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干热河谷不同活跃程度冲沟沟床土体抗冲性差异
Alternative TitleSoil Anti-scourability on Gully Beds with Different Active Degree in Dry-hot Valley Region
张素1,2,3; 熊东红2,3; 郑学用2,3,4; 张宝军2,3,4; 杨丹2,3,4; 郭敏2,3,4; 李首成1
Corresponding Author李首成
2015-06
Source Publication水土保持学报
ISSN1009-2242
Volume29Issue:3Pages:13-17
Other Abstract

为探明极端气候条件下干热河谷不同活跃程度冲沟沟床的抗侵蚀性能,选取活跃冲沟、较活跃冲沟和稳定冲沟三类沟床表层土体,设置0,50%和100%3个不同初始含水率的处理,进行原状土水槽冲刷试验。结果表明,不同活跃程度冲沟沟床的土体抗冲性有所差别, 其土体抗冲性在不同初始含水率条件下均表现为活跃冲沟<较活跃冲沟<稳定冲沟。初 始 含水率对冲沟土体抗冲性影响较大,随初始含水率的增加,三类活跃程度冲沟沟床的径流产沙量逐步降低,其土体抗冲性均表现为初始含水率0的土体抗冲性最弱,初始含水率50%的土体抗冲性次之,初始含水率为100% 的土体抗冲性最强。土体容重、粘粒含量在不同初始含水率条件下均是影响三类冲沟沟床土体抗冲性的关键因子。
 

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To study the differences in soil anti-erosion capability on gully beds with different active degree under extreme weather conditions,three different active gully beds(active gully bed,semi-active gully bed and stable gully bed)were selected to determine the soil anti-scourability(ANS)by carrying out undisturbed soil sample washing experiment,in which three soil initial water content treatments(0,50% and 100%) were established.The results indicated that soil ANS differed among the three gully beds with different active degree,which ranked in such an order:Active gully bed

Keyword冲沟沟床 侵蚀 初始含水率 土体抗冲性 干热河谷
Subject AreaS157.1
DOI10.13870/j.cnki.stbcxb.2015.03.003
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5456034
Funding Organization国家重点基础研究发展计划项目(2015CB452704) ; 中国科学院“西部之光”重点项目(Y4R2060060) ; 中国科学院水利部成都山地灾害与环境研究所“青年百人团队”项目(SDSQB-2011-01) ; 四川省应用基础研究计划项目(2014JY0067)
Citation statistics
Cited Times:5[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17856
Collection山地灾害与地表过程重点实验室
Affiliation1.四川农业大学农学院,成都 611130;
2.中国科学院山地灾害与地表过程重点实验室,成都 610041;
3.中国科学院水利部成都山地灾害与环境研究所,成都 610041;
4.中国科学院大学,北京 100049
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
张素,熊东红,郑学用,等. 干热河谷不同活跃程度冲沟沟床土体抗冲性差异[J]. 水土保持学报,2015,29(3):13-17.
APA 张素.,熊东红.,郑学用.,张宝军.,杨丹.,...&李首成.(2015).干热河谷不同活跃程度冲沟沟床土体抗冲性差异.水土保持学报,29(3),13-17.
MLA 张素,et al."干热河谷不同活跃程度冲沟沟床土体抗冲性差异".水土保持学报 29.3(2015):13-17.
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