Model:GSFLOW

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GSFLOW

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as Model type Modular Model part of larger framework Note on status model Date note status model Incorporated models or components: PRMS, MODFLOW, Spatial dimensions 3D Spatial extent Watershed-Scale Model domain Hydrology, Terrestrial One-line model description Ground-water and Surface-water FLOW model Extended model description GSFLOW was a coupled model based on the integration of the U.S. Geological Survey Precipitation-Runoff Modeling System (PRMS, Leavesley and others, 1983) and the U.S. Geological Survey Modular Groundwater Flow Model(MODFLOW-2005, Harbaugh, 2005). It was developed to simulate coupled groundwater/surface-water flow in one or more watersheds by simultaneously simulating flow across the land surface, within subsurface saturated and unsaturated materials, and within streams and lakes. Keywords: Hydrological model, basin, Name Steve Markstrom Type of contact Model developer Institute / Organization USGS Postal address 1 U.S.Geological Survey, Denver Federal Center Postal address 2 Box 25046, MS 412 Town / City Lakewood Postal code 80225 State Colorado Country United States Email address markstro@usgs.gov Phone (303)236-3330 Fax (303)236-5034 Supported platforms Linux, Windows Other platform Programming language Fortran90, C Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 2008 Does model development still take place? Yes If above answer is no, provide end year model development Code development status When did you indicate the 'code development status'? Model availability As code Source code availability (Or provide future intension) Through web repository Source web address http://water.usgs.gov/nrp/gwsoftware/gsflow/gsflow.html Source csdms web address Program license type Other Program license type other Memory requirements Typical run time Describe input parameters PRMS: http://wwwbrr.cr.usgs.gov/projects/SW_MoWS/software/oui_and_mms_s/prms.shtml MODFLOW http://water.usgs.gov/nrp/gwsoftware/modflow2005/modflow2005.html Input format Other input format Describe output parameters PRMS: http://wwwbrr.cr.usgs.gov/projects/SW_MoWS/software/oui_and_mms_s/prms.shtml MODFLOW http://water.usgs.gov/nrp/gwsoftware/modflow2005/modflow2005.html Output format Other output format Pre-processing software needed? No Describe pre-processing software Post-processing software needed? No Describe post-processing software Visualization software needed? No If above answer is yes Other visualization software Describe processes represented by the model GSFLOW simulates flow within and among three regions. The first region is bounded on top by the plant canopy and on the bottom by the lower limit of the soil zone; the second region consists of all streams and lakes; and the third region is the subsurface zone beneath the soil zone. PRMS is used to simulate hydrologic responses in the first region and MODFLOW-2005 is used to simulate hydrologic processes in the second and third regions. Describe key physical parameters and equations Describe length scale and resolution constraints Describe time scale and resolution constraints Describe any numerical limitations and issues Describe available calibration data sets Upload calibration data sets if available: Describe available test data sets Upload test data sets if available: Describe ideal data for testing Do you have current or future plans for collaborating with other researchers? Is there a manual available? No Upload manual if available: Model website if any http://water.usgs.gov/nrp/gwsoftware/gsflow/gsflow.html Model forum / discussion board Comments This part will be filled out by CSDMS staff OpenMI compliant No but possible BMI compliant No but possible WMT component No but possible PyMT component Is this a data component Can be coupled with:

Model info Authors Steve Markstrom Source code Go to external source code site Model citations Nr. of publications: 27 Total citations: 1055 h-index: 11 m-quotient: 0.52 QR-code Link to this page Other models by author GSFLOW

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Nr. of publications:	27
Total citations:	1055
h-index:	11
m-quotient:	0.52

Featured publication(s)	Year	Model described	Type of Reference	Citations
Markstrom, Steven L.; Niswonger, Richard G.; Regan, R. Steven; Prudic, David E.; Barlow, Paul M.; 2005. GSFLOW-Coupled Ground-water and Surface-water FLOW model based on the integration of the Precipitation-Runoff Modeling System (PRMS) and the Modular Ground-Water Flow Model (MODFLOW-2005). . (View/edit entry)	2005	GSFLOW MODFLOW PRMS	Model overview	388
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