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Effects of day-of-week trends and vehicle types on PM2.5-boundedcarbonaceous compositions
Pongpiachan,S(Pongpiachan,Siwatt)[1,2]; Kositanont,C( Kositanont,Charnwit)[3]; Palakun,J(Palakun,Jittree)[4]; Liu,SX(Liu,Suixin)[2]; Ho,KF(Ho,Kinfai)[2]; Cao,JJ(Cao,Junji)[2]
2015-07-19
发表期刊Science of the Total Environment
卷号532期号:2015页码:484-494
文章类型期刊论文
摘要

Carbonaceous compositions of PM2.5 were measured in the heart of Bangkok from 17th November 2010 to 19th January 2012, and a data set of 94 samples was constructed. Effects of day-of-week trends and vehicle types on PM2.5-bound TC, OC, and EC were carefully investigated. In this study, OC was the most important contributor to the total PM2.5 mass concentration. The average PM2.5-bound OC content measured at CHAOS (18.8 ± 9.18 μg m−3) was approximately 11 times higher than at Chaumont, Switzerland (1.7 μg m−3), but approximately five times lower than at Xi'an, China (93.0 μg m−3). The application of diagnostic binary ratios of OC/EC and estimations of secondary organic carbon (SOC) coupled with autocorrelation plots (Box and Jenkins) highlight the enhanced impacts of traffic emissions, especially from diesel vehicles, on PM2.5-bound carbonaceous compositions on weekdays relative to weekends. Hierarchical cluster analysis (HCA) coupled with principal component analysis (PCA) underline the importance of diesel emissions as the primary contributors of carbonaceous aerosols, particularly during weekdays.

关键词Carbonaceous Compositions Vehicle Types Bangkok Day-of-week Trends
DOI10.1016/j.scitotenv.2015.06.046
收录类别SCI
语种英语
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9456
专题粉尘与环境研究室
作者单位1.NIDA Center for Research & Development of Disaster Prevention & Management, School of Social and Environmental Development, National Institute of Development Administration (NIDA), 118Moo 3, Sereethai Road, Klong-Chan, Bangkapi, Bangkok 10240, Thailand;
2.SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences (IEECAS), Xi'an 710075, China;
3.Department of Microbiology, Faculty of Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
4.Faculty of Education, Valaya Alongkorn Rajabhat University under the Royal Patronage (VRU), No.1 Moo 20, Phaholyothin Road, Klong luang, Pathumthani 13180, Thailand
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Pongpiachan,S,Kositanont,C,Palakun,J,et al. Effects of day-of-week trends and vehicle types on PM2.5-boundedcarbonaceous compositions[J]. Science of the Total Environment,2015,532(2015):484-494.
APA Pongpiachan,S,Kositanont,C,Palakun,J,Liu,SX,Ho,KF,&Cao,JJ.(2015).Effects of day-of-week trends and vehicle types on PM2.5-boundedcarbonaceous compositions.Science of the Total Environment,532(2015),484-494.
MLA Pongpiachan,S,et al."Effects of day-of-week trends and vehicle types on PM2.5-boundedcarbonaceous compositions".Science of the Total Environment 532.2015(2015):484-494.
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