[1]SHEN Zhen-zhou,YAO Wen-yi,LI Mian,et al.Study on Soil Erosion Sediment Under Different Underlying Horizon[J].Research of Soil and Water Conservation,2010,17(01):6-9.
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Study on Soil Erosion Sediment Under Different Underlying Horizon
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
17
Number of periods:
2010 01
Page number:
6-9
Column:
Public date:
2010-02-20
- Title:
- Study on Soil Erosion Sediment Under Different Underlying Horizon
- Keywords:
- underlying surface; runoff; soil erosion
- CLC:
- S157.1
- DOI:
- -
- Abstract:
- The runoff amount and soil erosion amount on different rainfall and different underlying horizon were analyzed in base of yellow river institute of hydraulic research at 2008.The results show:the runoff of bare slope and farm slope were increasingly with time,they got the steady runoff at experiment 30 min,they are 10 kg/min which is 40 times that of grass slope in small rainfall;the runoff amount of bare slope and farm slope are 7 times that of grass slope in middle rainfall;the runoff of grass slope was slowly increasing at the initial stage,it got the steady runoff at experiment continue 12 min,it’s 10 kg/min in heavy rainfall,the runoff of bare slope and farm slope were rapidly increasing at the initial stage,they got the maximum runoff at experiment continue 20 min,then they keep a low-level runoff amount in heavy rainfall.The soil erosion of bare slope and farm slope were 10 kg which were 20 times that of grass slope in small rainfall;The soil erosion amount of bare slope and farm slope is 100 times that of grass slope in middle rainfall;the soil erosion of bare slope and farm slope were rapidly increasing at the initial stage,they got the maximum soil erosion at experiment continue 18 min,then they keep a low-level soil erosion amount in heavy rainfall;the grass to cover slope could reduce the soil erosion in small and middle rainfall on the Loess Plateau.
- References:
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1900-01-01