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자료유형
학술저널
저자정보
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제25권 제4호
발행연도
2009.8
수록면
289 - 303 (15page)

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초록· 키워드

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The chemical and meteorological effects on the concentration variations of ozone (O₃) were evaluated based on the intensive air quality measurement (5 pollutants and aromatic volatile organic compounds (AVOCs)) in and outside an urban valley during spring and summer of 2006. The 5 pollutants measured in the study area include O₃, NO₂, NO, PM<SUB>10</SUB>, and CO; the AVOCs include benzene (BEN), toluene (TOL), ethylbenzene (EB), m,p-xylene (MPX), and o-xylene (OX). For the purpose of this study, study areas were classified into two categories: valley area (VA) with a semi-closed topography covering a number of industrial complex, public building, and mountains and nonvalley area (NVA) surrounding the suburban and residential areas. In general, the mean concentration levels of most pollutants (except for PM<SUB>10</SUB>) in the VA were higher than those in the NVA. It was found that the average O₃ increase in the VA during spring might result from the combined effects such as the photochemical production from diverse anthropogenic sources and the O₃ accumulation due to geographical features (e.g., the semi-closed topography) and wind conditions (e.g., a low wind speed). In addition, the nocturnal O₃ increase in the VA during spring was primarily caused by local wind conditions (e.g., mountain and valley winds) with the low wind speed (approximately 1~2 m s<SUP>-1</SUP>). On the other hand, the O₃ difference between the two areas during summer might be because of the photochemical production with the O₃ precursors (especially the AVOCs) rather than the contribution of wind conditions.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 요약 및 결론
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UCI(KEPA) : I410-ECN-0101-2009-539-018679068