作　　者： ; ; ;

机构地区： 中国科学院寒区旱区环境与工程研究所

出　　处： 《干旱区资源与环境》 2003年第6期1-7,共7页

摘　　要： 根据河西内陆区的水资源系统完整性和内陆干旱区水资源的特点 ,从水循环角度考虑 ,对河西内陆区界定了降水资源、广义水资源、狭义水资源 (径流性水资源 )、生态需水量、可利用水资源及工程供水量等定义 。 Based on integration of water resources systems in the interior region of Hexi Corridor and the characteristics of water resources in the arid zone, precipitation resources, water resources in broad sense, water resources in narrow sense (runoff water resources), eco environment water requirement, available water resources and engineering water supply amount etc definitions are given from the angle of water cycle in the interior Hexi region. According to the definition, a new quantity of water resources and the relationships among each other are evaluated in three inland river basins of Hexi Region.

关 键 词： 水循环 水资源 评价 干旱区 开发利用

领　　域： [水利工程]