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坑状浅沟侵蚀研究 被引量:9

Study on Hole-Ephemeral Gullies Erosion
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摘要 坑状浅沟作为浅沟与切沟的中间过程,深入理解它对于进一步认识切沟侵蚀规律具有十分重要的意义,但是还没有见到相关的研究报道。以内蒙古高原的一个小流域为例,利用高精度的全球定位系统(GPS)测量坑状浅沟侵蚀的形态参数,探讨了坑状浅沟的相关特征,分析了坑状浅沟的坡度(S)和上有集水区面积(A)的关系(S-A)、侵蚀体积(V)和长度(L)的关系(V-L),以期能推动坑状浅沟侵蚀的研究。 Hole-ephemeral gully is a media process between ephemeral gully and gully. It has very important significance for us to understand in advance the laws of gully erosion. However, little research on hole-ephemeral gullies in prior literatures has been done. A small catchment on the inner-Mongolian Plateau is regarded as a case study and Global Position System (GPS) is used to measure the morphology parameters of hole-ephemeral gullies and topography of the study area. It discusses relative characteristics of hole-ephemeral gullies and analyzes the relationship (S - A) between slope gradient (S) at gully head and upslope drainage area (A) for hole-ephemeral gullies and the relationship (V - L) between lengths (L) and erosion volumes (V) for hole-ephemeral gullies in order to promote the studies on hole-ephemeral gullies.
出处 《水土保持学报》 CSCD 北大核心 2006年第2期39-41,58,共4页 Journal of Soil and Water Conservation
基金 国家科技攻关项目(批准号:2005BA517A06) 国家自然科学基金项目(批准号:40301025) 国家自然科学基金重点项目(批准号:10532030)资助
关键词 坑状浅沟 土壤侵蚀 全球定位系统 内蒙古高原 hole-ephemeral gullies soil erosion Global Position System (GPS) the Inner Mongolian Plateau
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参考文献15

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二级参考文献6

  • 1陈永宗,地理科学,1984年,4卷,4期
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  • 6刘元保,中国科学院西北水土保持研究所集刊,7期

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