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A '''Wind erosion''' equation or WEQ is an erosion model designed to predict long-term average annual [[soil]] losses from a field having specific characteristics.
The equation is: E = f(IKCLV)
where E = Estimated average annual soil loss expressed in tons per acre per year
I = Soil erodibility index
K = Soil ridge roughness factor
C = Climatic factor
L = Equivalent unsheltered distance across the field along the prevailing wind erosion direction
V = Equivalent vegetative cover
==References==
[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology] <br>{{USDA Terms}}