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자료유형
학술저널
저자정보
저널정보
대한환경위생공학회 환경위생공학 대한위생학회지 제18권 제4호
발행연도
2003.12
수록면
24 - 35 (12page)

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Recent epidemiologic studies revealed that the concentration of air pollutants and fine particulated matter have some effects on health status and are associated with increased mortality and morbidity. 'The purpose of this study was to characterize background mass concentration of fine particle (PM2.5) and metallic composition from September 2001 to August 2002 in comparison with a medium city, Asan and metropolitan city, Seoul. Conclusively, proper management for fine particles was required in a medium city, Asan, considering the concentrations of metallic elements in fine particles in Asan were relatively higher than those in Seoul. The results were as followed.

1. Average mass concentrations of fine particles in Asan and Seoul were 37.70Ct18.41 ttg/m') and 5.83(:t38.50) ttg/m', respectively. When the weather conditions were classified as normal and yellow-sand, measured average mass concentrations of fine particles in yellow-sand weather condition was significantly higher than those of normal weather condition in both cities (p<O.05).

2. Depending on seasons, measured average mass concentrations of fine particles in Asan and Seoul in spring were 47.76(:t19.07) ttg/m'm and 61.53 (:t4.37) ttg/m', respectively. In summer, the average mass concentrations of fine particles in Asan and Seoul were 29.44(:t9.85) ttg/ m' and 25.42(:t8.l0) ttg/m'. respectively. Especially, the concentration was the highest in spring and the lowest in summer among four seasons.

3. Average concentrations of manganese(Mn), iron(Fe), chromium(Cr), cadmium(Cd), lead(Pb) and silicon(Si) in fine particles in Asan were significantly higher in Seoul (p<O.05). Average concentration of Si in fine particle in Asan was statistically higher than that of Seoul during yellow -sand condition (p<0.05).
4. Considering the characterization of four seasons, average Pb concentration of fine particle in Asan is significantly higher than that of Seoul in spring(p<O.OI). In summer, average IVln and Cr concentrdtions of fine particle in Asan is higher than those of Seoul (p<O.05). Average 1Vln, Fe. Cr and Si concentrations in fall (p<O.05), and average Mn, Fe, Cr, Pb, and Si concentrations in winter (p<O.05) in Asan were higher than those of Seoul, respectively.
5. Mass concentrations of each 1Vln, Fe, Cd and Si in fine particles were significantly cOITelated with both cities. In nomal weather condition, 1Vln, Cu and Si concentrations are statistically significant in Asan, while 1Vln, Fe, Cu and Si concentrations are statistically significant in Seoul. Mn, Fe and Si concentrdtions in both cities were statistically significant during yellow-sand weather.

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Abstract

Ⅰ. 서론

Ⅱ. 연구방법

Ⅲ. 연구결과 및 고찰

Ⅳ. 결론

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UCI(KEPA) : I410-ECN-0101-2009-517-014302824