岸带环境过程与生态修复重点实验室
DOI10.1016/j.atmosenv.2016.08.078
项目资助者Natural Scientific Foundation of China(41471413) ; CAS Strategic Priority Research Program(XDA11020402 ; XDB05030303 ; XDB05040503)
收录类别SCI
关键词[WOS]ATMOSPHERIC HEAVY-METALS ; FINE PARTICULATE MATTER ; SOURCE APPORTIONMENT ; BACKGROUND SITE ; BOHAI RIM ; SEASONAL-VARIATIONS ; OPTICAL-PROPERTIES ; HAZE POLLUTION ; SOUTH CHINA ; AEROSOLS
文章类型Article
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000385326100013
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17460
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Tian, CG (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China.; Chen, YJ (reprint author), Tongji Univ, Coll Environm Sci & Engn, Key Lab Cities Mitigat & Adaptat Climate Change S, Shanghai 200092, Peoples R China. Email:cgtian@yic.ac.cn; yjchentj@tongji.edu.cn
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Zong, Z,Wang, XP,Tian, CG,et al. Source and formation characteristics of water-soluble organic carbon in the anthropogenic-influenced Yellow River Delta, North China[J]. ATMOSPHERIC ENVIRONMENT,2016,144:124-132.
APA Zong, Z.,Wang, XP.,Tian, CG.,Chen, YJ.,Han, GX.,...&yjchentj@tongji.edu.cn.(2016).Source and formation characteristics of water-soluble organic carbon in the anthropogenic-influenced Yellow River Delta, North China.ATMOSPHERIC ENVIRONMENT,144,124-132.
MLA Zong, Z,et al."Source and formation characteristics of water-soluble organic carbon in the anthropogenic-influenced Yellow River Delta, North China".ATMOSPHERIC ENVIRONMENT 144(2016):124-132.
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