河北省引黄调水泥沙特征分析

Water Sediment Characteristics Analysis of the Yellow River Diversion in Hebei Province

引黄输水工程对缓解河北省水资源供需矛盾发挥了一定的作用。引黄输水工程中，水体中含沙量对输水和用水都会产生影响。泥沙对输水河段及水利工程设施的影响主要有淤积河道、形成沙坝改变河道形状并对水利工程造成影响等。通过对河北省2003年-2004年各输水河道输沙量资料，分析黄河干流及河北省境内泥沙量以及泥沙运移特性，揭示引黄泥沙沿途淤积规律，提高引黄保障能力，为输水河道的维护、调度管理提供技术保障。

The Yellow River diversion proiect plays a certain role to relieve the contradiction between supply and demand of water in Hebei province. In the Yellow River diversion project, the sediment content in water will impact water conveyance and use. The mainly influences of sediment on water conveyance and hydraulic engineering facilities are to silt river course, to form sand dam to change the shape of river and to affect water conservancy project. According to the sand transporting quantity data of each water channels in 2003--2004, we analyze the amount of sediment and sediment transport characteristics in the mainstream of the Yellow River and in Hebei province, reveal the sediment deposition laws and improve the supporting ability of the Yellow River diversion project, provide the technical support for water channel maintenance, scheduling and management.