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논문 기본 정보

자료유형
학술저널
저자정보
강윤희 (아주대학교) 유승희 (아주대학교) 손규원 (아주대학교) 김은혜 (아주대학교) 배민아 (아주대학교) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제37권 제3호
발행연도
2021.6
수록면
487 - 511 (25page)
DOI
10.5572/KOSAE.2021.37.3.487

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초록· 키워드

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The annual mean PM<SUB>2.5</SUB> concentration in Ulsan, the largest industrial city in South Korea, still does not meet the national ambient air quality standard (15 μg/㎥) while the PM<SUB>2.5</SUB> concentrations have recently shown a decreasing trend. In this study, we identified the major contributors to PM<SUB>2.5</SUB> concentrations in Ulsan for the year of 2016 using the Comprehensive Air quality Model with eXtensions with Particulate Source Apportionment Technology (CAMx-PSAT). The foreign and domestic contributions to the annual PM<SUB>2.5</SUB> concentration in Ulsan were 11.3 μg/㎥, 11.6 μg/㎥, respectively. The average of selfcontribution was 6.8 μg/㎥ in Ulsan, while Nam-gu where the Ulsan·Mipo national industrial complex are located had the highest self-contribution (13.0 μg/㎥, 75% of domestic contributions) among five local authorities in Ulsan. The contributions of Gyeongbuk, one of the neighboring provinces, to the annual mean PM2.5 in Ulsan was the highest (1.4 μg/㎥) for the year, followed by Gyeongnam (0.6 μg/㎥), Chungnam (0.5 μg/㎥), Busan (0.4 μg/㎥), and Daegu (0.2 μg/㎥). It was confirmed that the contributions were affected by prevailing winds in and around Ulsan. During the warm season (April to July), the selfcontribution was 2.5 times higher than the neighboring provincial contribution even though the PM2.5 contributions of Busan and Gyeongnam, locating in the south and west of Ulsan, have increased during the warm season. For the rest of the year, the self- and neighboring provincial contributions were similar to 5.1 and 4.8 μg/㎥, respectively. Note that uncertainties in the emissions inventory used in this study (i.e., Clean Air Policy Support System 2016) have clearly led to the over-predictions of the PM<SUB>2.5</SUB> and SO₂ in Nam-gu, Ulsan. It is, therefore, a prerequisite to have the local emissions that can explain the current air pollution in the area prior to developing a comprehensive air quality improvement plan.

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Abstract
1. 서론
2. 연구 방법
3. 연구 결과
4. 결론
References

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