Using the method to calculate can not only obtain more accurate results, but also can realize river-channel storage-volume 3D visualization and view the distribution of the river scouring-silting.

• 该方法不仅可以提高计算结果精度，而且结果可以实现三维可视化，能确定槽蓄量分布状况，有利于防洪抗险的决策。