渭河流域综合用水水平的最优化分类研究

针对流域综合用水水平进行最优分类的问题,提出了一种利用多元统计分析的F-统计量和变化的显著性水平的新方法,用其进行最优化分类的研究,构造了一种寻求最优分类的方法来寻求最优阈值。以渭河流域陕西段为例,采用该地区2003年~2005年资料,进行流域综合用水水平的最优分类研究,结果表明：该流域的综合用水水平可分为4种不同的类型,符合当地的实际用水情况,可为管理部门制定合理规划提供一定的依据。

Optimization Category of Comprehensive Water Use Level in Weihe River Basin

Pointing to the optimal category for comprehensive water use level in a river basin, the paper put forward a knew method used a multi-statistical analysis F- statistics and significant change level for the research of optimization category and established a way to seek the optimal classification. Taking the Weihe River Basin in Shaanxi as an example, the paper conducted a optimal classification for comprehensive water use level. The result showed that the basin's water level can be divied into four different types. It was coincided with the local real water use situation and can provide the basis for reasonabe planning of management agency.