华北地区流域月降水径流模型比较研究

Comparative Study of Monthly Rainfall Runoff Models in North China

选择我国华北地区若干流域，建立了三个月降水径流模型——统计模型、比利时模型和新安江模型。分析结果表明：统计模型能较好地反映流域输出对输入的响应，新安江模型（改进后）则能较好地描述半干旱地区流域的产汇流特性，模型拟合效果也较好，而比利时模型，经初步应用，拟合效果比新安江模型差。

Three monthly rainfall runoff models, namely the statistical model, Belgium model and Xinanjiang model, were applied to several basins in North China. The simulation result indicated that the statistical model can better reflect the response of catchment output to its input, the modified Xinanjiang model can better describe the runoff characteristics of semi arid region and the simulated result was better fitted to the measured runoff. As for the Belgium model, a prelinminary application showed that the fitted result was worse than the Xinanjiang model.