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• Organization: Department of Agriculture
• Dataset Last Updated: November 21, 2025

STANMOD (STudio of ANalytical MODels) is a Windows based computer software package for evaluating solute transport in porous media using analytical solutions of the convection-dispersion solute...

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• Organization: Department of Agriculture
• Dataset Last Updated: November 21, 2025

SWMS_3D is a computer program for simulating water and solute movement in three-dimensional variably saturated media. The program numerically solves the Richards' equation for...

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• Organization: Department of Agriculture
• Dataset Last Updated: November 21, 2025

This research report documents the Fortran program N3DADE (Nonequilibrium 3-Dimensional Advection-Dispersion Equation) which may be used to evaluate analytical solutions described by Leij et al....

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