Analysis of Pollutant Exposure of Pedestrian in Urban Street |
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Authors: | Shuang LIU Jinyi GUO Haibo CHEN |
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Affiliation: | aMOE Key Laboratory for Urban Transportation Complex Systems Theory & Technology, Beijing Jiaotong University, Beijing 100044, China;bDepartment of Electrical Engineering, Hong Kong Polytechnic University, Hong Kong 999077, China;cChina Academy of Transportation Science, Ministry of Transport of the People's Republic of China, Beijing 100029, China;dInstitute for Transport Studies, University of Leeds, LS2 9JT, UK |
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Abstract: | As an important place of pedestrian activities, the air quality of urban street is closely related to the human health, and the effects of air pollutants on human health have a close contact with the actual level of exposure. According to the concept of exposure, the paper analyzes the process of the exhaust pollutants from vehicles to pedestrians and the influencing factors under the urban traffic environment, and compares the research method of the pollutants exposure at home and abroad. Combined with the distribution characteristics of pollutants concentration and the peak feature of traffic flow in urban street, the paper also discusses the level of pollutant exposure of pedestrian in different time on the basis of the data of pollutant emission in Leeds City. |
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Keywords: | urban traffic urban street pedestrian vehicle emission pollutant exposure |
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