I am calculating soil erosion rates in Aringale Watershed of Salyan, Nepal. How to calculate field slope length ( λ) using L = (λ/22.13) power m formula?
One of the ways to do it in ArcMap is using 'Raster Calculator' under the 'Map Algebra' toolset of the 'Spatial Analyst Tools' extension. The equation can be written using the power function something like: