金沙江流域水土流失与人类活动影响分析

长江三峡水利枢纽工程能否正常发挥效益，泥沙是重要的制约因素之一，而水库的泥沙主要来自上游金沙江，其多年平均输沙量占入库寸滩站的５２７％。因此，本文对金沙江泥沙的地区组成、水土流失及人类活动影响等问题进行了深入的分析，并提出了防治对策。

Analysis of Soil Erosion in Jinsha River Basin and Influences of Human Activities

Sediment problem is one of the key restrictive factors of whether of not the Three-Gorge Project on the Yangtze River can make benefit normally The major source of sediment for the reservoir is the upstream Jinsha River At the Chuntan Hydrological Station,the reservoir inflow station, 52 7% of the overyear average sediment discharge comes from the Jinsha River Regional composition of sediment,soil erosion influences of human activities,and other problems are analysed thoroughly And prevention and control countermeasures are put forward