Input
1.0 bare ground, 0.001 dense forest
1.0 none, 0.5 contour
Results
LS factor (McCool)—
Soil loss A (t/ha/yr)—
Total soil loss for area (t/yr)—
A vs T tolerable—
Method
A = R · K · LS · C · P (t/ha/yr). LS via McCool: m = β/(1+β) where β = (sinθ/0.0896)/(3·sin^0.8 θ + 0.56); LS = (L/22.13)^m · (65.41·sin²θ + 4.56·sinθ + 0.065). Tolerable T typically 11 t/ha/yr (5 ton/acre). Above T → erosion control required.