Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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The Study on the Strong Wind Damage Prediction for Estimation Surface Wind Speed of Typhoon Season(I)

태풍시기의 강풍피해 예측을 위한 지상풍 산정에 관한 연구(I)

  • Park, Jong-Kil (School of Environmental Sciences Engineering, Atmospheric Environment Information Research Center, Inje University) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering, Graduate school, Atmospheric Environment Information Research Center, Inje University) ;
  • Choi, Hyo-Jin (Department of Atmospheric Environment Information Engineering, Graduate school, Atmospheric Environment Information Research Center, Inje University)
  • 박종길 (인제대학교 환경공학부/대기환경정보연구센터) ;
  • 정우식 (인제대학교 대기환경정보공학과/대기환경정보연구센터) ;
  • 최효진 (인제대학교 대기환경정보공학과/대기환경정보연구센터)
  • Published : 2008.02.28
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Abstract

Damage from typhoon disaster can be mitigated by grasping and dealing with the damage promptly for the regions in typhoon track. What is this work, a technique to analyzed dangerousness of typhoon should be presupposed. This study estimated 10 m level wind speed using 700 hPa wind by typhoon, referring to GPS dropwindsonde study of Franklin(2003). For 700 hPa wind, 30 km resolution data of Regional Data Assimilation Prediction System(RDAPS) were used. For roughness length in estimating wind of 10 m level, landuse data of USGS are employed. For 10 m level wind speed of Typhoon Rusa in 2002, we sampled AWS site of $7.4{\sim}30km$ distant from typhoon center and compare them with observational data. The results show that the 10 m level wind speed is the estimation of maximum wind speed which can appear in surface by typhoon and it cannot be compared with general hourly observational data. Wind load on domestic buildings relies on probability distributions of extreme wind speed. Hence, calculated 10 m level wind speed is useful for estimating the damage structure from typhoon.

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References

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