A RAMS Atmospheric Field I Predicted by an Improved Initial Input Dataset - An Application of NOAA SST data -

초기 입력 자료의 개선에 의한 RAMS 기상장의 예측 I - NOAA SST자료의 적용 -

  • Won, Gyeong-Mee (Division of Earth Environmental System, Pusan National University) ;
  • Jeong, Gi-Ho (Department of Chemistry, Pusan National University) ;
  • Lee, Hwa-Woon (Division of Earth Environmental System, Pusan National University) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering, Inje University) ;
  • Lee, Kang-Yoel (Korea Environment Institute)
  • 원경미 (부산대학교 지구환경시스템학부 대기환경과학) ;
  • 정기호 (부산대학교 물리화학부 화학) ;
  • 이화운 (부산대학교 지구환경시스템학부 대기환경과학) ;
  • 정우식 (인제대학교 대기환경정보공학과) ;
  • 이강열 (한국환경정책평가연구원)
  • Published : 2009.05.31


In an effort to examine the Regional Atmospheric Modeling System (RAMS ver. 4.3) to the initial meteorological input data, detailed observational data of NOAA satellite SST (Sea Surface Temperature) was employed. The NOAA satellite SST which is currently provided daily as a seven-day mean value with resolution of 0.1 $^{\circ}$ grid spacing was used instead of the climatologically derived monthly mean SST using in RAMS. In addition, the RAMS SST data must be changed new one because it was constructed in 1993. For more realistic initial meteorological fields, the NOAA satellite SST was incorporated into the RAMS-preprocess package named ISentropic Analysis package (ISAN). When the NOAA SST data was imposed to the initial condition of prognostic RAMS model, the resultant performance of near surface atmospheric fields was discussed and compared with that of default option of SST. We got the good results that the new SST data was made in a standard RAMS format and showed the detailed variation of SST. As the modeling grid became smaller, the SST differences of the NOAA SST run and the RAMS SST43 (default) run in diurnal variation were very minor but this research can apply to further study for the realistic SST situation and the development in predicting regional atmospheric field which imply the regional circulation due to differential surface heating between sea and land or climatological phenomenon.


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