Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbons at a Heavily Trafficked Roadside Site
Cheng, Y (Cheng, Yan)[ 1,2,3 ]; Ho, KF (Ho, Kin Fai)[ 4 ]; Wu, WJ (Wu, Wen Jing)[ 1 ]; Ho, SSH (Ho, Steven Sai Hang)[ 2,5 ]; Lee, SC (Lee, Shun Cheng)[ 3 ]; Huang, Y (Huang, Yu)[ 3 ]; Zhang, YW (Zhang, Yun Wei)[ 1 ]; Yau, PS (Yau, Pui Shan)[ 3 ]; Gao, Y (Gao, Yuan)[ 3 ]; Chan, CS (Chan, Chi Sing)[ 4 ]
2012-12-30
发表期刊AEROSOL AND AIR QUALITY RESEARCH
卷号12期号:6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/m(3), ranging from 0.2 to 22.0 ng/m(3). 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 p-PAHs concentrations had high correlation coefficients with all goods vehicles (>0.9) and large buses (similar to 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SCIE ; EI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10138
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Lee, SC (Lee, Shun Cheng)[ 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, China;
5.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 Hydrocarbons at a Heavily Trafficked Roadside Site[J]. AEROSOL AND AIR QUALITY RESEARCH,2012,12(6):1181-1188.
APA Cheng, Y .,Ho, KF .,Wu, WJ .,Ho, SSH .,Lee, SC .,...&Chan, CS .(2012).Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbons at a Heavily Trafficked Roadside Site.AEROSOL AND AIR QUALITY RESEARCH,12(6),1181-1188.
MLA Cheng, Y ,et al."Real-Time Characterization of Particle-Bound Polycyclic Aromatic Hydrocarbons at a Heavily Trafficked Roadside Site".AEROSOL AND AIR QUALITY RESEARCH 12.6(2012):1181-1188.
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