• Organization: U.S. Environmental Protection Agency
• Updated: 2016-08-12

The data presented in this data file is a product of a journal publication. The dataset contains formaldehyde air concentrations in the emission test chamber and source emission model simulation...

• xml

• Organization: Department of the Interior
• Updated: 2024-10-21T00:00:00Z

This dataset includes the one-dimensional HEC-RAS water quality model simulation input and output files for two simulation discharges at the Lazy Day (LD) reach on the Big Piney River near St....

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-10-21T00:00:00Z

This dataset includes the one-dimensional HEC-RAS water quality model simulation input and output files for three simulation discharges at the Wallens Bend reach on the Clinch River near Kyles...

• xml
• xml

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

3DADE is a Fortran computer program for evaluating a series of analytical solutions of the 3-Dimensional Advection-Dispersion Equation. The analytical solutions pertain to three-dimensional solute...

• html

• Organization: National Institute of Standards and Technology
• Updated: 2023-07-17 00:00:00

A violent tornado outbreak occurred on December 10-11, 2021 in the Midwest US. One of the tornadoes, known as the Quad-State tornado, tracked across four states and devastated the downtown area of...

• pdf
• csv

• 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...

• html

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

This research report documents the Fortran program N3DADE (Nonequilibrium 3-Dimensional Advection-Dispersion Equation) which may be used to evaluate analytical solutions described by Leij et al....

• html

• 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...

• html