아산 및 서울 일부 지역의 대기 중 PM10의 농도 및 금속원소 성분의 특성 연구
Charateristics of PM10 and Air-borne Metallic Elementsin Asan and Seoul
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Abstract
The purpose of this study was to characterize background mass concentration of PM10 and metallic composition from September 2001 to August 2002 in comparison with Asan and Seoul. Annual mean of PM10 concentrations in Asan and Seoul were 47.98 and 75.33 mg/m3, respectively. The concentrations of PM10 were highest in spring season in both cities. The concentrations of measured metals except for As and Pb in Asan were higher than those in Seoul. Yellow dust could affect the mass and metals concentrations of measured PM10 in Asan and Seoul. Relationship between measured metals concentrations showed that Si and Fe were associated with natural sources such as soil. Pb, Cu and Zn were closely related to urban anthropogenic sources such as fuel combustion. Especially, relationship between metals showed different association during yellow dust. Proper management for PM10 will need in Asan, considered the concentrations of metallic elements in PM10 in Asan were relatively higher than those in Seoul.
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