Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Intercomparison of Wind and Air Temperature Fields of Meteorological Model for Forecasting Air Quality in Seoul Metropolitan Area

수도권지역 대기질 예측을 위한 기상장 모델의 바람장과 온도장 비교 연구

  • Jeong, Ju-Hee (Division of Earth Environmental System, Pusan National University) ;
  • Kim, Yoo-Keun (Division of Earth Environmental System, Pusan National University) ;
  • Moon, Yun-Seob (Department of Environmental Education, Korea National University of Education) ;
  • Hwang, Mi-Kyoung (Division of Earth Environmental System, Pusan National University)
  • 정주희 (부산대학교 지구환경시스템학부) ;
  • 김유근 (부산대학교 지구환경시스템학부) ;
  • 문윤섭 (한국교원대학교 환경교육과) ;
  • 황미경 (부산대학교 지구환경시스템학부)
  • Published : 2007.12.31
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Abstract

The MM5, RAMS and WRF, meteorological models have provided the dynamical parameters as inputs to air quality model. A major content of this study is that significant characteristics of three models for high-ozone occurrence analyze for surface wind and air temperature fields and compare with observation data in Seoul metropolitan area. An analysis of air temperature field revealed that location of core in high temperature of MM5 and WRF differed from that of RAMS. MM5 and WRF indicated high temperature in Seoul but RAMS represented it on the outskirts of Seoul. MM5 and WRF were underestimated maximum temperature during daytime but RAMS simulated similar value with observation data. Surface wind field with three models, it was shown many differences at horizontal distribution of wind direction. RAMS indicated weak wind speed in land and strong sea breeze at coastal areas than MM5 and WRF. However wind speed simulated by three model were overestimated during both daytime and nighttime.

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References

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