Topological Anal yses on the Benefit of the Basin Decreasing Sandy Soil—Taking the Yanhe Basin as an Example

Su Guangquan; Gan Zhimao

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Topological Anal yses on the Benefit of the Basin Decreasing Sandy Soil—Taking the Yanhe Basin as an Example

- Topological Anal yses on the Benefit of the Basin Decreasing Sandy Soil—Taking the Yanhe Basin as an Example
- Bulletin of Soiland Water Conservation Vol. 13, Issue 3, Pages: 12-19(1994)
- 作者机构：
  
  陕西师范大学地理系
- 作者简介：
- 基金信息：
- DOI：
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- Published：1994
- 稿件说明：
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Su Guangquan, Gan Zhimao. Topological Anal yses on the Benefit of the Basin Decreasing Sandy Soil—Taking the Yanhe Basin as an Example[J]. Bulletin of Soiland Water Conservation, 1994, 13(3): 12-19.
DOI：

Su Guangquan, Gan Zhimao. Topological Anal yses on the Benefit of the Basin Decreasing Sandy Soil—Taking the Yanhe Basin as an Example[J]. Bulletin of Soiland Water Conservation, 1994, 13(3): 12-19. DOI：

摘要

该文以流域治理前径流站实测输沙值为依据，运用拓扑分析法预测流域治理后理论输沙值，与治理后实测输沙值对比，求得流域下垫面及坡面减沙效益。并以延河流域为例，与水保、水文法对照，取得令人满意的效果。

Abstract

The dissertation utilizes the measured sandy soil values as a basis before the basin is sandcontrolled

and then by using these topological forecasts decides the theoretical sandy soil values during the basin is sandcontrolled. Comparing with values

we can get a new method to detect the basin decreased sandy soil benefit of its ground and its fields. By taking the Yanhe basin as an example and contrasting with both the waterandsoil conservative way hydrlogic way

we gain a satisfactory conclusion.

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