中文摘要：

径流模拟是河西内陆河地区水文研究中最基本、最重要的一个环节,也是研究其它水文问题的基础.目前广泛应用在河西地区的径流模拟模型大致分为系统理论模型、概念模型和分布式模型三类.但是这些模型各自有哪些特点,应用中应注意哪些问题,却缺少宏观的认识.总结了这三类模型在河西内流河区应用的代表性研究成果,并结合当前所应用模型存在的问题,探讨了研究区未来水文模型可能的发展方向.

英文摘要：

Runoff simulation is one of the most basic and important step of hydrological research in Hexi inland river basins,and also the basis for studying other hydrological problems.The current models used widely in Hexi inland river basins can be divided into system theory models,conceptual models and distributed models.But it is still lack of understanding about what are these models＇ characteristics and the problems which should be paid attention to in the application.In this paper,the representative research results of the application of the three kinds of models in Hexi inland areas are summarized.Considering the problems in the current models,the possible development direction of the future hydrological simulation is discussed in the study area.