Yuetan reservoir locates on Shuaishui River which is the main source of Xin′an River , it is a comprehensive development and utilization of functional water conservancy project which with the urban flood control ,urban water supply , and account both power generation and irrigation , it′s also belong to the 172 major water conservancy projects of the state department .Based on the measured flows data from 1956 to 2012 of Yuetan and Tunxi hydrologic stations downstream of the river , also based on the dispatching application mode and the demands for water of average ecological base flow over the years , the urban water supply and irrigation , typical year method is applied to analyze the effect of Yuetan reservoir construction on the water resources and water resources in the lower reaches of the distribution of the year on the Xin′an river basin , studies show that Yuetan reservoir has certain effect on the hydrological regimes on the Shuaishui and Xin′an river ,but it also has the function of dispel flood andcompensate .%月潭水库地处新安江主源率水上,是以城市防洪为主,结合城镇供水,兼顾发电与灌溉等具有综合开发利用功能水利枢纽工程,并属于国家172 项重大水利工程之一. 基于月潭水库工程调度运用方式、水库多年平均生态基流及水库城乡供水及灌溉等用水需求,以水库下游月潭水文站和屯溪水文站1959~2012年实测流量资料为研究对象,采用典型年法分析月潭水库建设对新安江流域水资源总量及下游水资源年内分配的影响. 分析表明,月潭水库的建设对率水及新安江干流河道水文情势有一定的影响,并具有一定的削峰补枯作用.
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