ISWC OpenIR  > 水保所知识产出(1956---)
黄土质地对坡面侵蚀的影响
盛贺伟1; 蔡强国2; 孙莉英2
2016
Source Publication水土保持学报
Volume30Issue:1Pages:31-35
Abstract

采用室内人工模拟降雨试验,研究了黄土质地对坡面侵蚀的影响,并探讨了降雨、地形(坡度和坡长)
及黄土土质对坡面侵蚀的综合作用。试验设计包括3种质地黄土(黄绵土、黑垆土和塿土)、4个坡度(10°,
15°,20°和25°)、2个坡长(5m和10m)和2个总降雨量相同的降雨强度(90,120mm/h)。结果表明:在相
同降雨条件下,塿土降雨过程中入渗缓慢,产流时间快于黑垆土与黄绵土,塿土坡面的径流总量高于黑垆
土和黄绵土坡面。坡度对单宽产流率无影响。各因子按对单宽产流率影响程度从大到小依次为坡长、雨
强、粘粒含量和有机质;各因子按对单宽产沙量按影响程度从大到小依次为坡长、土壤颗粒几何平均直径、
雨强、有机质含量和坡度。

Other Abstract

The impacts of loessial texture on slope erosion and the comprehensive impacts of different influencing
factors were investigated through the indoor simulated rainfall experiments.This experimental design included 3
kinds of soil texture(Lou soil,Heilu soil and loessial soil),4slope gradients(10°,15°,20°and 25°),2
rainfall intensities(90mm/h and 120mm/h)with the same total rainfall amount,and 2slope lengths(5m
and 10m).The results showed that the infiltration rate of Lou soil was the lowest under the same rainfall
conditions,with the shortest runoff-yielding time and the highest runoff amount.The effects of the slope
gradient on runoff generation rate per unit width were not significant.The impacts of the other factors on the
runoff generation rate per unit width followed the order of slope length>rainfall intensity>clay content>
organic matter content.The impacts of the other factors on the sediment generation rate per unit width
followed the order of slope length>geometric mean diameter of soil particles>rainfall intensity>clay content
>organic matter content>slope gradient.

Keyword黄土质地 坡面侵蚀 细沟发育 人工模拟降雨
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/361005/8621
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黄土高原土壤侵蚀与旱地农业国家重点实验室
2.中国科学院地理科学与资源研究所陆地水循环与地表过程重点实验室
Recommended Citation
GB/T 7714
盛贺伟,蔡强国,孙莉英. 黄土质地对坡面侵蚀的影响[J]. 水土保持学报,2016,30(1):31-35.
APA 盛贺伟,蔡强国,&孙莉英.(2016).黄土质地对坡面侵蚀的影响.水土保持学报,30(1),31-35.
MLA 盛贺伟,et al."黄土质地对坡面侵蚀的影响".水土保持学报 30.1(2016):31-35.
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