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该文利用中国生态系统网络站 (CERN)贡嘎山高山生态定位试验站多年水文气候资料 ,分析了该区森林流域水文过程变化规律 ,并利用自行设计和建造的蒸渗仪 ,研究了试验流域主要土壤和母质类型水分垂直下渗动态变化规律 .结果表明 ,该区森林流域的水文情势可划分为以下 3个时期 :①枯水径流期 (1 1～次年 3月 ) ,径流成分主要是地下径流 ;②洪枯交替融雪期 (4～ 5月 ) ,径流成分除了地下径流外 ,冰雪融水径流和少量降水径流开始逐渐成为总径流的重要组成部分 ;③洪水径流期 (6～ 1 0月 ) ,此阶段为雨季 .蒸渗仪测定结果表明 ,该流域主要土壤和成土母质类型水分垂直运动强烈 ,形成了雨季降雨径流的相对一致性 .
Based on the multi-year hydrological and climatological data of the Gongga Mountain Alpine Ecological Pilot Station of China Ecosystem Network Station (CERN), the variation regularities of hydrological processes in the forest basins in this area were analyzed. With the help of the designed lysimeter, The results showed that the hydrological situation of the forest basins in this area can be divided into the following three periods: (1) the period of low water runoff (from January to March), and the runoff components are mainly (4 ~ 5 months), runoff components in addition to the underground runoff, snow melt runoff and a small amount of precipitation began to gradually become an important part of total runoff; ③ flood runoff (6 ~ 10 Month) during the rainy season, and the results of the lysimeter showed that the vertical movement of the main soil and parent material types in the watershed was strong, which resulted in the relative consistency of rainfall runoff in the rainy season.