TheLS-TOOLalgorithmcanautomaticallycalculateslopelength,slopesteepness,Lfactor,Sfactor,andLSfactors,providingtheresultsasASCIIfileswhichcanbeeasilyusedinsomeGISsoftware.Thisstudyisanimportantstepforwardinconductingaccuratelarge-scaleerosionevaluation.