| 不同立地条件下坡面水土流失的差异性试验研究 |
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| 引用本文： | 杨春霞,姚文艺,肖培青,王玲玲,申震洲.不同立地条件下坡面水土流失的差异性试验研究[J].水土保持研究,2010,17(1):222-224. |
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| 作者姓名： | 杨春霞 姚文艺 肖培青 王玲玲 申震洲 |
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| 作者单位： | 黄河水利科学研究院水利部黄河泥沙重点实验室, 郑州, 450003 |
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| 基金项目： | 国家重点基础研究发展规划(2007CB407201); 水利部公益性行业科研专项经费项目(200701035); 黄科院科技发展基金(黄科发200806) |
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| 摘 要： | 耕作活动和植被建设是人类活动的重要组成部分,以裸地、农地、草地和灌木林地(刚栽植)为研究对象,以人工降雨试验为研究手段,研究不同立地条件下的水土流失差异,并对坡面侵蚀形态进行分析.研究表明:草地的减水减沙作用最明显,坡面产生跌坎和细沟的时间最晚,与裸地相比,减少产沙量97.24%～99.63%、减少径流量62.04%～80.46%,受栽植活动扰动影响,刚栽植的灌木林地没有水土保持作用,且坡面上栽植密度越大水土流失越严重,坡面侵蚀沟贯通且呈宽深的“V”型;农地的水土流失与裸地相比与降雨强度有关,小雨强条件下农地产沙量和径流量均小于裸地,大雨强条件下产沙量和径流量大于裸地;因此科学栽植并做好耕作或植被建设活动期间的水土流失预防工作十分必要.
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| 关 键 词： | 减水减沙 侵蚀形态 立地条件 人工降雨 |
Differences of Slope Erosion Under Different Site Conditions by Experimental Study |
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| YANG Chun-xia,YAO Wen-yi,XIAO Pei-qing,WANG Ling-ling,SHEN Zhen-zhou.Differences of Slope Erosion Under Different Site Conditions by Experimental Study[J].Research of Soil and Water Conservation,2010,17(1):222-224. |
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| Authors: | YANG Chun-xia YAO Wen-yi XIAO Pei-qing WANG Ling-ling SHEN Zhen-zhou |
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| Institution: | Yellow River Institute of HydrauLic Research Key Laboratory of Yellow River Sediment Research, MWR, Zhengzhou, 450003, China |
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| Abstract: | Farming activities and vegetation construction is an important part of human activity,this paper takes bare land,agricultural land,grassland and shrub land(newly planted)as the research object,and by the means of rainfall simulation experiment to study the difference of soil erosion on different site conditions,and analyze the morphological of slope erosion.Studies have shown that:the grassland showed the most obvious effect of reducing erosion and runoff,and the latest appearing the hole and rill among the... |
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| Keywords: | runoff and sediment reductions erosion patterns site condition rainfall simulation |
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