漓江连续枯水日变化特性分析

Analyze variation characteristics of continuous low water days for Lijiang river

基于随机过程的轮次分析方法,以负轮长作为表征水文枯水特性的定量指标,在大量日径流资料为基础上,取不同的截割水平,对漓江桂林水文站的日径流的枯水持续现象进行了分析,揭示其统计规律。

By random round analysis method, taking negative round interval as hydrological quantitative index of low water characteristics, on the basis of great quantity of daily runoff data, and with different interception levels being adopted, the authors analyze the continuous low water days as shown by the daily runoff records from Guilin hydrometric station on the Lijiang river, and demonstrate the statistie pattern.