人类活动对柳河水沙影响分析

Analysis of impact of human activities to water and sand in Liuhe River

对柳河主要站不同年段的水量、沙量进行了分析、计算,并对雨量变化和人类活动影响所占比重进行了定量计算,结果证明人类活动是占主要的。

This paper analyzed and calculated the water volume and sand quantity for the main hydrological stations among different years in Liu River. Further more, it made quantitative calculation of weights for the variation of annual precipitation with the impact of human activities. Results shown that the human activities were the main factor.