Model:UEB

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UEB

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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 Watershed-Scale Model domain Hydrology, Terrestrial One-line model description The Utah Energy Balance (UEB) Grid snowmelt model Extended model description The Utah Energy Balance (UEB) snow model is an energy balance snowmelt model developed by David Tarboton's research group, first in 1994, and updated over the years. The model uses a lumped representation of the snowpack and keeps track of water and energy balance. The model is driven by inputs of air temperature, precipitation, wind speed, humidity and radiation at time steps sufficient to resolve the diurnal cycle (six hours or less). The model uses physically-based calculations of radiative, sensible, latent and advective heat exchanges. A force-restore approach is used to represent surface temperature, accounting for differences between snow surface temperature and average snowpack temperature without having to introduce additional state variables. Melt outflow is a function of the liquid fraction, using Darcy's law. This allows the model to account for continued outflow even when the energy balance is negative. Because of its parsimony (few state variables - but increasing with later versions) this model is suitable for application in a distributed fashion on a grid over a watershed. Keywords: snow dynamics, glacial melt, Name David Tarboton Type of contact Project manager Institute / Organization Utah State University Postal address 1 8200 Old Main Hill Postal address 2 Town / City Logan Postal code 84322-4110 State Utah Country United States Email address david.tarboton@usu.edu Phone +1 (435) 797 3172 Fax +1 (435) 797 3663 Name Avirup Sen Gupta Type of contact Model developer Institute / Organization Utah State University Postal address 1 8200 Old Main Hill Postal address 2 Town / City Logan Postal code 84322-4110 State Utah Country United States Email address avirup.sengupta@aggiemail.usu.edu Phone Fax Supported platforms Unix, Linux, Mac OS, Windows Other platform Programming language Fortran90 Other program language Code optimized Single Processor Multiple processors implemented Nr of distributed processors Nr of shared processors Start year development 1994 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://bitbucket.org/dtarb/ueb/overview Source csdms web address Program license type Other Program license type other GNU General Public License Memory requirements -- Typical run time -- Describe input parameters The model is driven by inputs of air temperature, precipitation, wind speed, humidity and radiation at time steps sufficient to resolve the diurnal cycle (six hours or less) Input format ASCII, Binary Other input format NetCDF Describe output parameters Snow melt Output format ASCII, Binary Other output format NetCDF 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 The model uses physically-based calculations of radiative, sensible, latent and advective heat exchanges. 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 https://bitbucket.org/dtarb/ueb/overview Model forum / discussion board Comments This information is captured from the web and incorporated here by Albert Kettner 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 David Tarboton Sen Gupta Source code Go to external source code site Model citations Nr. of publications: 35 Total citations: 1698 h-index: 18 m-quotient: 0.56 QR-code Link to this page Other models by author TauDEM UEB

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Nr. of publications:	35
Total citations:	1698
h-index:	18
m-quotient:	0.56

Featured publication(s)	Year	Model described	Type of Reference	Citations
Luce, Charles H.; Tarboton, David G.; Cooley, Keith R.; 1999. Sub-grid parameterization of snow distribution for an energy and mass balance snow cover model. Hydrological Processes, 13, 1921–1933. 10.1002/(SICI)1099-1085(199909)13:12/133.0.CO;2-S (View/edit entry)	1999	UEB	Model overview	173
Tarboton, D.G.; Chowdhury, T.G.; Jackson, T.H.; 1993. A Spatially Distributed Energy Balance Snowmelt Model. IAHS Publ. no. 228. Volume . (View/edit entry)	1993	UEB	Model overview	167
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