Ryosuke USUI
Development of the occurrence criteria of a seismic sea wave and of propagationĦĦforecastĦĦmethod
Tokuzo HOSOYAMADA , Naoyuki INUKAI
The main cause of the tsunami is a submarine ground deformation caused by the earthquake that was the epicenter waters . In order to understand the cause of the greatest tsunami , the depth response of the seabed variations in the wave source region , and the purpose of creating a new tsunami calculation method that takes into account the energy spread was performed the following in the present study . The experiments were performed basic to design manufacturing a hydraulic experimental system that assumes the wave source region in a two-dimensional wave-making water channel section , simulating the seabed variations . Is allowed to change the parameters of the uplift in the experimental apparatus wave source region and uplift rate , water depth , etc. , we discussed the surface of the water response rate results . He does numerical experiments on hydraulic experimental results confirmed the consistency of the results of numerical experiments a hydraulic test results . In the calculation method of the same , assuming the tsunami on plates in Trench west of the Philippines , gave the initial water level fluctuation of 2m in the propagation calculations of tsunami was calculated target area the South China Sea . In addition , it is determined by calculating the maximum water level variation and tsunami state of propagation of the tsunami after 20 hours and knows each behavior was performed Tsunami propagation prediction in the South China Sea
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