Analysis on Erosion Reduction Mechanism and Sediment Reduction Function of check Dam

Li Jing; Zheng Xinmin

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Analysis on Erosion Reduction Mechanism and Sediment Reduction Function of check Dam

- Analysis on Erosion Reduction Mechanism and Sediment Reduction Function of check Dam
- Bulletin of Soiland Water Conservation Vol. 14, Issue 2, Pages: 33-37(1995)
- 作者机构：
  
  水利部黄委会黄河上中游管理局
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1995
- 稿件说明：
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Li Jing, Zheng Xinmin. Analysis on Erosion Reduction Mechanism and Sediment Reduction Function of check Dam[J]. Bulletin of Soiland Water Conservation, 1995, 14(2): 33-37.
DOI：

Li Jing, Zheng Xinmin. Analysis on Erosion Reduction Mechanism and Sediment Reduction Function of check Dam[J]. Bulletin of Soiland Water Conservation, 1995, 14(2): 33-37. DOI：

摘要

该文分析了黄河中游地区典型小流域和重点支流淤地坝的资料，得出淤地坝拦泥减沙作用明显，减蚀作用也很显着。（1）淤地坝是沟道治理主要措施，坝库的减沙量约占水保措施总减沙量60%70%;（2）坝地淤积，抬高了侵蚀基准面，可以防止沟道下切和沟岩扩张；（3）黄河中游地区淤地坝的发展潜力很大，有待进一步合理规划坝系，增加投入，开发建设。

Abstract

The paper has analysed the data of check dam from typical small watershed and key trib-utaries in middle reaches of Yellow River.The conclusion has made that sediment reduction actionby check dam is obvious

and erosion redution is also notable.1.Check dam is major measures forgully control.Sediment reduction by dams approximately take 60%～70% out of the total by soiland water conservation measures;2.Silting in dams raise the erosion base.This can prevent guilybed from cutting down

and banks from expanding;3.The development potential of check dam isgreat in middle reaches of Yellow River.It is necessary further to do dam system planning reason-ably and increase input.

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