Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Applicable Evaluation of the Latest Land-use Data for Developing a Real-time Atmospheric Field Prediction of RAMS

RAMS의 실시간 기상장 예측 향상을 위한 최신 토지피복도 자료의 적용가능성

  • Won, Gyeong-Mee (School of Earth Environmental System, Pusan National University) ;
  • Lee, Hwa-Woon (School of Earth Environmental System, Pusan National University) ;
  • Yu, Jeong-Ah (Chemical Safety & Accident Prevention Division, National Institute of Environmental Research) ;
  • Hong, Hyun-Su (Department of Environmental Engineering, Daejeon University) ;
  • Hwang, Man-Sik (Chemical Safety & Accident Prevention Division, National Institute of Environmental Research) ;
  • Chun, Kwang-Su (Chemical Safety & Accident Prevention Division, National Institute of Environmental Research) ;
  • Choi, Kwang-Su (Chemical Safety & Accident Prevention Division, National Institute of Environmental Research) ;
  • Lee, Moon-Soon (Chemical Safety & Accident Prevention Division, National Institute of Environmental Research)
  • 원경미 (부산대학교 지구환경시스템학부) ;
  • 이화운 (부산대학교 지구환경시스템학부) ;
  • 유정아 (국립환경과학원 화학안전예방과) ;
  • 홍현수 (대전대학교 환경공학과) ;
  • 황만식 (국립환경과학원 화학안전예방과) ;
  • 천광수 (국립환경과학원 화학안전예방과) ;
  • 최광수 (국립환경과학원 화학안전예방과) ;
  • 이문순 (국립환경과학원 화학안전예방과)
  • Published : 2008.02.29
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Abstract

Chemical Accident Response Information System (CARIS) which has been designed for the efficient emergency response of chemical accidents produces the real-time atmospheric fields through the Regional Atmospheric Modeling System, RAMS. The previous studies were emphasized that improving an initial input data had more effective results in developing prediction ability of atmospheric model. In a continuous effort to improve an initial input data, we replaced the land-use dataset using in the RAMS, which is a high resolution USGS digital data constructed in April, 1993, with the latest land-use data of the Korea Ministry of Environment over the South Korea and simulated atmospheric fields for developing a real-time prediction in dispersion of chemicals. The results showed that the new land-use data was written in a standard RAMS format and shown the modified surface characteristics and the landscape heterogeneity resulting from land-use change. In the results of sensitivity experiment we got the improved atmospheric fields and assured that it will give more reliable real-time atmospheric fields to all users of CARIS for the dispersion forecast in associated with hazardous chemical releases as well as general air pollutants.

Keywords

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