Implications of Hysteresis on the Horizontal Soil Water Redistribution after Infiltration

Although soil water redistribution is critical for a number of problems, rather limited study this process has been reported up to now and especially as regards the implications hysteresis on horizontal after infiltration. To end, thorough theoretical numerical investigation redistributed content profiles formed cessation infiltration presented. A different initial contents before initiation depths were analyzed using HYDRUS-1D software package considering appropriate hysteretic wetting drying curves. The effect neglecting was also investigated same conditions. main boundary curves studied porous medium hydraulic conductivity at saturation experimentally determined. analysis indicated that form in presence similar original profile independently whether taken or curve type. Specifically, relatively short time process, magnitude matrix head gradient tended zero due hysteresis, resulted an insignificant movement, although values still high. In addition, proceeded faster rate than smallest depth prior redistribution, it during early stages redistribution. Accordingly, important simulation is, example, case localized irrigation systems’ design management.