渭河径流变化的影响原因分析

Influence and cause analysis for the runoff change in Weihe River

从自然和人为两大因素分析计算了渭河径流变化的原因。从20世纪70年代开始,人为因素对径流变化产生明显的作用,在人为因素作用下渭河径流约减少18×108m3。

This article has calculated the change reason of Weihe River runoff from the two aspects as the natural and the human factor. From starting of the 20th century 70＇s, the human factor has played the obvious function for the runoff change, the Weihe River runoff has been reduced 1.8 million m^3 under the human factor function.