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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Unix, Linux, Mac OS, Windows
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| Other platform
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| Programming language
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Matlab
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| Other program language
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| Code optimized
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Single Processor
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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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2006
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| Does model development still take place?
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No
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| If above answer is no, provide end year model development
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2009
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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
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Source code availability
(Or provide future intension)
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Through CSDMS repository
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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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--
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| Memory requirements
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--
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| Typical run time
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Minutes
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In/Output
| Describe input parameters
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Three input maps at ESRI ASCII format:
- Flow Direction (ArcGIS format);
- Contributing Area (Flow Accumulation-ArcGIS format);
- Slope (ArcGIS format);
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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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Two output maps ESRI ASCII format:
- Alpha (coefficient);
- Constant.
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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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Yes
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| Describe pre-processing software
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ArcGIS for calculating Area, Slope and D8 Flow direction
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| Post-processing software needed?
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Yes
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| Describe post-processing software
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ArcGIS or other to convert ASCII output to map.
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| Visualization software needed?
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Yes
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| If above answer is yes
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ESRI, Matlab
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| Other visualization software
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Process
| Describe processes represented by the model
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Extract c and alpha from:
Slope=cArea^alpha
For more details:
Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
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| Describe key physical parameters and equations
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--
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| Describe length scale and resolution constraints
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Computer memory.
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| Describe time scale and resolution constraints
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--
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| Describe any numerical limitations and issues
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Artificially limit the alpha values between 2 and -2 and the constant values between 0 and 2.
Done so to avoid extreme outliers.
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Testing
| Describe available calibration data sets
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Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, J. Geophys. Res., 113, F03027, doi:10.1029/2007JF000820.
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| Upload calibration data sets if available:
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| Describe available test data sets
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| Upload test data sets if available:
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Media:Area demo.txt, Media:Slope demo.txt, Media:Flowdir demo.txt
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| Describe ideal data for testing
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Reasonable relief catchment.
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Other
| Do you have current or future plans for collaborating with other researchers?
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--
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| Is there a manual available?
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No
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| Upload manual if available:
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| Model website if any
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| Model forum / discussion board
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| Comments
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Run this model via MATLAB
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Introduction
History
Papers
- Cohen, S., G. Willgoose, and G. Hancock (2008), A methodology for calculating the spatial distribution of the area-slope equation and the hypsometric integral within a catchment, Journal of Geophysical Research, 113, F03027, DOI Link.
Issues
Help
If you need help just send me an email to sagy.cohen@uon.edu.au
Input Files
Output Files
Download
Source |
