An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau

Zhang Xinbao; Chai Zongxin; Wang Yangchun

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An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau

- An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 8, Issue 5, Pages: 40-44(1989)
- 作者机构：
  
  中国科学院成都山地灾害与环境研究所山地水土保持研究室
- 作者简介：
- 基金信息：
- DOI：
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- Published：1989
- 稿件说明：
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Zhang Xinbao, Chai Zongxin, Wang Yangchun. An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1989, 8(5): 40-44.
DOI：

Zhang Xinbao, Chai Zongxin, Wang Yangchun. An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 1989, 8(5): 40-44. DOI：

摘要

黄土高原地区严重的重力侵蚀

是该区的主要侵蚀方式之一。本文运用计量地貌学方法

对该区重力侵蚀的地形因子进行了分析

提出了重力侵蚀的地形因子值概念

编制了全区区域临空面高度以及地形因子等值线图

给出了不同岩性组合条件的重力浸蚀强度地形因子指标。最后还探讨了重力侵蚀强度的区域特征。

Abstract

The grievous gravitational erosion on Loess Plateau is the major ero- sion type of the region.The paper

with the quantitative geornorpholo- gical method

having analysed the topographical factor in gravitational erosion

raised the concept of topographical factor value

worked out the isograms of regional height facing vacancy for the area and the topogra- phy factor

proposed topographical index of gravitational erosion strength under different combining condition of lithology

it also explores the re- gional nature of gravitational erosion strength.

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