基于SCS模式的月水文模型研究

SCS monthly water model and its application

应用以SCS水文模式为基础的月水量平衡模型,模拟东江、赣江、汉江和黄河中游的27个子流域的径流.结果表明精度较高,参数值稳定,模型具有较好的适应能力,能够应用于湿润、半湿润、半干旱地区,而模型仅有3个参数,使用简单.最后提出结合遥感与地理信息技术改进模型的思路.

SCS monthly water balance model, which based on SCS hydrologic model, was used to simulate the monthly runoff of 27 sub-basins in the Dongjiang, Ganjiang, Hanjiang and Yellow River basin. It was found that： a） the runoff simulation results are relatively satisfactory; b） the values of three parameters are steady; c） the applicability of the model is stronger and it can be applied in humid, semi-humid and arid area; d） the structure of the model is simple and only has three parameters. Finally, a scheme that takes advantage of remote sensing techniques and GIS powerful management capability are discussed and prospected.