도로변 초미세먼지의 실시간 질량농도 및 부피농도 측정을 이용한 시간별 밀도 분석-광흡수 eBC에 대한 OPS 보정 중심

다국어 초록 (Multilingual Abstract)

This study investigated the effective density of ambient fine particulate matter (PM<SUB>2.5</SUB>) and from July 28 to August 7 of 2018 at the road side in Seoul. Beta-ray Attenucation Monitor (BAM), Scanning Mobility Particle Sizer (SMPS), Optical Particle Sizer (OPS), and Muliti Angle Absorption Photometers (MAAP) have been utilized for PM<SUB>2.5</SUB> mass and PM<SUB>2.5</SUB> volume concentrations. The equivalent Black Carbon (eBC) from MAAP has been reconstructed to PM<SUB>0.3-2.5</SUB> eBC volume concentrations from mass absorption cross-section (MAC) compared to thermal elemental carbon. The six-hour average of effective density was ranged from 1.06 to 1.79 g/cm³. The diurnal variation of effective density was pronounced for the source impact related to PM chemical components. The overall average of density has been determined as 1.27 g/cm³ in this study. This study provides insight into the physical and chemical aspects of atmospheric particulate matter related to sources and design of control system.

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