Development of Quasi 3D sediment transport model in wave breaker and swash zone and proposal of effective sediment transport control

在波浪破碎带和冲刷带中模拟了涡旋粘度的垂直剖面。它可以得到悬浮沉积物的垂直剖面。建立了准三维输沙模型和高阶Boussinesq模型。在山本海岸观测了海岬附近的旁通输沙通量，建立了海岬旁通输沙通量的预测模型。结果表明，通过调节封头长度可以有效地控制旁路磁通。

Vertical profile of eddy viscosity is modeled in wave breaking and swash zones. It enabled to get vertical profile of suspended sediment. Quasi-3D sediment transport model coupled with the higher order Boussinesq model was developed. Bypass sediment flux around headlands was observed at the Yamamoto coast, the prediction model of which was developed. It is shown the bypass flux is effectively controlled by adjusting the length of the head.