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논문 기본 정보

자료유형
학술저널
저자정보
김종희 (안양대학교) 최대련 (안양대학교) 구윤서 (안양대학교) 이재범 (국립환경과학원) 박현주 (국립환경과학원)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제32권 제1호
발행연도
2016.2
수록면
82 - 99 (18page)

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This study was carried out to understand the regional contribution of Particulate Matter (PM) emissions from East Asia (82°~149°E, 18°~53°N) to Seoul during high concentration period in February 2014.
The Community Multi-scale Air Quality (CMAQ) version 5.0.2 with Decoupled Direct Method (DDM) was used to analyze levels of contributions over Seoul. In order to validate model performance of the CMAQ, predicted PM and its chemical species concentrations were compared to observations in China and Seoul. Model predictions could depict the daily and hourly variations of observed PM. The calculated PM concentrations, however, had a tendency of underestimation. The discrepancies are due to uncertainties of meteorological data, emission inventories and CMAQ model itself.
The high PM concentration in Seoul was induced by stationary anticyclone over the West Coast of Korea during 24 to 27 February. The DDM in CMAQ was used to analyze the contributions of emissions from East Asia on Seoul during this PM episode. PM<SUB>10</SUB> concentration in Seoul is contributed by 39.77%~53.19% from China industrial and urban region, 15.37%~37.10% from South Korea, and 9.03%~18.05% North Korea. These indicate that PM<SUB>10</SUB> concentrations in Seoul during the episode period are dominated by long-range transport from China region as well as domestic sources. It was also found that the largest contribution region in China were Shandong peninsula during the PM event period.

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Abstract
1. 서론
2. 연구 방법
3. 연구 결과
4. 요약 및 결론
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UCI(KEPA) : I410-ECN-0101-2016-539-002675411