Abstract

A refined grid mathematic model is established to simulate astronomic and typhoon storm of Sea area around Shandong Province of China in this paper. Based on the Advanced Circulation Model (ADCIRC), an astronomical model is established by adding four main constituents to open boundary. The typhoon storm model is established based on typhoon wind field model. Three typical typhoon processes, namely No.8509, No.9216 and No.9711, are hindcasted numerically. The spatial and temporal distributions of storm surges are analyzed. After simulating the series of typhoons from 1960 to 2011 by using the verified ADCIRC model, the 100-year return values around Shandong Peninsula are estimated by a Poisson-Gumbel distribution. The return values will be adopted for storm surge disaster mitigation plan in the nearshore area of Shandong Province.

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