Summary
| Also known as
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| Model type
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Modular
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| Model part of larger framework
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| Note on status model
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| Date note status model
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Technical specs
| Supported platforms
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Linux, Windows
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| Other platform
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| Programming language
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C
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| Other program language
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C#
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| Code optimized
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| Multiple processors implemented
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| Nr of distributed processors
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| Nr of shared processors
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| Start year development
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1996
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| Does model development still take place?
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Yes
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| If above answer is no, provide end year model development
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| Code development status
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| When did you indicate the 'code development status'?
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| Model availability
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As code, As teaching tool, As executable"As executable" is not in the list (As code, As teaching tool) of allowed values for the "Model availability" property.
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Source code availability
(Or provide future intension)
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Through owner"Through owner" is not in the list (Through web repository, Through CSDMS repository) of allowed values for the "Source code availability" property.
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| Source web address
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| Source csdms web address
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| Program license type
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Other
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| Program license type other
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GNU
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| Memory requirements
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>512MB
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| Typical run time
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5 min to 50 days
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In/Output
| Describe input parameters
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DEM as ascii grid (output from arcGIS),
Rainfall data as a space separated ascii file (straightforward list), Inputs of water/sediment in an ascii file. Other single value parameter inputs for grainsize, flow parameters, slope processes etc..
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| Input format
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ASCII
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| Other input format
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| Describe output parameters
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ascii grids (readable into arcGIS) and google earth images of: DEM, flow depth, surface grainsize, shear stress, vegetation cover, velocity.
Also time series of water discharge and sediment discharge (across 9 grainsizes) at user chosen interval.
Also visual output to AVI file.
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| Output format
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ASCII
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| Other output format
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| Pre-processing software needed?
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No
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| Describe pre-processing software
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| Post-processing software needed?
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No
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| Describe post-processing software
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| Visualization software needed?
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No
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| If above answer is yes
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ESRI
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| Other visualization software
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but you can use ESRI (ArcGIS)
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Process
| Describe processes represented by the model
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2d multiple flow direction steady state flow model
Erosion and deposition over 9 separate grainsizes
Bedload and suspended load sediment transport
Slope processes (creep, enhanced creep and mass movement)
Vegetation growth
Aeolian transport (under development - slab dune model)
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| Describe key physical parameters and equations
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Flow depths calculated using version of mannings implemented across a cellular grid using a scanning algorithm.
Sediment tranport using either Einstein or Wilcock and Crowe functions
Slope model using simple slab failure and psuedo USLE implementation
Dune model adaption of DECAL and Werner slab model
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| Describe length scale and resolution constraints
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Has been applied to catchments ranging from 1km^2 to 500km^2, at grid resolutions ranging from 1m to 50m.
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| Describe time scale and resolution constraints
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The model has simulated periods from 1 day to 9000 years.
The length of run is largely contingent on the number of grid cells, thus a balance between resoltion and area of study. A small catchment with a coarse resolution will run very fast. Increase the area or make grid cells smaller and run times will increase.
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| Describe any numerical limitations and issues
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Run times can be long (60 +days for large areas over many 100's of years).
Flow model is steady state
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Testing
| Describe available calibration data sets
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Tested on several catchments in UK over long and short time scales.
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| Upload calibration data sets if available:
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| Describe available test data sets
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none yet; in development
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| Upload test data sets if available:
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| Describe ideal data for testing
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Flow and sediment discharge data, images of topographic change
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Other
| Do you have current or future plans for collaborating with other researchers?
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Yes, I am happy to collaborate with any potential users. There is a long history of CAESAR being take up by others including researchers in Italy, France, Spain, NZ, Australia, USA.
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| Is there a manual available?
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Yes
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| Upload manual if available:
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| Model website if any
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http://www.coulthard.org.uk
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| Model forum / discussion board
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Introduction
History
Papers
Issues
Help
Input Files
Output Files
Download
Source
Command-Line Access
GUI and IDE Access
Subversion Help |
