• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

Field data used to support numerical simulations of variably-saturated flow focused on variability in soil-water retention properties for the U.S. Geological Survey Bay Area Landslide Type (BALT)...

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• Organization: Department of the Interior
• Updated: 2023-07-10T00:00:00Z

A 3-dimensional (3D) synthetic model, using MODFLOW-NWT and MT3D-USGS, explores the new unsaturated zone heat transport capabilities in MT3D-USGS. Model simulations were used to explore various...

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• Organization: Department of the Interior
• Updated: 2023-05-18T00:00:00Z

Six hypothetical 1-dimensional models are used to verify and demonstrate new unsaturated-zone heat transport functionality added to MT3D-USGS (version 1.1.0). Because the governing equations...

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• Organization: Department of the Interior
• Updated: 2023-01-18T00:00:00Z

This USGS data release presents tabular data and a model archive used to estimate seepage rates at 19 locations on the Truckee Canal for the 2018 and 2019 irrigation seasons. This supplemental...

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• Organization: Department of Agriculture
• Updated: 2025-11-22

UNSATCHEM is a software package for simulating water, heat, carbon dioxide and solute movement in one-dimensional variably saturated media. The software consists of the UNSCHEM (version 2.0)...

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• Organization: Department of Agriculture
• Updated: 2025-11-21

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
• Updated: 2024-02-15

HYDRUS-1D is a Microsoft Windows-based modeling environment for analysis of water flow and solute transport in variably saturated porous media. The software package includes the one-dimensional...

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• Organization: Department of Agriculture
• Updated: 2025-11-21

SWMS_2D is a computer program for simulating water and solute movement in two-dimensional variably saturated media. The program numerically solves the Richards' equation for saturated-unsaturated...

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• Organization: Department of the Interior
• Updated: 2023-01-18T00:00:00Z

Two-dimensional variably saturated heat and flow models (VS2DH) were used to examine seepage rates at 19 transects in the Truckee Canal system during the 2018 and 2019 irrigation seasons. The...

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• Organization: Department of the Interior
• Updated: 2023-07-10T00:00:00Z

A 3-dimensional (3D) synthetic model, built for running with MODFLOW-NWT and MT3D-USGS, explores the new unsaturated zone heat transport capabilities in MT3D-USGS. Model simulations explore...

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• Organization: Department of Agriculture
• Updated: 2024-02-15

The HYDRUS program is a finite element model for simulating the one-dimensional movement of water, heat, and multiple solutes in variably saturated media. The program numerically solves the...

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