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논문 기본 정보

자료유형
학술저널
저자정보
손세창 (전남대학교) 박승식 (전남대학교) 배민아 (아주대학교) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제36권 제5호
발행연도
2020.10
수록면
669 - 687 (19page)
DOI
10.5572/KOSAE.2020.36.5.669

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초록· 키워드

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In this study, pollution episodes of PM<SUB>2.5</SUB> observed between May 07 and June 07, 2019 at air monitoring stations located around large-scale stationary sources in Chungcheongnam-do province were examined. Furthermore, local and regional contributions of PM<SUB>2.5</SUB> measured during the pollution episodes were evaluated using Community Multiscale Air Quality (CMAQ) model. During the study period, two and three episodes were identified at stations around coal-fired power plants and a petrochemical complex (episodes I and II), and at stations around a steelworks and its downwind locations (episodes I, II, and III), respectively. Episode I occurred between May 15 and 17 was dominated by local pollution with very stable air conditions, and similar to the episode I, episode III (June 02~06) was also associated with stagnant weather pattern over the Korean Peninsula with some inflow of air pollutants from outside. On the contrary, episode II occurred between May 23 and 25 at all stations was strongly associated with long-range transportation of air pollutants from northern regions of China (e.g., Shanghai area). Average local and regional contributions of PM<SUB>2.5</SUB> over 9 stations estimated using CMAQ model were 60.6 and 39.4%, 25.7 and 74.3%, and 41.3 and 58.7% during episodes I, II, and III, respectively. However, respective local contribution of PM<SUB>2.5</SUB> observed at the station around a steelworks increased to 67.6, 40.0, and 56.2%, suggesting setting up effective reduction strategies of air pollutants such as SO₂, NO<SUP>x</SUP>, and primary PM<SUB>2.5</SUB> from the steelworks.

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Abstract
1. 서론
2. 연구방법
3. 결과 및 고찰
4. 요약 및 결론
References

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