Research on Erosion Landforms Evolution and Water and Soil Loss in Yishusi Valley Based on DEM

SUN Xi-hua; YAO Xiao-you; ZHOU Hong; LI Jia-zuo; LI Ping

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Research on Erosion Landforms Evolution and Water and Soil Loss in Yishusi Valley Based on DEM

- Research on Erosion Landforms Evolution and Water and Soil Loss in Yishusi Valley Based on DEM
- Bulletin of Soiland Water Conservation Vol. 24, Issue 4, Pages: 24-28(2005)
- 作者机构：
  
  1. 山东师范大学人口资源与环境学院,山东,济南,250014
  2. 水利部淮河水利委员会,安徽,蚌埠,233001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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SUN Xi-hua, YAO Xiao-you, ZHOU Hong, et al. Research on Erosion Landforms Evolution and Water and Soil Loss in Yishusi Valley Based on DEM[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 24-28.
DOI：

SUN Xi-hua, YAO Xiao-you, ZHOU Hong, et al. Research on Erosion Landforms Evolution and Water and Soil Loss in Yishusi Valley Based on DEM[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 24-28. DOI：

摘要

水土流失其实是一种主要的侵蚀地貌演化过程。本文以戴维斯提出的地貌侵蚀循环学说和斯特拉勒(N.Strahler)提出的高程-面积分析法为基础

把高程-面积分析法运用到流域地貌发育研究之中

把山东沂沭泗河流域山丘区地貌发育阶段分为壮年期和老年期。各流域土壤侵蚀模数平均值、土壤侵蚀强度综合指数的大小与其地貌发育阶段呈良好的对应关系

说明尽管人类活动是加剧土壤侵蚀的重要原因

但地貌发育过程对土壤侵蚀的影响同样重要。

Abstract

Water and soil loss is an important landforms evolution course.Based on the theory of landforms erosion circulation and DEM analysis used as the method in the research of valley landforms evolution

the period of landforms evolution of massif region in Yishusi Valley is divided into youth period and old period.The correlation of soil erosion potential danger and soil erosion intensity comprehensive index and landforms evolution period implies that both human activity and landforms evolution period are of importance in soil erosion.

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