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Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbonsat a Heavily Trafficked Roadside Site
Cheng,Y(Cheng,Yan)[1,2,3]; Ho,KF(Ho,Kinfai)[4]; Wu,WJ(Wu,Wenjing)[1]; Ho,SSH(Ho,Steven Sai Hang)[2,5]; Lee,SC(Lee,Shuncheng)[3]; Huang,Y(Huang,Yu)[3]; Zhang,YW(Zhang,Yunwei)[1]; Yau,PS(Yau,Puishan)[3]; Gao,Y(Gao,Yuan)[3]; Chan,CS(Chan,Chising)[4]
2012
发表期刊Aerosol and Air Quality Research
卷号12页码:1181-1188
文章类型期刊论文
摘要A continuous photo-electric aerosol sensor (PAS) was used to characterize the particle-bound polycyclic aromatic hydrocarbons (p-PAHs) content at a heavily trafficked roadside site in Hong Kong. The measurements at the roadside station were performed for nine months from January to September 2005. For the total quantified p-PAHs, the PAS output shows good correlations to the data obtained with the offline quartz-fiber aerosol filter collection method. The average concentration of corrected p-PAHs was 5.3 ± 3.7 ng/m3, ranging from 0.2 to 22.0 ng/m3. The p-PAHs concentrations increased in the daytime in accordance with the heavy amount of road traffic, and decreased in the nighttime due to less traffic. Hourly pPAHs concentrations had high correlation coefficients with all goods vehicles (> 0.9) and large buses (~0.8), showing that diesel vehicle emissions are the primary source of p-PAHs. The day-to-day variation of p-PAHs is significant, because it was influenced by various factors (e.g., traffic levels, mixing height, and potential pollution sources).
关键词Polycyclic aromatic compound PAS Black carbon Roadside measurement
DOI10.4209/aaqr.2011.11.0223
收录类别SCI
语种英语
引用统计
被引频次:14[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/361006/10924
专题粉尘与环境研究室
通讯作者Lee,SC(Lee,Shuncheng)[3]
作者单位1.Department of Environmental Science and Technology, School of Human Settlements and Civil Engineering, Xi’anJiaotong University, No.28 Xianning West Road, Xi'an, Shaanxi, 710049, China;
2.SKLLQG, Institute of Earth and Environment, CAS, Xi’an, Shaanxi, 710075, China;
3.Department of Civil and Structural Engineering, Research Center for Environmental Technology and Management, TheHong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China;
4.School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China5 Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, USA
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Cheng,Y,Ho,KF,Wu,WJ,et al. Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbonsat a Heavily Trafficked Roadside Site[J]. Aerosol and Air Quality Research,2012,12:1181-1188.
APA Cheng,Y.,Ho,KF.,Wu,WJ.,Ho,SSH.,Lee,SC.,...&Chan,CS.(2012).Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbonsat a Heavily Trafficked Roadside Site.Aerosol and Air Quality Research,12,1181-1188.
MLA Cheng,Y,et al."Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbonsat a Heavily Trafficked Roadside Site".Aerosol and Air Quality Research 12(2012):1181-1188.
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