Terrestrial Mo: Difference between revisions
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Revision as of 12:54, 19 February 2008
Terrestial model descriptions
To submit your model to the list, please complete this questionnaire or email us if you want to update the information about a model that is already listed.
| Model | Contact Person | Discussion Page |
|---|
| AquaTellus | Irina Overeem | Not yet |
|---|---|---|
| Contact information | ||
| Institute: | CSDMS, INSTAAR, University of Colorado | |
| City: | Boulder, CO | |
| Country: | USA | |
| Email: | irina.overeem@colorado.edu | |
| Caesar | Tom Coulthard | Not yet |
|---|---|---|
| Contact information | ||
| Institute: | University of Hull | |
| City: | Hull | |
| Country: | UK | |
| Email: | T.Coulthard@hull.ac.uk | |
| HEBEM | Jeffrey Niemann | Not yet |
|---|---|---|
| Contact information | ||
| Institute: | Colorado State University | |
| City: | Fort Collins, CO | |
| Country: | USA | |
| Email: | jniemann@engr.colostate.edu | |
| Model description | ||
| Model type: | Single model | |
| Description: | The Hydrologically Enhanced Basin Evolution Model (HEBEM) is a combined hydrologic/geomorphic model. The hydrologic model simulates precipitation with variability, infiltration, evapotranspiration, overland flow, and groundwater flow, thus producing a spatially and temporally varying water discharge Q that drives fluvial processes in the land surface. The geomorphic model accounts for tectonic forcing, hillslope processes, erosion, and sediment transport. The combined model uses multiple time steps for hydrologic and geomorphic processes. Due to its hydrologic represenation, the model is able to investigate the interaction between hydrology and geomorpholgy. | |
| Technical information | ||
| Supported platforms: | Unix | |
| Programming language: | Fortran77, Fortran90, C | |
| Model was developed started from: | 2001 and development still takes place | |
| To what degree will the model become available: | Not | |
| Current license type: | -- | |
| Memory requirements: | -- | |
| Typical run time: | -- | |
| Input / Output description | ||
| Input parameters: | A grid with initial elevation
Hydrologic time step and geomorphic time step Hydrologic parameters: average rainfall intensity, rainfall duration, interstorm period, infiltration capacity, porosity, hydraulic conductivity, aquifer depth, specific yield, PET Geomorphic parameters: baselevel lowering rate, diffusivity for hillslope processes, weathering rate, parameters for erosion and sediment transport model | |
| Input format: | ASCII | |
| Output parameters: | Elevations of all nodes, elevation changes of all nodes | |
| Output format: | ASCII | |
| Post-processing software (if needed): | No | |
| Visualization software (if needed): | No | |
| Process description | ||
| Processes represented by model: | Hydrologic processes: Precipitation, infiltration, evapotranspiration, overland flow, saturation-excess runoff, groundwater flow
Geomorphic processes: Baselevel lowering, weathering, hillslope processes, erosion, sediment transport | |
| Key physical parameters & equations: | Infiltration capacity, water balance equation
Hydraulic conductivity, 2-D Dupuit groundwater movement equation | |
| Length scale & resolution constraints: | A grid with 100x100 cells. Typical cells with a resolution of 40x40m | |
| Numerical limitations and issues : | Time scale of 10,000 years. Typical time step is 3 hour | |
| Testing | ||
| Available calibration data sets: | The hydrologic model was calibrated using hydrologic measurements of WE-38 watershed in PA | |
| Available test data sets: | N/A | |
| Ideal data for testing: | N/A | |
| User groups | ||
| Currently or plans for collaborating with: | None | |
| Documentation | ||
| Key papers of the model: | Huang, X., and J. D. Niemann, How do streamflow generation mechanisms affect watershed hypsometry? Earth Surface Processes and Landforms, 2007, doi:10.1002/esp.1573 (currently published online).
Huang, X., and J. D. Niemann, An evaluation of the geomorphically effective event for fluvial processes over long periods, Journal of Geophysical Research, 111, F03015, 2006, doi:10.1029/2006JF000477. Huang, X., and J. D. Niemann, Modeling the potential impacts of groundwater hydrology on long-term drainage basin evolution, Earth Surface Processes and Landforms, 31(14), 1802-1823, 2006, doi:10.1002/esp.1369. | |
| Is there a manual available: | No | |
| Model website if any: | No | |
| Additional comments | ||
| Comments: | No | |
