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논문 기본 정보

자료유형
학술저널
저자정보
김종원 (서울대학교) 한범순 (서울대학교) 백종진 (서울대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제36권 제1호
발행연도
2020.2
수록면
25 - 31 (7page)
DOI
10.5572/KOSAE.2020.36.1.025

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초록· 키워드

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The temporal and spatial variations of workday-holiday PM<SUB>10</SUB> concentration differences in Seoul were investigated using observation data collected at 25 urban air quality monitoring stations from 2001 to 2017. The 17-year average workdayholiday PM<SUB>10</SUB> concentration difference is 9% of the average PM<SUB>10</SUB> concentration (54.1 μg m<SUP>-3</SUP>). The annual average PM<SUB>10</SUB> concentration exhibited a decreasing trend. The annual average workday-holiday PM<SUB>10</SUB> concentration difference was large before 2005, and the annual average PM<SUB>10</SUB> concentrations in workdays and holidays were not significantly different after 2005. When Saturday was included in public holidays or yellow dust events appeared more frequently in holidays, the annual average workday-holiday PM<SUB>10</SUB> concentration difference generally decreased. The seasonal average workday-holiday PM<SUB>10</SUB> concentration differences in spring, summer, fall, and winter are 3%, 8%, 13%, and 11% of the average PM<SUB>10</SUB> concentrations, respectively. In spring, yellow dust events reduced the workday-holiday PM<SUB>10</SUB> concentration difference significantly. The hourly average workday-holiday PM<SUB>10</SUB> concentration difference increased in the morning rush hour, up to 12% of the daily average PM<SUB>10</SUB> concentration. This increase was related to the difference in PM<SUB>10</SUB> emission between workdays and holidays which was larger in the morning rush hour. The spatial variability of the average PM<SUB>10</SUB> concentrations at the 25 stations is 3%, and that of the average workday-holiday PM<SUB>10</SUB> concentration differences is 2%. The spatial variability of the average PM<SUB>10</SUB> concentrations decreased in holidays due to the reduced PM<SUB>10</SUB> emission in commercial, business, and industrial areas. In those areas, the workday-holiday PM<SUB>10</SUB> concentration differences are as large as 12% of the average PM<SUB>10 </SUB>concentration. Also, the annual average PM<SUB>10</SUB> concentrations in southwest and north areas of Seoul tended to increase and decrease compared to the rest of Seoul, respectively.

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Abstract
1. 서론
2. 자료 및 분석 방법
3. 결과 및 고찰
4. 요약 및 결론
References

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UCI(KEPA) : I410-ECN-0101-2020-539-000411649