In order to research the wave characteristics in Suyeong bay on typhoon in 2011, this study was carried out observation of wave on typhoon "Ma-on",calculation of wave characteristics using STWAVE and comparison with significant wave heights between observ

By increasing the flow rate of near the river the water level increases. Due to the increased water level, damage occurs in the revetment. In this paper, In oder to estimate the amount of overtopping rate in the revetment near the river the numerical mode