Preliminary Analysis of Effect of Soil and Water Conservationon Flood in Huangfuchuan Watershed

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- Preliminary Analysis of Effect of Soil and Water Conservationon Flood in Huangfuchuan Watershed
- Vol. 15, Issue 5, Pages: 29-32(2001)
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  CLC： S157.2
- Published：2001
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Preliminary Analysis of Effect of Soil and Water Conservationon Flood in Huangfuchuan Watershed[J]. 2001, 15(5): 29-32.
DOI：

Preliminary Analysis of Effect of Soil and Water Conservationon Flood in Huangfuchuan Watershed[J]. 2001, 15(5): 29-32. DOI：

通过对治理前、后洪水平均过程线及其特征量的对比分析可知

尽管治理后的过程平均降水量稍大于治理前

但其洪峰流量和洪量呈减小趋势

沙量较治理前减小20%以上

且呈现出涨势减缓、退水变慢的特点;降雨与洪峰流量、沙量相互关系及其变化分析结果表明

发生中小洪水或较大洪水时

现状水保措施有一定的削峰减沙作用

若遇大洪水

则可能因部分库、坝(塘)工程水毁而加大洪峰流量

使沙量增加.

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