For teachers, an excellent core for your groundwater course! Because the content is public domain, "textbook" cost to students is $1.00 or less - the cost of a recordable CD!

IGS - Institute for Groundwater Studies, South Africa

• AQUADOC  (Windows) - Manual for AQUAWIN and NETGEN. Includes EXCELLENT tutorial.
• AQUAWIN (Windows) - Two-dimensional triangular finite element groundwater modeling package.
• ASMWIN (Windows) - Two-dimensional finite difference groundwater flow and transport model (includes particle tracking, finite-difference transport and random walk).
• NETGEN (Windows) - Network generator.
• RECHARGE (Windows) - Estimation of groundwater recharge by different methods, including chloride, water balance and isotopes. The program is implemented in an MS-EXCEL spreadsheet.

• N3DADE (1.0) - Analytical solutions for two- and three-dimensional non-equilibrium solute transport.
• RETC-WIN (6.0 Windows) - A computer program used to analyze the soil water retention and hydraulic conductivity functions of unsaturated soils.
• ROSETTA (1.0 Windows)  - A program to estimate unsaturated hydraulic properties from surrogate soil data such as soil texture data and bulk density.
• SWMS-3D (1.21) - Water and solute movement in 3-D variably saturated media.
• TETRANS (1.5) - One dimensional solute transport through unsaturated zone. Excellent manual.
• UNSATCHEM (2.0 Windows)- Water, heat, CO2 and solute movement in one dimensional variably saturated media. Excellent manual.
• UNSODA (2.0 Windows) - Database of unsaturated soil hydraulic properties (requires MicroSoft Access 97).

 

• BIOMOC (1.0) - A multispecies solute-transport model with biodegradation.
• GW Chart (1.0.1.0) - Graphing application for MODFLOW, MOC3D, ZONEBUDGET, SUTRA, and MT3D.
• HST3D (2.0.5 Win32) - Computer code for simulation of  heat and solute transport in three-dimensional groundwater flow systems.
• MOC (3.2.2)- Two-dimensional method-of-characteristics ground-water flow and transport model.
• MOC3D (3.5) - Three-dimensional method-of-characteristics ground-water flow and transport model.
• NETPATH (2.13) - An interactive program for calculating NET geochemical reactions and radiocarbon dating along a flow PATH.
• PHREEQC (2.2) - Aqueous geochemical calculations.
• PHREEQC I (2008 Windows)  - Aqueous geochemical calculations.
• PHRQGRF (2.2) - A computer program for graphical interpretation of PHREEQC geochemical transport simulations.
• PHRQPITZ (1.11) - A computer program incorporating Pitzer's equations for calculation of geochemical reactions in brines.
• TDDS  (6.0) - Time-dependent data system for simulation models
• VS2DI  (1.1) - Model for simulating water flow and energy transport in variably saturated porous media.
• WTAQ (1.0) -  A computer program for calculating drawdowns and estimating  hydraulic properties for confined and water-table aquifers

• BTEX - Multivariate plots of hydrocarbon analyses of groundwater samples.
• DPCT - Deterministic-Probabilistic Contaminant Transport code (DPCT) simulates contaminant transport in a vertical cross section.
• PC-PHREEQEP - Accurate calculations of mass transfer among aqueous and solid phases in very saline waters and brines.
• PIRS - Database containing environmental and classification information for approximately 175 pesticides.
• TRIPLOT - Trilinear plots of the relative abundance of the major ions of groundwater analyses.

• DISPERSE (Windows) - Predicts the size and duration of an MTBE or TBA plume.

• MINTEQA2 - Geochemical equilibrium speciation program and OUTSTANDING self study work manual.

• SPLIT 2.0 - Analytic-based modeling of single-layer groundwater flow in heterogeneous aquifers with capture-zone analysis and parameter estimation

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