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논문 기본 정보

자료유형
학술저널
저자정보
차승환 (강원대학교) 한영지 (강원대학교) 배귀남 (한국과학기술연구원)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제36권 제4호
발행연도
2020.8
수록면
492 - 506 (15page)
DOI
10.5572/KOSAE.2020.36.4.492

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초록· 키워드

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Fine particulate matter (PM) is proven to be strongly linked to human health. Although the emissions of PM from anthropogenic sources are relatively low in Gangwon Province, the atmospheric concentrations of both PM<SUB>2.5</SUB> and PM<SUB>10</SUB> were reported to be very high. In this study, spatio-temporal distributions of PM<SUB>2.5</SUB> and PM<SUB>10</SUB> were identified based on the hourly concentrations obtained from national air pollution monitoring network. Gangwon Province can be divided into four regions with different weather and emission characteristics. All monitoring sites showed a decreasing trend in both PM<SUB>2.5</SUB> and PM<SUB>10</SUB> concentrations from 2015 to 2019. There were statistically higher concentrations of PM<SUB>2.5</SUB> and PM<SUB>10</SUB> in the western area than in the eastern area. The correlation of PM<SUB>2.5</SUB> between western and eastern regions was relatively low, indicating that the emissions and/or formation pathways affecting PM<SUB>2.5</SUB> were different in two regions. The difference between PM<SUB>2.5</SUB> in the western and eastern regions was large in winter and small in summer. This result possibly indicates that PM<SUB>2.5</SUB> in western area is likely to be affected by regional- or long-range transport of PM<SUB>2.5</SUB> or its precursors emitted from metropolitan and industrial areas of Korea and China when the westerly winds are predominant in winter. Similar diurnal patterns of PM<SUB>2.5</SUB> and PM<SUB>10</SUB> were shown at most monitoring sites; however, the morning and evening peaks due to traffic rush hour were observed in relatively large cities while the diurnal variation was relatively unclear in small cities.

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Abstract
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2. 자료의 이용 및 처리
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2020-539-001125424