Soil Loss Equation of Lushan Earthquake Area

LIU Bin-tao; SONG Chun-feng; SHI Zhan; TAO He-ping

doi:10.11988/ckyyb.20140674

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Journal of Changjiang River Scientific Research Institute ›› 2016, Vol. 33 ›› Issue (1) : 15-19. DOI: 10.11988/ckyyb.20140674

WATER-SOIL CONSERVATION AND ECO-CONSTRUCTION

Soil Loss Equation of Lushan Earthquake Area

LIU Bin-tao¹,SONG Chun-feng¹,SHI Zhan²,TAO He-ping¹

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Abstract

Many secondary disasters such as collapse, landslide and debris flow were induced by Lushan earthquake. The vegetation was seriously destroyed and ecological environment was under serious threat. The most effective method for quantificationally evaluating the regional soil erosion is to establish the soil loss equation. Through summarizing the soil loss investigation and assessment results in Lushan earthquake area, we described the soil loss equation which had been used in Lushan earthquake area. The specific calculation methods of rainfall erosivity factor, soil erodibility factor, slope length and slope gradient factor, surface cover and management factor and the soil and water conservation measures factor were given in this paper. This equation can be referenced for the investigation and dynamic monitoring of soil and water loss, the soil and water conservation planning and the ecological reconstruction of Lushan earthquake area.

Key words

soil and water conservation / Lushan earthquake area / soil loss / water conservancy survey / rainfall erosivity

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LIU Bin-tao,SONG Chun-feng,SHI Zhan,TAO He-ping. Soil Loss Equation of Lushan Earthquake Area[J]. Journal of Changjiang River Scientific Research Institute. 2016, 33(1): 15-19 https://doi.org/10.11988/ckyyb.20140674

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