Assessment of personal exposure to PM for multiple transportation modes

Liu Yonghong; Zhong Hui; Liu KuiGao H. OliverHe LejianXu RuiDing HuiHuang Wei

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Assessment of personal exposure to PM for multiple transportation modes

机译：Assessment of personal exposure to PM for multiple transportation modes

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Travelers are severely exposed to traffic-related particulate matter (PM). To assess the personal exposure to PM for multiple transportation modes, we conducted a study on particle concentrations, size fractions, and inhalation doses in Guangzhou, China. PM concentrations and inhalation doses showed the following trend: shared bikes buses cars subways. PM0.25-1 concentrations in subway accounted for 56-63 of all size fractions, while PM2.5-10 dominated PM0.25-2.5 in other modes. The highest particle counts were observed in the size range of 0.25-0.5 mu m. PM concentrations on weekends were higher than those on weekdays. Peak concentrations were usually recorded in the morning on weekends but in the evening during weekdays. Females had higher exposure risks than males for the same distance covered using shared bikes due to longer travel duration. These results can provide theoretical guides for travelers to reduce personal exposure and health risks associated with PM.

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《Transportation research, Part D. Transport and environment》 |2021年第12期|103086.1-103086.12|共12页
作者
Liu Yonghong; Zhong Hui; Liu KuiGao H. OliverHe LejianXu RuiDing HuiHuang Wei;
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作者单位

Sun Yat Sen Univ, Sch Intelligent Syst Engn, Guangzhou 510006, Peoples R China|Guangdong Prov Engn Res Ctr Traff Environm Monito, Guangzhou 510006, Peoples R China|Guangdong Prov Key Lab Intelligent Transportat Sy, Guangzhou 510006, Peoples R China;

Cornell Univ, Sch Civil & Environm Engn, 468 Hollister Hall, Ithaca, NY 14853 USA;

Sun Yat Sen Univ, Sch Intelligent Syst Engn, Guangzhou 510006, Peoples R China|Guangdong Prov Key Lab Intelligent Transportat Sy, Guangzhou 510006, Peoples R China;

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正文语种英语
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关键词
Personal exposure; Particulate matter; Multiple transportation modes; Particle size fractions;

Assessment of personal exposure to PM for multiple transportation modes

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