[1]杨吉山,姚文艺,马三保,等.黄土高原沟壑区小型重力侵蚀影响因素分析[J].水土保持研究,2010,17(06):5-8.
　YANG Ji-shan,YAO Wen-yi,MA San-bao,et al.Analysis on the Small Gravitational Erosion Factors in Gully Region of the Loess Plateau[J].Research of Soil and Water Conservation,2010,17(06):5-8.
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黄土高原沟壑区小型重力侵蚀影响因素分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年06期 页码: 5-8 栏目: 出版日期: 2010-12-20
Title:
Analysis on the Small Gravitational Erosion Factors in Gully Region of the Loess Plateau
作者:
杨吉山1, 姚文艺1, 马三保2, 马胜平2, 申震洲1
1. 黄河水利科学研究院, 郑州 450003;
2. 黄河上中游管理局, 西安 710021
Author(s):
YANG Ji-shan1, YAO Wen-yi1, MA San-bao2, MA Sheng-ping2, SHEN Zhen-zhou1
1. Yellow River Institute of Hydraulic Research, YRCC, Zhengzhou 450003, China;
2. Upper and Middle Yellow River Bureau, YRCC, Xi’an 710043, China
关键词:
黄土高原沟壑区; 重力侵蚀; 影响因素
Keywords:
gully region of the Loess Plateau; gravitational erosion; influence factor
分类号:
S157
摘要:
小型重力侵蚀是黄土高原沟壑区流域产沙的重要来源。影响小型重力侵蚀的因素很多，根据野外实际观测，研究和讨论了沟道发展阶段、沟坡坡度、土体风化、土体蠕动、植被发育、降雨等因素对小型重力侵蚀的影响。结果表明：沟坡土体的风化和蠕动是小型重力侵蚀的重要影响因素，沟坡坡度是决定小型重力侵蚀特点和强度的主要限制性因素，降雨是小型重力侵蚀的重要触发因素，植被的发育对小型的重力侵蚀有比较明显的抑制作用。
Abstract:
Small gravitational erosion is a very important agent for sediment yield in the gully region of the Loess Plateau. There are many influence factors for the generation of the gravitational erosion. Based on field observation, some factors, such as development stages of the channel, degree of the slope, weathering grade and creeping of the regolith, vegetation, rain and so on, are discussed in this paper. We concluded that weathering grade and creeping of the regolith are important influence factors for the small gravitational erosion. Slope degree is controling facors which determines the intensity and scale of the small gravitational erosion. Rain is important triggering factor for the occurrence of small gravitational erosion. And the development of the vegetation can restrain occurrence of the small gravitation erosion to some extent.

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备注/Memo

收稿日期:2010-5-4
基金项目:黄河水利科学研究院中央级公益性科研院所基本科研业务费专项资金（HKY-JBYW-2009-1）；治黄专项基金（黄水保[2006]51）
作者简介:杨吉山（1969- ），男，河南开封人，博士，高级工程师，主要从事水土保持工作。E-mail：yang_ji_shan@163.com

更新日期/Last Update: 1900-01-01