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논문 기본 정보

자료유형
학술저널
저자정보
김세기 (아주대학교) 손규원 (아주대학교) 유승희 (아주대학교) 배민아 (아주대학교) 강윤희 (아주대학교) 김은혜 (아주대학교) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제38권 제2호
발행연도
2022.4
수록면
237 - 257 (21page)
DOI
10.5572/KOSAE.2022.38.2.237

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초록· 키워드

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In this study, we estimated contributions of foreign and domestic emissions to the annual mean PM<SUB>2.5</SUB> concentration in Gyeongbuk for 2016 using Comprehensive Air Quality Model eXtensions with Particulate Source Apportionment Technology. For the detailed analyses on the domestic contributions, self- and inter-provincial contributions as well as intermural contributions among twenty-two local authorities, excluding Ulleung, in the province were estimated based on the CAPSS 2016 emissions inventory (EI). The simulated annual mean PM<SUB>2.5</SUB> concentration in Gyeongbuk was 20.9 μg/m³ for the year. The domestic contributions to the annual mean PM<SUB>2.5</SUB> concentrations over the local authorities ranged from 3.6 to 13.7 μg/m³. Provincial self-contribution to the annual mean PM<SUB>2.5</SUB> concentration in Gyeongbuk was 3.6 μg/m³, explaining 44% of the domestic contribution. It implies that collaboration with neighboring provinces is essential to improve the air quality over Gyeongbuk. The contributions of Chungnam and Gyeonggi to the annual mean PM<SUB>2.5</SUB> concentration in Gyeongbuk were 1.0 μg/m³ and 0.8 μg/m³. Among 22 local authorities, Pohang showed the highest emission rates of PM<SUB>2.5</SUB>-related air pollutants, and thus the highest local authority-level self-contribution. However, the annual mean PM<SUB>2.5</SUB> concentration in Pohang was overpredicted by 61.8 μg/m³. Compared to the EI-based contribution, adjusted PM<SUB>2.5</SUB> self-contribution of Pohang using the ratio between the observed and simulated concentrations was reduced by 55%. Considering the over-prediction, especially over the hot-spot area, the emissions inventory used in air quality simulations for the purpose of air quality management should be more thoroughly evaluated prior to analyzing the source-receptor relationship.

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

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UCI(KEPA) : I410-ECN-0101-2022-539-001135193