4Phogat V, Malik R S, Kumar S . Modelling the effect of canal bed elevation on seepage and water table rise in a sand box filled with loamy soil[J] . Irrigation Science, 2008, 27 (3) : 191-200.
5imunek J, Sejna M, van Genuchten M Th . The HYDRUS-2D software package for simulating the two-dimensional movement of water, heat, and multiple solutes in variably-saturated media [ R ] . U. S. Salinity Laboratory, California, 1999.
6van Genuchten M Th . A closed-form equation for predicting the hydraulic conductivity of unsaturated soils LJ J . Soil Science Society of America Journal, 1980, 44(5 ) : 892-898.
7Brooks R H, Corey A T . Properties of porous media affecting fluid flow[J] . J . Irrig. Drainage Div . , ASCE Proc . , 1966, 72(IR2) : 61-88 .
8Vogel T, Cislerova M. On the reliability of unsaturated hydraulic conductivity calculated from the moisture retention curve[J] . Transport in Porous Media, 1988, 3: 1-15.
9Parlange J Y, Hill D E . Theoretical analysis of wetting front instability in soils [J] . Soil Science, 1976, 122: 236-239.
