EXH AR020493: VS2DI Graphical Software — Fluid Flow & Solute/Energy Transport, Variably Saturated Porous Media

VS2DI is a graphical software package developed by the U.S. Geological Survey for simulating how fluids flow and how solutes or energy move through variably saturated porous media such as soil and rock. The software includes a preprocessor for entering simulation data, a postprocessor for visualizing results, and a numerical model engine. It was published in 2000 as part of the USGS Water-Resources Investigations Report series.

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VS2DI graphical software package user documentation published by the U.S. Geological Survey (USGS) as Water-Resources Investigations Report 99-4130, authored by Paul A. Hsieh, William Wingle, and Richard W. Healy, Lakewood, CO, 2000. Describes a software tool for simulating fluid flow and solute or energy transport in variably saturated porous media, including preprocessor, postprocessor, pull-down menus, spatial data entry, model input files, model output files, and saved simulation files. Filed as Administrative Record exhibit AR020493 in the PCHB Third Runway EIS proceeding.

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