Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
Online ISSN : 1883-8944
Print ISSN : 1884-2399
ISSN-L : 1883-8944
Paper
INUNDATION MODELLING OF TYPHOON HAIYAN USING SEA SURFACE AND BOTTOM DRAGS INDUCED BY WAVE AND CURRENT INTERACTION
Sooyoul KIMKenzou KUMAGAIHajime MASE
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2017 Volume 73 Issue 2 Pages I_181-I_186

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Abstract

 In the present study, the effects of the drag stresss at sea surface (Cd) and bottom (fc) induced by surge and wave interaction on the inundation depth of Typhoon Haiyan were investigated. The error between observations and predictions is estimated up to 90 % when using Cd and fc in comparison to the only Cd and the empirical relation-based drags of sea surface and bottom. In addition, the wave and current interaction-induced sea surface drag leveled off at 25 m/s wind speed is appropriciate when using using Cd and fc. In this condition, it is found that the average Manning number converted from fc corresponds to 0.02.

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© 2017 by Japan Society of Civil Engineers
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