G306 Wind induced flow and sediment transport by natural wind

Abstract

At closed water region, sediment transport is mainly caused by wind-induced flow. Such sediment transport does harm to water environment because it causes elution of organic components from sediment to the water body. This study numerically evaluates sediment transport caused by wind. Two-phase flow and mass transport at nearshore region are simulated. Results show wind causes resuspension near the onshore and then suspended sediment moves to offshore. RMS value of cross-shore component of water velocity is large at near shore region. Resuspension sediment flux is also large at near shore. This means velocity fluctuation may cause sediment resuspension.