IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
Characterization of ambient-generated exposure to fine particles using sulfate as a tracer in the Chinese megacity of Guangzhou
Chen, Xiao-Cui1,7; Jahn, Heiko J.2; Engling, Guenter3,4; Ward, Tony J.5; Kraemer, Alexander2; Ho, Kin-Fai1; Chan, Chuen-Yu6
2017-02-15
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume580Issue:2017Pages:347-357
SubtypeArticle
AbstractTotal personal exposures can differ from the concentrations measured at stationary ambient monitoring sites. To provide further insight into factors affecting exposure to particles, chemical tracers were used to separate total personal exposure into its ambient and non-ambient components. Simultaneous measurements of ambient and personal exposure to fine particles (PM2.5) were conducted in eight districts of Guangzhou, a megacity in South China, during the winter of 2011. Considerable significant correlations (Spearman's Rho, r(s)) between personal exposures and ambient concentrations of sulfate (SO42-; r(s)> 0.68) were found in contrast to elemental carbon (EC; r(s) > 037). The average fraction of personal SW to ambient SO42- resulting in an adjusted ambient exposure factor of cc = 0.72 and a slope of 0.73 was determined from linear regression analysis when there were minimal indoor sources of SO42-. From all data pooled across the districts, the estimated average ambient -generated and non-ambient -generated exposure to PM2.5 were 55.3 mu g/m(3) (SD = 23.4 mu g/m(3)) and 18.1 mu g/m(3) (SD = 29.1 mu g/m(3)), respectively. A significant association was found between ambient -generated exposure and ambient PM2.5 concentrations (Pearson's r = 0.51, p < 0.001). As expected, the non-ambient generated exposure was not related to the ambient concentrations. This study highlights the importance of both ambient and non-ambient components of total personal exposure in the megacity of Guangzhou. Our results support the use of SO42- as a tracer of personal exposure to PM2.5 of ambient origin in environmental and epidemiological studies. (C) 2016 Elsevier B.V. All rights reserved.
KeywordEnvironmental Monitoring Personal Exposure Fine Aerosol Particles (Pm2.5) So42- Ec
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.scitotenv.2016.10.241
WOS KeywordPARTICULATE AIR-POLLUTION ; PERSONAL PM2.5 EXPOSURE ; MATTER EPIDEMIOLOGY-EXPOSURE ; TEMPORAL VARIABILITY ; CHEMICAL-COMPONENTS ; ULTRAFINE PARTICLES ; MASS CONCENTRATIONS ; AIRBORNE PARTICLES ; ELEMENTAL CARBON ; DAILY MORTALITY
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000395353600034
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5517
Collection黄土与第四纪地质国家重点实验室(2010~)
Affiliation1.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Hong Kong, Hong Kong, Peoples R China
2.Univ Bielefeld, Sch Publ Hlth, Dept Publ Hlth Med, Bielefeld, Germany
3.Desert Res Inst, Div Atmospher Sci, Reno, NV USA
4.Natl Tsing Hua Univ, Dept Biomed Engn & Environm Sci, Hsinchu, Taiwan
5.Univ Montana, Sch Publ & Community Hlth Sci, Missoula, MT 59812 USA
6.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol, SKLLQG, Xian, Peoples R China
7.Chinese Univ Hong Kong, Inst Environm Energy & Sustainabil, Sha Tin, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Chen, Xiao-Cui,Jahn, Heiko J.,Engling, Guenter,et al. Characterization of ambient-generated exposure to fine particles using sulfate as a tracer in the Chinese megacity of Guangzhou[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,580(2017):347-357.
APA Chen, Xiao-Cui.,Jahn, Heiko J..,Engling, Guenter.,Ward, Tony J..,Kraemer, Alexander.,...&Chan, Chuen-Yu.(2017).Characterization of ambient-generated exposure to fine particles using sulfate as a tracer in the Chinese megacity of Guangzhou.SCIENCE OF THE TOTAL ENVIRONMENT,580(2017),347-357.
MLA Chen, Xiao-Cui,et al."Characterization of ambient-generated exposure to fine particles using sulfate as a tracer in the Chinese megacity of Guangzhou".SCIENCE OF THE TOTAL ENVIRONMENT 580.2017(2017):347-357.
Files in This Item:
File Name/Size DocType Version Access License
Characterization of (1167KB)期刊论文出版稿开放获取CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Chen, Xiao-Cui]'s Articles
[Jahn, Heiko J.]'s Articles
[Engling, Guenter]'s Articles
Baidu academic
Similar articles in Baidu academic
[Chen, Xiao-Cui]'s Articles
[Jahn, Heiko J.]'s Articles
[Engling, Guenter]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Chen, Xiao-Cui]'s Articles
[Jahn, Heiko J.]'s Articles
[Engling, Guenter]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.