Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau

CHEN Shao-yu; XU Jina-min; WANG Wen-long; ZHAO An-chen; LI Huai-you

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Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau

- Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 28, Issue 4, Pages: 37-41(2009)
- 作者机构：
  
  1. 中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西杨凌,712100
  2. 杨凌职业技术学院, 陕西杨凌,712100
  3. 黄河水土保持西峰治理监督局,甘肃,庆阳,744500
- 作者简介：
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- Published：2009
- 稿件说明：
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CHEN Shao-yu, XU Jina-min, WANG Wen-long, et al. Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2009, 28(4): 37-41.
DOI：

CHEN Shao-yu, XU Jina-min, WANG Wen-long, et al. Erosion Features of Head-cut and Its Control Measures on Dongzhiyuan of the Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2009, 28(4): 37-41. DOI：

摘要

黄土高塬沟壑区沟头溯源侵蚀非常普遍，已经对塬面地区的土地、农田、村庄民居、道路和工厂造成了严重的威胁。通过对董志塬的调查发现，影响溯源侵蚀的因素为自然和人为因素两类。自然因素主要包括降雨径流、地形地貌和土质。总结出溯源侵蚀的发生类型为水力冲刷型、陷穴诱发型、裂缝诱发型和人为诱发型。溯源侵蚀的过程从时间顺序上可分为3个阶段，主要分为水力冲刷阶段、水力和重力共同作用阶段、重力侵蚀阶段。最后，根据不同类型的沟头侵蚀与活动特点，提出了沟头的主要防护措施。

Abstract

Head cut is a widespread and serious erosion type on the Loess Plateau and it has already threatened farmlands，local residents

roads，and factories. According to the field investigation on Dongzhiyuan

the influence factors of head cuts are natural and human factors. The natural factors mainly include runoff，topo grap by，and soil.The genetic types of head cut are summed up，including flow-induced type，sink hole-induced type，fissure-induced type，and human-induced type. According to the order of time

the development of head cut can be divided into three stages:water erosion stage，water and gravity erosion stage

and gravity erosion stage. The control measures of gully head are presented based on the characteristics of different erosion types.

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