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MODFLOW simulation. MODFLOW is the U.S. Geological Survey modular finite-difference flow model, which is a computer code that solves the groundwater flow equation.The program is used by hydrogeologists to simulate the flow of groundwater through aquifers.
This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality. Notice that 'free and open-source' requires that the source code is available and users are given a free software license.
Analysis and Evaluation of Pumping Test Data (PDF) (Second ed.). Wageningen, The Netherlands: International Institute for Land Reclamation and Improvement. ISBN 90-70754-20-7. Excellent treatment of most aquifer test analysis methods (but it is a hard-to-find book). Boonstra, J.; Kselik, R.A.L. (2002). SATEM 2002: Software for aquifer test ...
Recently FEHM has been embedded into SVOFFICE™5/WR from SoilVision Systems Ltd, a GUI driven water resources numerical modeling framework. This marriage of GUI functionality with powerful underlying solvers and complex physics is leading to a new generation of capabilities with applications to a range of hydrogeological problems.
Typical aquifer cross-section. An unambiguous definition of "groundwater model" is difficult to give, but there are many common characteristics. A groundwater model may be a scale model or an electric model of a groundwater situation or aquifer. Groundwater models are used to represent the natural groundwater flow in the environment.
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SEEP2D is a 2D seepage analysis program written by Dr. Fred Tracy of the United States Army Corps of Engineers. The program is used to analyze water seepage, typically through dams and levees or under sheet piles. "The model is internationally known in the engineering community as a model for complicated seepage analysis of dams and levees."
Aquifers can be unconfined, where the top of the aquifer is defined by the water table, or confined, where the aquifer exists underneath a confining bed. [5] There are three aspects that control the nature of aquifers: stratigraphy, lithology, and geological formations and deposits. The stratigraphy relates the age and geometry of the many ...