Slope length factor for applying the USLE-M to erosion in grid cells

P. I.A. Kinnell

doi:10.1016/S0167-1987(00)00179-3

Slope length factor for applying the USLE-M to erosion in grid cells

P. I.A. Kinnell^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

Often, the modelling of the spatial variation in erosion in catchments involves using the universal soil loss equation (USLE) to predict erosion in grid cells. However, the impact of variations of runoff from upslope caused by factors other than space is ignored if slope length is determined from nothing more than the drainage area as is the current practice when the USLE is applied to grid cells. The USLE-M, a version of the USLE based on event erosivity being described by the product of the runoff ratio and the EI₃₀ index, requires the use of a slope length factor that is hydrologically based.

Original language	English
Pages (from-to)	11-17
Number of pages	7
Journal	Soil and Tillage Research
Volume	58
Issue number	1-2
DOIs	https://doi.org/10.1016/S0167-1987(00)00179-3
Publication status	Published - 2001

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abstract = "Often, the modelling of the spatial variation in erosion in catchments involves using the universal soil loss equation (USLE) to predict erosion in grid cells. However, the impact of variations of runoff from upslope caused by factors other than space is ignored if slope length is determined from nothing more than the drainage area as is the current practice when the USLE is applied to grid cells. The USLE-M, a version of the USLE based on event erosivity being described by the product of the runoff ratio and the EI30 index, requires the use of a slope length factor that is hydrologically based.",

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AB - Often, the modelling of the spatial variation in erosion in catchments involves using the universal soil loss equation (USLE) to predict erosion in grid cells. However, the impact of variations of runoff from upslope caused by factors other than space is ignored if slope length is determined from nothing more than the drainage area as is the current practice when the USLE is applied to grid cells. The USLE-M, a version of the USLE based on event erosivity being described by the product of the runoff ratio and the EI30 index, requires the use of a slope length factor that is hydrologically based.

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KW - Soil erosion

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DO - 10.1016/S0167-1987(00)00179-3

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ER -

Slope length factor for applying the USLE-M to erosion in grid cells

Abstract

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