US Salinity Laboratory Products and Services

Model Descriptions
Model names followed by an can be downloaded from their abstract pages*

Name	Version	Year	Purpose

CFITM	1.0	1980	Estimates CDE solute transport parameters (v, D) from analysis of column breakthrough data
CFITIM	1.0	1981	Estimates parameters in several equilibrium and non-equilibrium transport models from solute breakthrough curves
CHAIN	1.0	1984	Evaluates analytical solutions for convective-dispersive transport of solutes subject to consecutive decay chain reactions (up to 4 solutes)
CHAIN 2D^*	1.1	1994	Simulates the movement of water, heat and multiple solutes in two-dimensional variably-saturated porous media
CXTFlT^*	2.0	1995	Estimates parameters in several equilibrium and non-equilibrium transport models from laboratory or field tracer experiments
3DADE*	1.0	1994	Evaluates analytical solutions for two- and three-dimensional equilibrium solute transport
DISC	1.0	2000	Computer software for analyzing tension disc infiltrometer data by parameter estimation
ESAP^*	2.35	2006	Statistical software package for estimating field scale spatial salinity patterns from electromagnetic induction signal data (for Windows XP)
FilmPC^*	3.0	2011	Estimates the film permeability (i.e., mass transfer coefficient) from the analysis of permeability cell concentration data
GEOPACK^*	1.0	1990	Geostatistical software package for analyzing spatially correlated data
HYDRUS^*	6.0	1998	Simulates water, heat and solute movement in one-dimensional variably-saturated porous medium
HYDRUS-1D^*	3.01	2005	Simulates water, heat and (nonlinear and non-equilibrium) solute movement in one-dimensional variably-saturated porous medium. Windows-based graphical user interface
N3DADE^*	1.0	1997	Evaluates analytical solutions for two- and three-dimensional non-equilibrium solute transport
RETC^*	WIN DOS	1998 1991	Analyzes the hydraulic properties of unsaturated soils
ROSETTA^*	1.0	1999	Estimates water retention, saturated and unsaturated hydraulic conductivity from basic soil data
SALT	1.0	1983	Analyzes crop salt tolerance response data
SOILC02	1.2	1994	A predictive simulation model based on process oriented relationships
STANMOD^*	2.2	2003	Computer Software for Evaluating Solute Transport in Porous Media Using Analytical Solutions of the Convection-Dispersion Equation
SWMS-2D^*	1.21	1994	Simulates water and solute movement in two-dimensional variably saturated media
SWMS-3D^*	1.0	1995	Simulates water and solute movement in three-dimensional variably saturated media
TETRANS	1.5 PC 1.6 Mac	1995	Estimates one-dimensional solute transport through the vadose zone under transient-state conditions
UNSATCHEM-2D	1.1	1993	A two-dimensional finite element code for modeling major ion equilibrium and kinetic non-equilibrium chemistry in variably saturated porous media.
UNSATCHEM^*	2.0	1996	Simulates water, heat, carbon dioxide and solute movement in one-dimensional variably saturated media
UNSODA^*	2.0	1999	Database and program for indirect methods of estimating unsaturated hydraulic properties
WATSUIT^*	1.0	2001	Predicts the salinity, sodicity, and toxic-solute concentration

Model Descriptions