USGS Groundwater Information
SEAWATNew & NoteworthyModelMuse: Graphical User Interface for MODFLOW-2005 and PHAST (TM 6-A29) Groundwater: Ground water versus groundwater (OGW Technical Memo 2009.03) Field Techniques for Estimating Water Fluxes Between Surface Water and Ground Water (TM 4–D2) Ground-Water Availability in the United States (Circular 1323) USGS in Your StateUSGS Water Science Centers are located in each state. |
SEAWAT-2000: A Version of MODFLOW-2000 with the Variable-Density Flow Process and the Integrated MT3DMS Transport ProcessBy Christian D. Langevin (U.S. Geological Survey, Fort Lauderdale, Florida), OverviewSEAWAT-2000 is a previous release of the SEAWAT computer program for simulation of three-dimensional, variable-density, transient ground-water flow in porous media. SEAWAT-2000 was designed by combining a modified version of MODFLOW-2000 and MT3DMS into a single computer program. The code was developed using the MODFLOW-2000 concept of a process, which is defined as part of the code that solves a fundamental equation by a specified numerical method. SEAWAT-2000 contains all of the processes distributed with MODFLOW-2000 and also includes the Variable-Density Flow Process (as an alternative to the constant-density Ground-Water Flow Process) and the Integrated MT3DMS Transport Process. Processes may be active or inactive, depending on simulation objectives; however, not all processes are compatible. For example, the Sensitivity and Parameter Estimation Processes are not compatible with the Variable-Density Flow and Integrated MT3DMS Transport Processes. The SEAWAT-2000 computer code was tested with the common variable-density benchmark problems and also with problems representing evaporation from a salt lake and rotation of immiscible fluids. Information & Downloads
The SEAWAT program was developed with the support of the USGS Place Based Science Program and the USGS Groundwater Resources Program. |