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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. The source code is free public domain software,[1] written primarily in Fortran, and can compile and run on Microsoft Windows or Unix-like operating systems.
3-dimensional grid
Since its original development in the early 1980s,[2] the USGS has made six major releases, and is now considered to be the de facto standard code for aquifer simulation. There are several actively developed commercial and non-commercial graphical user interfaces for MODFLOW.
MODFLOW was constructed in what was in 1980's called a modular design. This means it has many of the attributes of what came to be called object-oriented programming. For example, capabilities (called "packages") that simulate subsidence or lakes or streams, can easily be turned on and off and the execution time and storage requirements of those packages go away entirely. If a programmer wants to change something in MODFLOW, the clean organization makes it easy. Indeed, this kind of innovation is exactly what was anticipated when MODFLOW was designed.
Importantly, the modularity of MODFLOW makes it possible for different Packages to be written that are intended to address the same simulation goal in different ways. This allows differences of opinion about how system processes function to be tested. Such testing is an important part of multi-modeling, or alternative hypothesis testing. Models like MODFLOW make this kind of testing more definitive and controlled. This results because other aspects of the program remain the same. Tests become more definitive because they become less prone to being influenced unknowingly by other numerical and programming differences.
^Water Webserver Team (March 5, 2014). "Software User Rights Notice". Water Resources of the United States. U.S. Department of the Interior, U.S. Geological Survey. Retrieved 2014-05-27.
^McDonald M.G. & Harbaugh, A.W. (2003). "The History of MODFLOW". Ground Water. 41 (2): 280–283. Bibcode:2003GrWat..41..280M. doi:10.1111/j.1745-6584.2003.tb02591.x. PMID 12656294. S2CID 21781355.
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...
Visual MODFLOW (VMOD) is a graphical interface (GUI) for the open source groundwater modeling engine MODFLOW. VMOD was developed by Waterloo Hydrogeologic...
Especially when using rectangular grid finite-difference models (e.g. MODFLOW, made by the USGS), we deal with Cartesian coordinates. In these coordinates...
finite-difference groundwater mass transport modeling software, often used with MODFLOW. The first generation, MT3D, was developed by Chunmiao Zheng in 1990, and...
which can be practically obtained only from numerical models, such as MODFLOW for groundwater or standard step or HEC-RAS for open channels. In Cartesian...
fate, and groundwater flow. Commonly used numerical models include SWAT, MODFLOW, FEFLOW, MIKE SHE, and WEAP. Physical models use parameters to characterize...
British Geological Survey. Groundwater modelling FEFLOW FEHM MODFLOW GMS Visual MODFLOW ZOOMQ3D Moreover, industry Consortia or companies are specifically...
Waterloo Hydrogeologic Inc or WHI) and started with the development of Visual MODFLOW. The company diversified into groundwater software training and consulting...
in structural engineering) with finite differences still used in time. MODFLOW is a well-known example of a general finite difference groundwater flow...
groundwater. This parameter is often used in such computer modelling codes as MODFLOW. Conductance is also a useful concept in the design and study of vacuum...
land use, technology, and socio-economic factors. WEAP links to the USGS MODFLOW groundwater flow model and the US EPA QUAL2K surface water quality model...
hydrogeochemical transport models. Some examples of commonly used softwares are MODFLOW and PHREEQC, but there are plenty of available software that can be used...
32-bit and 64-bit versions for Microsoft Windows operating systems. FEFLOW MODFLOW HydroGeoSphere Hydrological transport model Abbott, M.B.; Bathurst, J.C...
per day MMS—Minerals Management Service (US) MMST—one million short tons MODFLOW—model of groundwater flow MOU—Memorandum of Understanding MOX—mixed oxide...
from a local to global scale. Some of the most popular examples are SWAT, MODFLOW, HEC-RAS, and CESM. The NTP is not intended to promote any of the models...
Community Surface Dynamics Modeling System (CSDMS)" (PDF). Proceedings of MODFLOW and MORE 2008: Ground Water and Public Policy Conference, May 18–21, 2008...
(2006). Object-Oriented Design in Groundwater Modeling. Proceedings of MODFLOW 2006 conference, Golden, Colorado, US. May 2006. [1] British Geological...
A. (2005). GWM–A ground–water mgt process for the USGS modular ground–water model (MODFLOW–2000), U.S. Geological Survey Open–File Report 2005–1072....
performance Hydrological transport model Isochrone map Litpack METRIC MIKE 11 MODFLOW Mouse RheinBlick2050 Runoff model (reservoir) SahysMod SaltMod SEDCAD SHETRAN...
Forum. Harter, T., and H. Morel-Seytoux (2013). "Peer Review of the IWFM, MODFLOW and HGS Model Codes" (PDF). California Water and Environmental Modeling...
Modeling Groundwater-surface Water Interactions in an Operational Setting by Linking RiverWare with MODFLOW. ISBN 978-0-549-56234-4. Retrieved 2012-10-03....
Modeling Groundwater-surface Water Interactions in an Operational Setting by Linking RiverWare with MODFLOW. ISBN 978-0-549-56234-4. Retrieved 2012-10-03....
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