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자료유형
학술저널
저자정보
유승희 (아주대학교) 배창한 (국가미세먼지정보센터) 김형천 (국가미세먼지정보센터) 유철 (국가미세먼지정보센터) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제36권 제6호
발행연도
2020.12
수록면
785 - 805 (21page)
DOI
10.5572/KOSAE.2020.36.6.785

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Emissions of SO<SUB>x</SUB>, NO<SUB>x</SUB>, NH₃, volatile organic compounds and primary PM<SUB>2.5</SUB> released from thirty-one local authorities in Gyeonggi and its adjacent provinces were tagged to estimate the inter-and intra-provincial contributions as well as the self-contributions to the annual mean PM<SUB>2.5</SUB> concentrations for 2016. The CAMx-PSAT simulation with the Clean Air Policy Support System 2016 at horizontal grid resolutions of 27 km, 9 km, and 3 km was applied. During the two-way nesting simulation, coarser modeling domains were utilized to quantify the contributions of emissions from the upwind foreign countries (foreign contribution) to PM<SUB>2.5</SUB> concentrations in Gyeonggi’s local authorities. Results show that the foreign contributions to PM<SUB>2.5</SUB> concentrations of local authorities in Gyeonggi during 2016 ranged from 50~76%, exhibiting higher foreign contributions to local authorities in northwestern Gyeonggi due to their geographical locations vulnerable to the long-range transport of air pollutants and relatively low self-contributions (contributions of local authorities’emissions). Selfcontributions to PM<SUB>2.5</SUB> concentrations for the local authorities varied in the range of 2~12% (mean 6%). In comparison, the intra-contribution (contributions of emissions from the rest of Gyeonggi) ranged from 8~20% (mean 13%) during the yearlong simulation period. On the other hand, the total inter-provincial contributions (contributions of emissions from neighboring provinces such as Seoul, Incheon, Chungcheong, and Gangwon) amounted to Gyeonggi’s PM<SUB>2.5</SUB> by 17% on average. However, for a specified local authority in Gyeonggi, the inter-provincial contributions to the PM<SUB>2.5</SUB> concentrations were as high as 27%, possibly due to its proximity to high emission areas outside the province. In the meantime, the modeled contributions of Gyeonggi’s emissions to the PM<SUB>2.5</SUB> concentrations of its surrounding provinces were 4~11%. It implies mitigations on the inter- and intra-provincial contributions are important to improve PM<SUB>2.5</SUB> concentrations in Gyeonggi’s local authorities. It also represents that emission control plans across the provinces are inevitable to improve the local PM<SUB>2.5</SUB> concentrations in and around Gyeonggi.

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

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