Evidence of Rural and Suburban Sources of Urban Haze Formation in China: A Case Study From the Pearl River Delta Region

doi:10.1029/2017JD027952

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室 > 近岸生态与环境实验室

	Evidence of Rural and Suburban Sources of Urban Haze Formation in China: A Case Study From the Pearl River Delta Region
	Liu, Junwen ; Ding, Ping ; Zong, Zheng ; Li, Jun ; Tian, Chongguo ; Chen, Weihua ; Chang, Ming ; Salazar, Gary ; Shen, Chengde ; Cheng, Zhineng
刊名	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
	2018-05-16
卷号	123 期号:9 页码:4712-4726
关键词	air pollution organic carbon elemental carbon radiocarbon
ISSN号	2169-897X
DOI	10.1029/2017JD027952
产权排序	[Liu, Junwen ; Ding, Ping ; Li, Jun ; Shen, Chengde ; Cheng, Zhineng ; Zhang, Gan] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Guangdong, Peoples R China ; [Liu, Junwen ; Ding, Ping ; Li, Jun ; Shen, Chengde ; Cheng, Zhineng ; Zhang, Gan] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Guangdong, Peoples R China ; [Liu, Junwen ; Salazar, Gary ; Szidat, Soenke] Univ Bern, Dept Chem & Biochem, Bern, Switzerland ; [Liu, Junwen ; Salazar, Gary ; Szidat, Soenke] Univ Bern, Oeschger Ctr Climate Change Res, Bern, Switzerland ; [Liu, Junwen ; Chang, Ming ; Wang, Xuemei] Jinan Univ, Inst Environm & Climate Res, Guangzhou, Guangdong, Peoples R China ; [Zong, Zheng ; Tian, Chongguo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China ; [Chen, Weihua] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou, Guangdong, Peoples R China ; [Chen, Yingjun] Tongji Univ, Coll Environm Sci & Engn, Shanghai, Peoples R China
文献子类	Article
英文摘要	Although particulate matter (PM)-driven haze is a common phenomenon in many Chinese cities, studies on the sources of its key components, such as organic carbon (OC) and elemental carbon (EC), are poorly constrained. In this study, PM with aerodynamic diameters less than 10 (PM10), 2.5 (PM2.5), and 1m (PM1) were collected at an urban site in the core city of the Pearl River Delta region in summer 2013. The average PM10, PM2.5, and PM1 mass concentrations were 10928.4, 57.715.0, and 50.913.2g/m(3), respectively. A PM-driven haze bloom-decay process was observed from 9 to 14 July and studied based on radiocarbon (C-14) and stable nitrogen isotope (N-15). The C-14 results revealed that 87% of EC and 53% of OC in PM2.5 were derived from fossil sources on a typical summer day (9 July), while these values fell to 79% and 40% on 12 July and 76% and 29% on 13 July, respectively, due to the invasion of nonfossil-enriched air masses from rural/suburban areas. In addition, a N-15-derived model showed that nonfossil sources contributed 5% of NH3 on 9 July, which increased to about 80% on 12 and 13 July. However, the N-15-NO3- values were relatively stable, probably because of the large area of overlap in N-15-NOx from biomass burning and traffic exhaust. To our knowledge, this work is the first study to report both daily C-14 and N-15 signals in China and identify nonfossil sources from rural/suburban areas as triggers of summer haze.
WOS关键词	BIOMASS BURNING CONTRIBUTION ; ATMOSPHERIC AMMONIA SOURCES ; RESOLVED AEROSOL AMMONIUM ; BLACK CARBON AEROSOLS ; NON-FOSSIL SOURCES ; SOURCE APPORTIONMENT ; ORGANIC-CARBON ; ISOTOPIC COMPOSITION ; SEASONAL-VARIATIONS ; ELEMENTAL CARBON
WOS研究方向	Meteorology & Atmospheric Sciences
语种	英语
WOS记录号	WOS:000434132400019
资助机构	Natural Science Foundation of China [41430645, 41473101, 41603096, 91644215] ; Guangzhou Science and Technology Program Key Projects [201504010002] ; State Key Laboratory of Organic Geochemistry [SKLOGA201603A]
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/24462]
专题	烟台海岸带研究所_近岸生态与环境实验室烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
作者单位	1.Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou, Guangdong, Peoples R China; 2.Tongji Univ, Coll Environm Sci & Engn, Shanghai, Peoples R China 3.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou, Guangdong, Peoples R China; 4.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou, Guangdong, Peoples R China; 5.Jinan Univ, Inst Environm & Climate Res, Guangzhou, Guangdong, Peoples R China; 6.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China; 7.Univ Bern, Oeschger Ctr Climate Change Res, Bern, Switzerland; 8.Univ Bern, Dept Chem & Biochem, Bern, Switzerland;
推荐引用方式 GB/T 7714	Liu, Junwen,Ding, Ping,Zong, Zheng,et al. Evidence of Rural and Suburban Sources of Urban Haze Formation in China: A Case Study From the Pearl River Delta Region[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2018,123(9):4712-4726.
APA	Liu, Junwen.,Ding, Ping.,Zong, Zheng.,Li, Jun.,Tian, Chongguo.,...&Zhang, Gan.(2018).Evidence of Rural and Suburban Sources of Urban Haze Formation in China: A Case Study From the Pearl River Delta Region.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,123(9),4712-4726.
MLA	Liu, Junwen,et al."Evidence of Rural and Suburban Sources of Urban Haze Formation in China: A Case Study From the Pearl River Delta Region".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 123.9(2018):4712-4726.