Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
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A Simulation of High Ozone Episode in Downwind Area of Seoul Metropolitan Using CMAQ Model

CMAQ을 이용한 수도권 풍하지역의 고농도 오존 현상 모사

  • Lee, Chong Bum (Department. of Environmental Science, Kangwon National University) ;
  • Song, Eun Young (Department. of Environmental Science, Kangwon National University)
  • 이종범 (강원대학교 자연과학대학 환경과학과) ;
  • 송은영 (강원대학교 자연과학대학 환경과학과)
  • Received : 2006.04.04
  • Accepted : 2006.05.02
  • Published : 2006.06.30
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Abstract

Recently, high ozone episode occurred frequently in Korea. Moreover ozone episode occurred not only in the city but also in background area where local anthropogenic sources are not important. It analyzed frequency exceeding 100ppb ozone at air quality monitoring stations in Seoul and rural area during 1995-2004. This paper reports on the use of the Community Multiscale Air Quality (CMAQ) modelling system to predict hourly ozone levels. Domain resolutions of 30km, 10km, 3.333km (innermost) have been employed for this study. Summer periods in June 2004 have been simulated and the predicted results have been compared to data for metropolitan and rural air quality monitoring stations. The model performance has been evaluated with measured data through a range of statistical measures. Although, the CMAQ model reproduces the ozone temporal spatial trends it was not able to simulate the peak magnitudes consistently.

Keywords

Acknowledgement

Grant : 대도시 대기질 관리방안 조사 연구-광화학 대기오염의 생성 과정 규명과 저감대책 수립

Supported by : 국립환경과학원

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