The results showed that under the status of land surface, the surface water resources of Weihe River Basin in Shaanxi mainly depends on the rainfall.
结果表明：在现状下垫面等条件下，渭河流域陕西片的地表水资源主要取决于降雨资源。
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。
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