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Experimental Study of Soil Erosion in Different Slope

Guoxiang Zheng

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Abstract

The soil erosion of different slopes is studied by simulating rainfall.The results indicate that amounts of runoff and sediment content,total runoff and erosion is concave type slopemale slopecohesion slopestraight line slope,moreover,which is stronger with rainfall intensity and slope gradient.The erosion is weak on upper part and slope foot,and strong in middle lower part.Rill width and depth become bigger with rainfall intensity,erosion amount promptly enhances after rill appears,accounts for 91%.

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What this paper is about

The soil erosion of different slopes is studied by simulating rainfall.The results indicate that amounts of runoff and sediment content,total runoff and erosion is concave type slopemale slopecohesion slopestraight line slope,moreover,which is stronger with rainfall intensity and slope gradient.The erosion is weak on upper part and slope foot,and strong in middle lower part.Rill width and depth become bigger with rainfall intensity,erosion amount promptly enhances after rill appears,accounts for 91%.

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Available abstract

The soil erosion of different slopes is studied by simulating rainfall.The results indicate that amounts of runoff and sediment content,total runoff and erosion is concave type slopemale slopecohesion slopestraight line slope,moreover,which is stronger with rainfall intensity and slope gradient.The erosion is weak on upper part and slope foot,and strong in middle lower part.Rill width and depth become bigger with rainfall intensity,erosion amount promptly enhances after rill appears,accounts for 91%.

Key concepts: Surface runoff, Erosion, Rill, Vegetation and slope stability, Sediment, Hydrology (agriculture), Intensity (physics), Geology

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