Factors affecting runoff change in the upper reaches of the Yellow River

被引:11
|
作者
Huang, Q [1 ]
Zhao, XH [1 ]
机构
[1] Xian Univ Technol, Coll Water Resources & Hydropower, Xian 710048, Peoples R China
关键词
runoff change; grey correlation; cross spectrum; soil and water conservation; double mass curve;
D O I
10.1080/10020070412331344371
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The formation and change of runoff are affected by many factors including both natural and human activities. This paper studies the effect of solar activity, ocean-atmospheric interactivity and underlaying surface on runoff change in the upper reaches of the Yellow River using the historical runoff data from the Lanzhou hydrological station. The relationship of relative sunspot number and runoff change is shown to be a positive correlation with the grey correlation and cross spectrum method. The impact of El Nino and La Nina events on high-low runoff change is analyzed statistically, and the impact of soil and water conservation on runoff change is also investigated with the double mass curve method.
引用
收藏
页码:811 / 816
页数:6
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