포항 지역 대기에서 측정된 에어로졸 입자분포 특성 연구
A Characteristic Study of the Aerosol Size Distribution in Pohang Province
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Health effects caused by the ultrafine particles in ambient air are great concern to the public health, and the strict measuring and monitoring of the ambient aerosol are required. In this work, the characteristics of the aerosol size distribution in Pohang province are studied. Optical particle counters (Grimm APS 1108 and 1109) were used to measure the aerosol size distribution in the area. Locations near the national monitoring site located in the industrial and the residence area were selected for the measuring sites of this study, and the locations in border area between the industry and the residence were selected for the reference of the comparison. In the industry site, it is found that the concentration of aerosol particles near the size of 5㎛ appear characteristically and the fluctuations in concentration with respect to time are minimal. The mass concentration of the aerosol above 10 ㎛ in diameter in the industry area was found to fluctuate significantly. The mass portion of PM10 and PM2.5 to TSP in the residence area were 83% and 51% respectively. In the industrial regional, it was found that the mass portion of PM10 and PM2.5 to TSP were 76% and 35% respectively. In the boundary area the mass portion of PM10 and PM2.5 to TSP were 78% and 54% respectively.
Abstract
Health effects caused by the ultrafine particles in ambient air are great concern to the public health, and the strict measuring and monitoring of the ambient aerosol are required. In this work, the characteristics of the aerosol size distribution in Pohang province are studied. Optical particle counters (Grimm APS 1108 and 1109) were used to measure the aerosol size distribution in the area. Locations near the national monitoring site located in the industrial and the residence area were selected for the measuring sites of this study, and the locations in border area between the industry and the residence were selected for the reference of the comparison. In the industry site, it is found that the concentration of aerosol particles near the size of 5㎛ appear characteristically and the fluctuations in concentration with respect to time are minimal. The mass concentration of the aerosol above 10 ㎛ in diameter in the industry area was found to fluctuate significantly. The mass portion of PM10 and PM2.5 to TSP in the residence area were 83% and 51% respectively. In the industrial regional, it was found that the mass portion of PM10 and PM2.5 to TSP were 76% and 35% respectively. In the boundary area the mass portion of PM10 and PM2.5 to TSP were 78% and 54% respectively.
참고문헌 (12)
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