Spatial Distribution of Traffic Air Pollution and Evaluation of Transport Vehicle Emission Dispersion in Ambient Air in Urban Areas(<Special Issue>Urban Air and Environment Control Technologies)
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概要
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Vertical distribution of traffic-related pollutants inside an open street-canyon were observed in Suzhou, P. R. China, in 2005. The aim was to explore transfer and diffusion characteristics of vehicular exhaust emissions, as well as monitoring constraints associated with street canyons, courtyards and enclosed spaces. Vertical wind speed was found to strongly affect the fluctuation of all the pollutants. Daily average concentrations of NO_x, NO_2 and NO, as well as NO_2/NO_x, ratio, were found to vary significantly alongside the vertical, proportionate to different average daily trends. Oxidation processes and photochemical activity are discussed to explain these phenomena. Daily CO trends were found to track closely with both NO_x and Benzene, while the corresponding ratios were different relative to other published works. Different emission factors and driving conditions, as well as other emission sources types (especially for Benzene) are used to explain this point.
- 一般社団法人日本機械学会の論文
- 2006-02-15
著者
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COSTABILE Francesca
Institute for Atmospheric Pollution, Italian National Research Council
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Liu Fenglei
Environmental Monitoring And Research Center
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Hong Weimin
Environmental Monitoring And Research Center
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Allegrini Ivo
Institute For Atmospheric Pollution Italian National Research Council
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WANG Fenjuan
Institute for Atmospheric Pollution, Italian National Research Council
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Wang Fenjuan
Institute For Atmospheric Pollution Italian National Research Council
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Costabile Francesca
Institute For Atmospheric Pollution Italian National Research Council
関連論文
- Representativeness of Urban Highest Polluted Zones for Sitting Traffic-Oriented Air Monitoring Stations in a Chinese City(Urban Air and Environment Control Technologies)
- Spatial Distribution of Traffic Air Pollution and Evaluation of Transport Vehicle Emission Dispersion in Ambient Air in Urban Areas(Urban Air and Environment Control Technologies)