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Necessity and feasibility for an ET-based modern water resources management strategy: A case study of soil water resources in the Yellow River Basin

查看全文 作　　者：WANG [1]Hao;YANG [1]GuiYu;JIA [1]YangWen;QIN [1]DaYong;GAN [1]Hong;WANG [1]JianHua;HAN [2]ChunMiao 高影响力作者 机构地区：[1]Department of Water Resources,China Institute of Water Resources and Hydropower Research,Beijing 100044,China;[2]Beijing General Hydrological Station,Beijing 100089,China高影响力机构 出　　处：《Science China(Technological Sciences)》索引2009年第52卷第10期,共13页高影响力期刊 基　　金：Supported by the National Basic Research Program of China ('973' Project) (Grant Nos. 2006CB403404, 2006CB403405);the National Natural Science Foundation of China (Grant No. 50721006);the National Science Research for the 11th Five-Year Plan (Grant No. 2006BAB06B06) 摘　　要：The necessity and feasibility of an ET-based modern water resources management was analyzed to improve assessment of critical water resources scarcity in the region/basin. This analysis was based on the whole water cycle process and its analysis object is evapotranspiration (ET), a main consumption component in the water resources dynamic transformation process. A case study was undertaken by selecting soil water resources in the Yellow River Basin and employing the WEP-L distributed hydrological model with physics mechanisms. This paper discusses the amount and consumption efficiency of soil-water resources according to completely simulated results of water cycle elements throughout the basin. Results indicate that it is important for the ET-based modern water resources management strategy to alleviate water resources scarcity because it may not only avoid unused water wasting but also improve water use efficiency. Therefore, an ET-based modern water resources management scheme is a good complement to the traditional water resources demand management system. 关 键 词：ET-based MANAGEMENT evapotranspiration water RESOURCES MANAGEMENT SOIL-WATER RESOURCES Yellow River Basin
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