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Universal soil loss equation (view source)

Revision as of 15:59, September 13, 2011

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'''Universal soil loss equation''' or USLE is an [[erosion]] model designed to predict the long-term average soil losses in runoff from specific field areas in specified cropping and management systems.
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The equation is: A = RKLSCP
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where A = Computed soil loss per unit area
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R = Rainfall and runoff factor
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K = Soil erodibility factor
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L = Slope-length factor
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S = Slope-steepness factor
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C = Cover and management factor
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P = Support practice factor
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The NRI calculations use location-specific data for the field in which the NRI sample point falls or that portion of the field surrounding the point that would be considered in conservation planning.
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==References==
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[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology] <br>
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[[Category:Agriculture]]
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{{USDA_Terms}}
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