Higher grid resolution where you need it
with the speed and simplicity of GMS


Application:Groundwater Flow Modeling
Method:Finite Difference
Model Type:3D
Developer:U.S. Geological Survey


GMS provides a custom interface to the MODFLOW-LGR model offering a simple way to set model parameters and a graphical user interface to run the model and visualize the results. Gather background data from a variety of sources from GIS to CAD and access online data from numerous databases of maps, images, and elevation data. GMS allows you to interact with models in true 3D taking advantage of optimized OpenGL graphics and to create photo-realistic renderings and animations for PowerPoint, print, and web presentations.

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MODFLOW-LGR Description:
MODFLOW-LGR is a modified version of MODFLOW-2005 that allows for local grid refinement using multiple grids. MODFLOW-LGR allows for the creation of more refined child grids in areas of particular interest resulting in higher grid resolution where it is needed and better model run performance & increased model stability. Parent and child grids may be run coupled (default) or independent depending on the need.