According to the change trend of rainfall in Weihe River Basin in Shaanxi, the paper established the scenario analysis method to predict the changes of runoff using distributed hydrological model.
结合渭河流域陕西片的降雨变化趋势，建立了运用分布式水文模型预测流域径流变化规律的情景分析方法。
Impacts of precipitation variations and human activities on annual runoff of the Chao River Basin are evaluated quantitatively based on the rainfall-runoff empirical statistical model.
利用降水-径流经验统计模型，定量评估了潮河流域降水变化与人类活动对流域年径流量的影响程度。
Based on digital basin, HEC-1 model, a part of hydrological models in WMS, was selected to simulate the rainfall-runoff process.
在生成数字流域的基础上，采用WMS嵌入的HEC - 1模型进行降雨径流模拟研究。
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