人民长江Issue(7)：76-79,4.DOI:10.16232/j.cnki.1001-4179.2015.07.020
鄂东南崩岗崩壁溯源侵蚀特征研究
Study of headward erosion characteristics of collapsed downland in granite region in southeast Hubei Province
任兵芳 1丁树文 2吴大国 3李双喜1
作者信息
- 1. 长江水利委员会 长江流域水土保持监测中心站，湖北 武汉430010
- 2. 农业部 长江中下游耕地保育重点实验室，湖北 武汉430070
- 3. 湖北通城县水土保持试验站，湖北 通城437400
- 折叠
摘要
Abstract
To study the erosion mechanism of downland collapse and put forward effective treatment measures, by field test and laboratory analysis, the headward erosion of two typical downland collapses,Wuli Town in Tongcheng County of Hubei Province, is monitored and the related influence factors are analyzed. The results show that the downland headward erosion is the main fea-ture of the collapse mound erosion;there is a nonlinear relationship among the downland headward erosion, rainfall volume and rainfall intensity, also the downland headward erosion is related with variation of the erosion elevation and the vegetation cover-age. The occurrence and development of niche is the main cause for downland headward erosion. The more vigorously the niche develops, the faster the hill collapses. So, the key of downland collapse governance is to prevent the downland headward erosion.关键词
崩岗/侵蚀机理/降雨量/龛/溯源侵蚀/鄂东南Key words
downland collapse/erosion mechanism/rainfall volume/niche/headward erosion/southeast Hubei Province分类
资源环境引用本文复制引用
任兵芳,丁树文,吴大国,李双喜..鄂东南崩岗崩壁溯源侵蚀特征研究[J].人民长江,2015,(7):76-79,4.
