Universal Soil Loss Equation on spatial inputs
The USLE for estimating average annual soil erosion is:
A = RKLSCP
The erosivity index is a statistic calculated from the annual summation of rainfall energy in every storm (correlates with raindrop size) times its maximum 30 - minute intensity. As expected, it varies geographically.
R rainfall erosivity index queiried from USDA RUSLE database
K ?Surgo?
LS slope length and slope determined from elevations using elevatR
C is a user specified landuse and lookup-table table for C values
P is user specified
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