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KMID : 1024520180270070577
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Journal of the Environmental Sciences
2018 Volume.27 No. 7 p.577 ~ p.586
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Characteristics of Fine Particles at Roadside and Urban Residential Locations in Busan
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Jeon Byung-Il
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Abstract
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This research investigated the characteristics of PM10 and PM2.5 concentration at roadside (Choryangdong) and residential (Sujeongdong) locations in Busan. The PM10 concentration at roadside and residential locations were 50.5 and 42.9 /m3, respectively, and PM2.5 at roadside and residential were 28.1 and 23.9 /m3, respectively. The roadside/residential ratio of PM10 and PM2.5 concentration were 1.18, and the PM2.5/PM10 ratio at roadside and residential were 0.55 and 0.56, respectively. The PM10 concentration in spring at roadside were 64.6 /m3, and were the highest, followed by 48.0 /m3 and 45.2 /m3 in winter and summer. Number of exceedances per year of the daily limit value for PM10 at roadside and residential were 66 and 39 days, respectively. The PM10 and PM2.5 concentration, and PM2.5/PM10 ratio at roadside were 53.0 /m3, 29.0 /m3 and 0.55 for day, and 45.5 /m3, 26.7 /m3 and 0.59 for night, respectively. These results indicate that understanding the relationship between roadside and residential could provide insight into establishing a strategy to control urban air quality.
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KEYWORD
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Roadside, Residential, PM10 and PM2.5 concentration
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