Some Soil Erosion Types in Shima Watershed of Xingning County of Guangdong Province

Zhu Shiqing; Lu Jiacheng; Li Dingqiang

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Some Soil Erosion Types in Shima Watershed of Xingning County of Guangdong Province

- Some Soil Erosion Types in Shima Watershed of Xingning County of Guangdong Province
- Bulletin of Soiland Water Conservation Vol. 9, Issue 1, Pages: 1-7(1990)
- 作者机构：
  
  广东省土壤研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： S157.1
- Published：1990
- 稿件说明：
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Zhu Shiqing, Lu Jiacheng, Li Dingqiang. Some Soil Erosion Types in Shima Watershed of Xingning County of Guangdong Province[J]. Bulletin of Soiland Water Conservation, 1990, 9(1): 1-7.
DOI：

Zhu Shiqing, Lu Jiacheng, Li Dingqiang. Some Soil Erosion Types in Shima Watershed of Xingning County of Guangdong Province[J]. Bulletin of Soiland Water Conservation, 1990, 9(1): 1-7. DOI：

摘要

本文通过定点观测研究

根据侵蚀力类型与地貌形态

将该地土壤侵蚀划分为:面状侵蚀、沟状侵蚀和崩岗侵蚀。一、面状侵蚀为:由雨滴打击地面、紊动地面径流产生的击溅侵蚀。由于地形和植物等的影响。片蚀实以细沟状侵蚀为主

并通过水量平衡方程、植被和产沙关系

对径流小区水量平衡

植被对片蚀的影响

小区产流、产沙状况作了探讨。二、沟状侵蚀为坡面和崩岗壁面集流作用的结果。三、流水和重力共同作用产生崩岗侵蚀。本文对崩岗侵蚀中面状流水作用区

重力-流水作用区

流水搬运-沉积区的发育过程

以及泥沙冲淤变化作了分析论述。

Abstract

According to erosivity and landform

soil erosions are divided into sheet erosion

gully erosion and gravity gully erosion. 1. Sheet erosion is the erosion caused by rain drop and overland flow. Because of the influence of landform and vegetation

sheet erosion mainly is the rill erosion. We use the equation of water balance and the relationship between vegetation and sediment yield are used to research the water balance on runoff plot

the influence of vegetation on sheet erosion

and sediment and runoff yield on plot; 2. Gully erosion is caused by concentrated flow coming from slope land and cliff; 3. Gravity gully is caused by mixed effect of gravity and runoff. In this paper we divided the gravity gully into three parts: Sheet flow effect part

gravity-runoff effect part

and transport-deposit part.

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