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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 |
DOI | 10.4209/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 |
推荐引用方式 GB/T 7714 | 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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