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NTIS 바로가기한국대기환경학회지 = Journal of Korean Society for Atmospheric Environment, v.31 no.3, 2015년, pp.287 - 301
박기형 (부산광역시 보건환경연구원) , 이병규 (울산대학교 건설환경공학부)
This study was conducted to investigate size distribution characteristics of water-soluble ionic components in the airborne particulate matter (PM) collected from an urban area in Busan using a MOUDI cascade impactor from March to October 2010. The inorganic constituents in the fine particles (
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핵심어 | 질문 | 논문에서 추출한 답변 |
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대기의 시정감소에 직접적인 영향을 주는 미세먼지의 입경 범위는? | 001~100 μm의 넓은 크기 범위로 존재하며, 입경에 따른 입자의 제반 물리 · 화학적 특성은 대기질 및 인체의 건강 측면에서 중요한 의미를 가진다. 특히 미세먼지 중에서 0.1~1.0 μm의 입경범위에 대한 기여율이 가장 크며, 이들 입경 범위는 대기의 시정감소에 직접적인 영향을 주기 때문에 환경적으로도 더욱 중요하다(Hu et al., 2004). | |
호흡성 먼지가 인체 내로 흡입되는 것의 문제는? | 공기역학적 직경이 4.0 μm 이하인 호흡성 먼지 (respirableparticle)는 인체 내로 흡입될 경우 폐포 깊숙이 침투하며, 유해성 가스, 중금속, PAHs 등을 쉽게 흡착하여 인체로 전달하는 매개체가 되기도 한다 (Simpson, 1992;John, et al., 1990). | |
연제구 연산동 소재 종합대기오염측정소의 특징은? | 시료 채취는 부산지역의 중심부에 해당하는 연제구 연산동 소재 종합대기오염측정소 (위도 35°18′N, 경도129°078′E)에서 실시하였다(그림 1). 이곳은 지리적으로 부산의 중심부에 해당하며, 주변은 아파트, 빌라, 주택 등 주거단지로 조성되어 있고 주변에 규모가 큰 대기오염물질 배출원은 존재하지 않는다. 또한 주변에는 5개 간선도로가 만나 차량이 집중되는 교차로가 위치하고 있다. 연제구의 대기오염 배출원은 2010년말 현재 총 21개소로 3종 1개소, 4종 12개소, 5종 8개소가 있었다. |
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