[1]李瑞,李勇,刘云芳.贵州喀斯特地区降雨与坡面土壤侵蚀关系研究[J].水土保持研究,2012,19(03):7-11.
 LI Rui,LI Yong,LIU Yun-fang.Study of Rainfall and Soil Erosion on Slope in Karst Region of Guizhou Province[J].,2012,19(03):7-11.
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贵州喀斯特地区降雨与坡面土壤侵蚀关系研究()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
19卷
期数:
2012年03期
页码:
7-11
栏目:
出版日期:
2099-01-01

文章信息/Info

Title:
Study of Rainfall and Soil Erosion on Slope in Karst Region of Guizhou Province
作者:
李瑞1 李勇1 刘云芳2
1. 贵州省水土保持技术咨询研究中心, 贵阳 550002;
2. 贵州省水土保持监测站, 贵阳 550002
Author(s):
LI Rui1 LI Yong1 LIU Yun-fang2
1. Soil and Water Conservation Technical Consulting and Research Center of Guizhou Province, Guiyang 550002, China;
2. Guizhou Monitoring Station of Soil and Water Conservation, Guiyang 550002, China
关键词:
喀斯特地区降雨产沙土壤侵蚀相关关系
Keywords:
Karst regionrainfallsediment yieldsoil erosioncorrelation
分类号:
S157
摘要:
为研究贵州喀斯特地区降雨与坡面土壤侵蚀的关系,选取位于黔南州龙里县的羊鸡冲小流域径流小区进行降雨产沙观测。采用回归分析方法对雨量、雨强和泥沙关系进行相关分析。5种不同种植模式的径流小区线性、多项式关系分析表明,降雨量和产沙量相关性较高,相关系数均超过了0.5。线性、多项式显著性检查表明,5种不同种植模式在0.05的显著性水平上,降雨量-泥沙量均呈显著正相关;而雨强和产沙量关系并不明显,决定系数均在0.1左右。此外,该文还探讨了坡面产沙的其它影响因素,如林冠截留、土壤入渗等。
Abstract:
In order to study the relationship between rainfall and soil erosion on slope in small watershed in Karst region of Guizhou, runoff plots which are located in the Longli County, Qiannan Prefecture, Guizhou Province were selected for experimental observation. The regression analysis method was used to analyze the correlation between rainfall (rainfall intensity) and sediment yield. Linear, polynomial relationship analysis indicated that the correlation between rainfall and runoff on slope was high, correlation coefficients were more than 0.5. At the 0.05 significance level, linear, polynomial significant examination showed rainfall was significantly correlated with sediment yield of 5 different planting patterns; and relation between rainfall intensity and sediment yield on slope was not obvious, the determination coefficient (R2) was about 0.1. In addition, this paper also discussed the other factors influencing erosion on the slope such as the canopy interception, infiltration and so on.

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备注/Memo

备注/Memo:
收稿日期:2011-10-22;改回日期:2011-11-8。
基金项目:贵州喀斯特地区典型小流域降雨与径流泥沙关系研究(黔科合J字[2008]2076);贵州喀斯特地区土壤侵蚀机理及水土流失预测(KT200703)
作者简介:李瑞(1979- ),男,贵州六盘水人,博士,主要研究方向为水土保持与荒漠化防治。E-mail:rlfler@126.com
通讯作者:孙保平(1956- ),男,山西原平人,教授,博士生导师,研究方向:荒漠化防治、工程绿化。E-mail:sunbp2008@sina.com
更新日期/Last Update: 1900-01-01