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Spatiotemporal distribution of carbonyl compounds in China
Ho,KF[1,2,3]; Ho,SSH(Ho,Steven Sai Hang)[3,4]; Huang,RJ[5,6]; Dai,WT[3]; Cao,JJ[3]; Tian,LW(Tian,Linwei)[1,2]; Deng,WJ[7]
2015-02
Source PublicationEnvironmental Pollution
Volume197Issue:2015Pages:316-324
Subtype期刊论文
Abstract

A sampling campaign was carried out at nine Chinese cities in 2010/2011. Fifteen monocarbonyls (C# ¼ 1 e9) were quantified. Temperature is the rate-determining factor of the summertime carbonyl levels. The carbonyl emissions in winter are mainly driven by the primary anthropogenic sources like automobile. A molar ratio of propionaldehyde to nonaldehyde is a barometer of the impact of atmospheric vegetation emission which suggesting that strong vegetation emissions exist in summer and high propionaldehyde abundance is caused by fossil fuel combustion in winter. Potential health risk assessment of formaldehyde and acetaldehyde was conducted and the highest cumulative risks were observed at Chengdu in summer and Wuhan in winter. Because of the strong photochemical reaction and large amount of anthropogenic emissions, high concentrations of carbonyl compounds were observed in Chengdu. The use of ethanol-blended gasoline in Wuhan is the key reason of acetaldehyde emission and action should be taken to avoid potential health risks.

KeywordCarbonyls China Spatiotemporal Distribution Vegetation Emission Propionaldehyde To Nonaldehyde Ratio C3/c9 Ratio Fossil Fuel Combustion
DOI10.1016/j.envpol.2014.11.014
Indexed BySCI
Language英语
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9523
Collection粉尘与环境研究室
Affiliation1.Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Shatin, Hong Kong, China;
2.Shenzhen Municipal Key Laboratory for Health Risk Analysis, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China;
3.SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
4.Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, United States;
5.Laboratory of Atmospheric Chemistry, Paul Scherrer Institute (PSI), Villigen 5232, Switzerland;
6.Centre for Climate and Air Pollution Studies, Ryan Institute, National University of Ireland Galway, University Road, Galway, Ireland;
7.Department of Science and Environmental Studies, The Hong Kong Institute of Education, Tai Po, Hong Kong, China
Recommended Citation
GB/T 7714
Ho,KF[1,2,3],Ho,SSH,Huang,RJ[5,6],et al. Spatiotemporal distribution of carbonyl compounds in China[J]. Environmental Pollution,2015,197(2015):316-324.
APA Ho,KF[1,2,3].,Ho,SSH.,Huang,RJ[5,6].,Dai,WT[3].,Cao,JJ[3].,...&Deng,WJ[7].(2015).Spatiotemporal distribution of carbonyl compounds in China.Environmental Pollution,197(2015),316-324.
MLA Ho,KF[1,2,3],et al."Spatiotemporal distribution of carbonyl compounds in China".Environmental Pollution 197.2015(2015):316-324.
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