Journal of Korean Society of Coastal and Ocean Engineers (한국해안·해양공학회논문집)

Korean Society of Coastal and Ocean Engineers (한국해안·해양공학회)
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Development of the Global Tsunami Prediction System using the Finite Fault Model and the Cyclic Boundary Condition

유한 단층 모델 및 순환 경계조건을 이용한 전지구 지진해일 예측 시스템 개발

  • Lee, Jun-Whan (Global Environment System Research Division, National Institute of Meteorological Sciences) ;
  • Park, Eun Hee (Global Environment System Research Division, National Institute of Meteorological Sciences) ;
  • Park, Sun-Cheon (Global Environment System Research Division, National Institute of Meteorological Sciences) ;
  • Woo, Seung-Buhm (Department of Ocean Science, College of Natural Science Inha University)
  • 이준환 (국립기상과학원 지구환경시스템연구과) ;
  • 박은희 (국립기상과학원 지구환경시스템연구과) ;
  • 박순천 (국립기상과학원 지구환경시스템연구과) ;
  • 우승범 (인하대학교 해양과학과)
  • Received : 2015.09.23
  • Accepted : 2015.10.24
  • Published : 2015.12.31
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Abstract

A global tsunami prediction system was suggested for a distant tsunami using a finite fault model and a cyclic boundary condition. The possibility of the suggested system as a distant tsunami response system was checked by applying it into the case of 2014 Chile tsunami. A comparison between the numerical results(tsunami height and arrival time) with different conditions (boundary condition, governing equation, grid size and fault model) and measured data (DART buoy, tide station) showed the importance of the finite fault model and the cyclic boundary condition.

본 연구에서는 원거리 지진해일에 대응하기 위한 기초 연구로써 유한 단층 모델과 순환 경계조건을 이용한 전지구 지진해일 예측 시스템을 제안하였다. 제안한 전지구 지진해일 예측 시스템을 2014년 칠레 지진해일에 적용하여 원거리 지진해일에 대한 대응 시스템으로써의 가능성을 검토하였다. 전지구 지진해일 예측 시스템의 경계조건, 지배방정식, 격자 크기, 단층 모델에 따른 지진해일 파고와 도달시각을 DART 부이, 조위관측소 관측 자료와 비교함으로써 유한 단층 모델과 순환 경계조건의 중요성을 확인하였다.

Keywords

References

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