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United States Department of Agriculture

Agricultural Research Service

 

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)
EXTRACT CHEM*
new item
2.1.1 2013 Numerical software package for estimating changes in solution composition due to changes in soil water content (Windows-based)
FilmPC*
new item
3.0 2011 Estimates the film permeability (i.e., mass transfer coefficient) from the analysis of permeability cell concentration data (Windows-based)
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
 

Last Modified: 12/4/2013