Model:IceFlow

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IceFlow

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Summary Contact Technical specs In/Output Process Testing Other Component info Also known as Model type Single Model part of larger framework Note on status model Date note status model Incorporated models or components: Spatial dimensions 2D Spatial extent Regional-Scale, Landscape-Scale, Watershed-Scale Model domain One-line model description 2D semi-implicit shallow ice approximation glacier model Extended model description IceFlow simulates ice dynamics by solving equations for internal deformation and simplified basal sliding in glacial systems. It is designed for computational efficiency by using the shallow ice approximation for driving stress, which it solves alongside basal sliding using a semi-implicit direct solver. IceFlow is integrated with GRASS GIS to automatically generate input grids from a geospatial database. Keywords: glacial, Name Andy Wickert Type of contact Model developer Institute / Organization University of Colorado Postal address 1 Institute of Arctic and Alpine Research Postal address 2 1560 30th St. Town / City Boulder Postal code 80303 State Colorado Country United States Email address wickert@colorado.edu Phone Fax Name William Colgan Type of contact Model developer Institute / Organization Geological Survey of Denmark and Greenland Postal address 1 Øster Voldgade 10 Postal address 2 Town / City Copenhagen K Postal code DK-1350 State Country Denmark Email address Phone Fax Supported platforms Unix, Linux, Mac OS, Windows Other platform Programming language Python Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 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 https://github.com/awickert/IceFlow/archive/master.zip Source csdms web address Program license type GPL v3 Program license type other Memory requirements Typical run time minutes Describe input parameters Topography, mass balance Input format ASCII, Binary Other input format Automated generation from GIS (GRASS) Describe output parameters ice thickness, ice velocity Output format ASCII, Binary 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 Ice deformation, ice sliding Describe key physical parameters and equations [[Describe key physical parameters::Shallow ice approximation [test equation markup here]]] Describe length scale and resolution constraints No longitudinal coupling, not full Stokes Describe time scale and resolution constraints 2D grid, variable dx and dy possible Describe any numerical limitations and issues Some time step limitations due to the *semi* implicit nature of the code 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? Leif Anderson (U. Colorado) -- ongoing Is there a manual available? No Upload manual if available: Model website if any Model forum / discussion board Comments This part will be filled out by CSDMS staff OpenMI compliant No not possible BMI compliant No not possible WMT component Not yet"Not yet" is not in the list (Yes, In progress, No but possible, No not possible) of allowed values for the "Code CMT compliant or not" property. PyMT component Is this a data component Can be coupled with:

Model info Authors Andy Wickert Colgan Source code Go to external source code site Model citations Nr. of publications: -- Total citations: 0 h-index: --"--" is not a number. m-quotient: 0 QR-code Link to this page Other models by author AlluvStrat GFlex IceFlow NEXRAD-extract Terrapin

History

IceFlow was originally written in Matlab by William Colgan. In 2014, Andrew Wickert translated it into Python and added an automated interface to retrieve input data from a GRASS GIS location.

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