Study of Scale Dependence of Sediment Yield Reduction by Soil Conservation Practices

SHI Changxing

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Study of Scale Dependence of Sediment Yield Reduction by Soil Conservation Practices

- Study of Scale Dependence of Sediment Yield Reduction by Soil Conservation Practices
- Bulletin of Soiland Water Conservation Vol. 25, Issue 3, Pages: 51-54(2006)
- 作者机构：
  
  中国科学院地理科学与自然资源研究所陆地水循环及地表过程重点实验室,北京,100101
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- Published：2006
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SHI Changxing. Study of Scale Dependence of Sediment Yield Reduction by Soil Conservation Practices[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 51-54.
DOI：

SHI Changxing. Study of Scale Dependence of Sediment Yield Reduction by Soil Conservation Practices[J]. Bulletin of Soiland Water Conservation, 2006, 25(3): 51-54. DOI：

摘要

收集了黄土高原64个不同大小流域的水土保持措施减沙效益的资料和研究成果

利用这些资料分析了随着流域尺度的变化黄土高原水土保持措施减沙效益的变化。统计分析结果显示

水土保持措施减沙模数随流域面积没有明显的变化趋势

单位治理面积减沙比与流域面积之间也不存在明显关系。

Abstract

For investigating the changes of sediment yield reduction by soil conservation with spatial scale

this study collected data of the areas implementing soil conservation measures and the amounts of sediment yield reduction associated with soil conservation measures for 64 catchments with different sizes in the middle Yellow River.The soil conservation measures in discussion include land terracing

tree and grass planting

land creating behind sediment-checking dams.Results show that the reduction of specific sediment yield due to implementation of soil conservation measures does not present a significant trend of increase or decrease with the increase of catchment size.

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Related Institution

College of Soil and Water Conservation Science and Engineering， Northwest A&F University， Yangling

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Department of Biological and Food Engineering， Lyuliang University， Lüliang

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