The Effect of Land slope upon Raindrop Splash Erosion

Wu Pute; Zhou Peihua

您当前的位置：

首页 >

文章列表页 >

The Effect of Land slope upon Raindrop Splash Erosion

- The Effect of Land slope upon Raindrop Splash Erosion
- Bulletin of Soiland Water Conservation Vol. 10, Issue 3, Pages: 8-13(1991)
- 作者机构：
  
  中国科学院水利部西北水土保持研究所陕西杨陵
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1991
- 稿件说明：
移动端阅览
Wu Pute, Zhou Peihua. The Effect of Land slope upon Raindrop Splash Erosion[J]. Bulletin of Soiland Water Conservation, 1991, 10(3): 8-13.
DOI：

Wu Pute, Zhou Peihua. The Effect of Land slope upon Raindrop Splash Erosion[J]. Bulletin of Soiland Water Conservation, 1991, 10(3): 8-13. DOI：

摘要

采用人工模拟降雨的试验方法

分别研究了地表坡度对向上坡

侧坡及下坡溅蚀量的影响。结果表明:向上坡、侧坡溅蚀量与地表坡度的关系大致为抛物线型

临界坡度在10°～15°与20°～25°之间

但当i=2.037mm/min时

向侧坡溅蚀量与地表坡度为幂函数关系

临界坡度消失。向下坡溅蚀量与地表坡度成线性递增关系

其递增速率随雨强的增加而增大。最后给出了雨滴溅蚀总量与EI及地表坡度S的复因子关系式。ST=5.985（EI）

0.544

0.471

式中:ST=——单位面积上的溅蚀总量（g）;E——雨滴动能（J/m

）;I——降雨强度（mm/min）;S——地表坡度（°）

Abstract

The effect of land slope upon the amount of the upslope

sideslope and downslope splash erosion was studied by using the simulated rainfall tests individually. The results indicated that the relation between the amount of the upslope and downslope splash erosion and land slope was roughly parabolic

and that when the critical slope was between 10°—15° and 20°—25°

but when i=2.037mm/min.

the relation between the amount of sideslope splash erosion and land slope was a power function

and the critical slope disappeared

and that the relation detween the amount of downslope splash erosion and land slope was on the leaner increase

whose ascending rate increased with an increase in rainfall intensity. Finally

the multiple-factor equation of total amount of raindrop splash erosion

EI and land slope (S) was given in this paper

i. e. ST=5.985 (EI)0.544S0.471 where

ST——the total amount of solash erosion (g) per unit area E——raindrop kinetic energy (J/m2) I——rainfall intensity (mm/min.)

关键词

Keywords

references

Views

1472

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Study on the Relationship between Land Slope and Sheet Flow Erosin

Spatiotemporal evolution of ecosystem service value in mountain- oasis-desert system of typical arid regions——A case study at Manas River basin

Extraction methods and distribution characteristics of farmland bunds at different spatial scales

Spatiotemporal evolution and influencing mechanisms of coupling coordination of carbon reduction-pollution reduction-green expansion-economic growth in urban agglomeration in middle reaches of Yangtze River

Research progress and trends of ecological environment of key lakes in Yangtze River economic belt based on bibliometric analysis

Related Author

Wu Pute

Zhou Peihua

Related Institution

North western Institute of Soil and Water Conservation, Academia Sinica and Ministry of Water Resources, YangLing

⁰