The marine surface wind field in recent major six typhoons over Seto Inland Sea was estimated by using 2D empirical typhoon models, the MASCON model, and the Mesoscale Model MM5 with GPV data and typhoon bogus. Among these models the MM5 estimated the wind field most precisely and improved storm surge estimation. The empirical model taking account of typhoon forwarding into the gradient wind equation and super gradient wind into the wind speed reduction coefficient gave the better wind speed variation with time near the typhoon center than the empirical model taking the sum of gradient wind and typhoon forwarding vectors. The MASCON model overestimated the effect of land topography on the horizontal wind component and consequently underestimated the wind speed.
a twin low pressure system caused very high wave condition on the whole coast of the Japan Sea . The Yorimawari-Nami, peculiar long period swells to the sea, entered Toyama Bay and gave unexpected damages in the coastal and port areas. This paper, therefore, describes the significant waves and spectrum profiles of the swells observed by the coastal wave observation network NOWPHAS. The significant wave height and period on thewave record reached 9.92m and 16.2s at Toyama Station on a submarine peninsula in the bay. The shallow water wave simulation with the Boussinesq model led the wave energy focusing in some areas due to the peculiar bathymetry with submarine peninsulas and steep slopes in the bay, called Aigame in the district.
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