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A Survey of Particulate Matters and CO2 Levels in Seoul Subway Carriages
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 Title & Authors
A Survey of Particulate Matters and CO2 Levels in Seoul Subway Carriages
Lee, Choel-Min; Park, Wha-Me; Roh, Young-Man; Kim, Yoon-Shin; Park, Dong-Sun;
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The objective of this study is to provide the research data on the actual concentrations of in Seoul subway carriages. Mean concentrations of in subway carriages were investigated at levels of , respectively. The mean concentrations in subway carriages were higher when the train ran on an underground track rather than on an above ground track. The measured concentration of particulate matter varied with the time of day and was highest in the morning, followed by noon and evening while the concentration was highest in the morning, followed by evening and noon. In relation to correlation among the pollutants: the correlation between was 0.92, and that between was 0.94. The inclusion rate of was and that of . In addition, the concentration had a positive relation with the number of people in a carriage, whereas the concentration of had negative correlation to the number of people. In relation to these two pollutants we calculated using a regression equation (34.06+0.04(ppm)-0.09 PM10(
subway carriage;
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환경위생공학, 2009. vol.24. 4, pp.60-68
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한국환경보건학회지, 2009. vol.35. 6, pp.454-460 crossref(new window)
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