动态流域模拟模型在黄河宁夏段流域水沙规律研究中的应用

Application of dynamic watershed simulation model( DWSM) to study of regularities of water and sediment in Ningxia reach of Yellow River

在介绍动态流域模拟模型(DWSM)的原理、结构、河网汇流顺序等的基础上,并对其算法和存储规则进行改进,以提高模型的计算效率,将该模型应用于黄河宁夏段流域的水沙规律研究中。结果表明DWSM模型在黄河宁夏段流域水沙模拟中具有较好的适用性。

This paper introduces the principle , structure, and river network confluence sequence of the dynamic watershed simulation model （ DWSM ） .The algorithms and storage rules of the model were improved , in order to improve the calculation efficiency .The model was used to study the regularities of water and sediment in the Ningxia reach of the Yellow River .Results show that the DWSM is highly applicable to water and sediment simulation in the study area .