【摘要】 多沙河流上的滞洪水库，能强烈改变水流泥沙过程、水沙搭配关系，将大水泥沙转化为小水泥沙，淤坏河槽，改变泥沙淤积部位，改变河道特性．更多还原

【Abstract】 The analysis on the evolution of Naodehai reservoir and its downstream river reveals that a detention reservoir in silt laden river can greatly change the hydrographs of water discharge and silt discharge as well as the relationship between water discharge and silt discharge.A great deal of silt in flood season will be transferred to dry season and heavily filled up the river channel downstream of the reservoir.更多还原