tanB= slope angle bla b Slope for 'landscape unit of analysis'eg plot Index of hydraulic gradient Soil attributes affecting T(transmissivity) a. Soil depth and texture b Soil porosity C Hydraulic conductivity• tan = slope angle = b/a • Slope for ‘landscape unit of analysis’ eg. plot • Index of hydraulic gradient • Soil attributes affecting T (transmissivity) - a. Soil depth and texture - b. Soil porosity - c. Hydraulic conductivity b a 