年径流系列的插补、延长方法

On Interpolation and Prolongation Methods of Annual Runoff

在从事涉水工程设计、规划初期,要进行大量的水文分析计算工作,其中对年径流分析计算时,对无资料或资料缺测的设计流域要进行年径流系列的插补和延长,使得资料系列具有一定代表性和一致性,为此,文中提供了一些年径流资料插补、延长的方法,并通过实例具体说明了不同方法的使用条件,同时指出了在插补、延长过程中需注意的问题。

In the preliminary planning and designing period of a hydraulic project, a large amount of hydrologic computation work must be conducted. While an annual runoff is being computed, usually, the interpolation and pro-longation work must be carried out for some regions of missing some measured runoff data or only having unconnected runoff series, so as to make the hydrologic runoff series obtain conformability and representativeness. In the paper, some methods of interpolating and prolongating runoff series are put forward, and through three actual examples the applied conditions of different methods are given, moreover, the matters needing attention in interpolation and oro-longation work are presented too.