Soil Erosion Process in Sloped Shrub Plots under Simulated Rainfall

Pei Qing Xiao; Wen Yi Yao; Chang Gao Wang

doi:10.4028/www.scientific.net/AMR.347-353.2094

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 347-353Soil Erosion Process in Sloped Shrub Plots under...

Soil Erosion Process in Sloped Shrub Plots under Simulated Rainfall

Abstract:

Runoff, sediment yield and infiltration process of shrub plots were studied under rainfall intensities of 45, 87 and 127 mm/h with 20° slope gradient using simulated rainfall experiment. The results showed that cumulative runoff and cumulative sediment yield of shrub plot had an obvious positive correlation with rainfall time. Under rainfall intensity of 45 mm/h, runoff and sediment yield of shrub plot kept a constant level. Under rainfall intensity of 87 mm/h, runoff kept a fluctuant increase, whereas sediment yield basically kept steady. Under rainfall intensity of 127 mm/h, runoff and sediment yield of shrub plot increased evidently due to the formation of erosion pits. Infiltration rate of shrub plot had a negative relation with runoff as well as sediment yield.

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Periodical:

Advanced Materials Research (Volumes 347-353)

Pages:

2094-2097

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.347-353.2094

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Online since:

October 2011

Authors:

Pei Qing Xiao, Wen Yi Yao, Chang Gao Wang

Keywords:

Infiltration, Runoff, Sediment Yield, Shrub

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