摘要
针对传统汇流计算复杂、需要参数较多的缺点,提出了基于基本单元的分布式汇流计算方法,建立基于V形和马蹄形基本单元的离散化模型,用面积—时间曲线法和库赛斯法分别求坡面汇流和河网汇流,由此组合构建分布式流域汇流模型,以沿渡河流域为例进行计算取得了较高的精度。该模型结构简单,资料少,算法易实现。
In view of the disadvantages of complex traditional concentration calculation and in need of many parameters,distributed concentration calculation method is proposed in terms of the basic unit.Discrete model based on the V-shape and the horseshoe-shape is built.And then the area-time curve method and Koussis method are adopted to calculate slope runoff and river network runoff.Based on the combination of two results,distributed watershed concentration model is obtained.Taking the Yanduhe basin for an example,the results has high precision.The model has the advantages of simple structure,less of data needed,implementation easily.
出处
《水电能源科学》
北大核心
2012年第6期17-19,177,共4页
Water Resources and Power
