The unsaturated hydraulic conductivity characteristic described by Mualem-Van Genuchten functions (Mualem and Dagan, 1978; Van Genuchten, 1980) was written as follows:
The unsaturated hydraulic conductivity characteristic described by Mualem-Van Genuchten functions (Mualem and Dagan,1978; Van Genuchten, 1980) was written as follows: