Model:FVCOM

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FVCOM

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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: Spatial dimensions 3D Spatial extent Global, Continental, Regional-Scale Model domain Coastal, Marine One-line model description The Unstructured Grid Finite Volume Coastal Ocean Model Extended model description FVCOM is a prognostic, unstructured-grid, finite-volume, free-surface, 3-D primitive equation coastal ocean circulation model developed by UMASSD-WHOI joint efforts. The model consists of momentum, continuity, temperature, salinity and density equations and is closed physically and mathematically using turbulence closure submodels. The horizontal grid is comprised of unstructured triangular cells and the irregular bottom is preseented using generalized terrain-following coordinates. The General Ocean Turbulent Model (GOTM) developed by Burchard’s research group in Germany (Burchard, 2002) has been added to FVCOM to provide optional vertical turbulent closure schemes. FVCOM is solved numerically by a second-order accurate discrete flux calculation in the integral form of the governing equations over an unstructured triangular grid. This approach combines the best features of finite-element methods (grid flexibility) and finite-difference methods (numerical efficiency and code simplicity) and provides a much better numerical representation of both local and global momentum, mass, salt, heat, and tracer conservation. The ability of FVCOM to accurately solve scalar conservation equations in addition to the topological flexibility provided by unstructured meshes and the simplicity of the coding structure has make FVCOM ideally suited for many coastal and interdisciplinary scientific applications. Keywords: physical oceanography, Name Changsheng Chen Type of contact Model developer Institute / Organization University of Massachusetts Postal address 1 706 South Rodney French Blvd Postal address 2 Town / City Dartmouth Postal code 02744 State Massachusetts Country United States Email address c1chen@umassd.edu Phone 508-910-6388 Fax (508) 910-6371 Name Robert Beardsley Type of contact Model developer Institute / Organization Woods Hole Oceanographic Institution Postal address 1 Postal address 2 Town / City Woods Hole Postal code 02543 State Country United States Email address rbeardsley@whoi.edu Phone +1 508 289 2536 Fax +1 508 457 2181 Supported platforms Linux Other platform Programming language Fortran90 Other program language Code optimized Single Processor, Multiple Processors Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 2001 Does model development still take place? Yes If above answer is no, provide end year model development Code development status Active When did you indicate the 'code development status'? 2020 Model availability As code Source code availability (Or provide future intension) Through web repository Source web address https://github.com/FVCOM-GitHub/fvcom Source csdms web address Program license type Other Program license type other FVCOM End User License Agreement University of Massachusetts – Dartmouth Memory requirements -- Typical run time -- Describe input parameters Tides, Winds, Heat flux, Preccipitation/Evaporation, River discharges, Groundwater, O.B. fluxes Input format ASCII, Binary Other input format Describe output parameters -- Output format Binary Other output format NetCDF Pre-processing software needed? No Describe pre-processing software Post-processing software needed? Yes Describe post-processing software GUI Post-process tools Visualization software needed? Yes If above answer is yes Other visualization software Visit Describe processes represented by the model The present version of FVCOM includes a number of options and components as shown in Figure above. These include: choice of Cartesian or spherical coordinate system, a mass-conservative wet/dry point treatment for the flooding/drying process simulation, the General Ocean Turbulent Model (GOTM) modules (Burchard et al., 1999; Burchard, 2002) for optional vertical turbulent mixing schemes, a water quality module to simulate dissolved oxygen and other environmental indicators, 4-D nudging and Reduced/Ensemble Kalman Filters (implemented in collaboration with P. Rizzoli at MIT) for data assimilation, fully-nonlinear ice models (implemented by F. Dupont), a 3-D sediment transport module (based on the U.S.G.S. national sediment transport model) for estuarine and near-shore applications, and a flexible biological module (FBM) for food web dynamics study. FBM includes seven groups: nutrients, autotrophy, heterotrophy, detritus, dissolved organic matter, bacteria, and other. With various pre-built functions and parameters for these groups, GBM allows users to either select a pre-built biological model (such as NPZ, NPZD, etc.) or to build their own biological model using the pre-defined pool of biological variables and parameterization functions. 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 FVCOM was originally developed for the estuarine flooding/drying process in estuaries and the tidal-, buoyancy- and wind-driven circulation in the coastal region featured with complex irregular geometry and steep bottom topography. This model has been upgraded to the spherical coordinate system for basin and global applications. A non-hydrostatic version of FVCOM has been coded and is being tested. See also website for model validations. 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? Yes Upload manual if available: Model website if any http://fvcom.smast.umassd.edu/FVCOM/index.html Model forum / discussion board http://foros.dgeo.udec.cl/fvcom/ Comments FVCOM is an open source code ocean community model that always welcomes new users. This program is only permitted for use in non-commercial academic research and education. Users are required to register in orde to receive the source codes, demo examples, and user manuals as well as some recommended postprocessing tools. 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 Changsheng Chen Beardsley Source code Go to external source code site Model citations Nr. of publications: 358 Total citations: 7866 h-index: 40 m-quotient: 1.9 QR-code Link to this page Other models by author FVCOM

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Nr. of publications:	358
Total citations:	7866
h-index:	40
m-quotient:	1.9

Featured publication(s)	Year	Model described	Type of Reference	Citations
Chen, Changsheng; Liu, Hedong; Beardsley, Robert C.; 2003. An Unstructured Grid, Finite-Volume, Three-Dimensional, Primitive Equations Ocean Model: Application to Coastal Ocean and Estuaries. Journal of Atmospheric and Oceanic Technology, 20, 159–186. 10.1175/1520-0426(2003)0202.0.CO;2 (View/edit entry)	2003	FVCOM	Model overview	1338
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