ISWC OpenIR  > 水保所知识产出(1956---)
重粉质壤土坡面细沟侵蚀发育规律实验分析
薛姣姣1; 王健1,2; 李鹤1; 王友1; 周米京2
2016
Source Publication灌溉排水学报
Volume35Issue:1Pages:67-70
Abstract

通过室内放水冲刷实验,研究了重粉质壤土在5种不同坡度下细沟侵蚀发育的水动力学特性、细沟水流含
沙量的变化以及细沟断面的发育规律。结果表明,流量为700L/h条件下,细沟断面沟宽、沟深均随坡度的增加而
增加,沟深与沟宽发育速度正相关;宽深比随着坡度的增大而减小,各坡度的宽深比均稳定在1.5~2之间;细沟断
面形态系数变化于0.418~0.892之间,随着细沟的发育逐渐增大,细沟断面形态由宽浅形向窄深形发育;坡面细
沟水流流速伴随细沟的发育而减小,可用幂函数方程描述;细沟水流含沙量随细沟发育逐渐趋于稳定,与细沟断面
形态系数正相关。

Other Abstract

The development law of dynamic characteristics,sediment concentration change and rill crosssectional
morphology of rill erosion of the heavy silty loam in five different slopes were carried out through
inside flume experiment.The results showed that under the flow of 700L/h,rill cross section parameters
of rill width and rill depth increased with the slope grade rising,the development speed of rill depth was
positively correlated with rill width and the width depth ratio of each slope was stable from 1.5to 2;
Width depth ratio decreased with the increase of slope,characterization of rill cross-section developed from
wide shallow form to narrow deep form,and cross section morphological coefficient varied from 0.418~
0.892and was gradually increasing with the development of rill.The rill flow velocity decreased with the
development of rill,and could be described by index equation;The sediment concentration was basically
stable with the development of rill and positively related to the cross section morphological coefficient.

Keyword细沟侵蚀 水力学特性 水流含沙量 断面形态参数
Indexed By中文核心期刊要目总览
Language中文
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8710
Collection水保所知识产出(1956---)
Affiliation1.西北农林科技大学水土保持研究所
2.西北农林科技大学资源环境学院
Recommended Citation
GB/T 7714
薛姣姣,王健,李鹤,等. 重粉质壤土坡面细沟侵蚀发育规律实验分析[J]. 灌溉排水学报,2016,35(1):67-70.
APA 薛姣姣,王健,李鹤,王友,&周米京.(2016).重粉质壤土坡面细沟侵蚀发育规律实验分析.灌溉排水学报,35(1),67-70.
MLA 薛姣姣,et al."重粉质壤土坡面细沟侵蚀发育规律实验分析".灌溉排水学报 35.1(2016):67-70.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[薛姣姣]'s Articles
[王健]'s Articles
[李鹤]'s Articles
Baidu academic
Similar articles in Baidu academic
[薛姣姣]'s Articles
[王健]'s Articles
[李鹤]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[薛姣姣]'s Articles
[王健]'s Articles
[李鹤]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.