Model:WDUNE: Difference between revisions

Revision as of 17:39, 20 December 2019

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	Landscape-Scale
Model domain	Terrestrial
One-line model description	GUI implementation of the Werner (1995) cellular automata aeolian dune model
Extended model description	This model is a GUI implementation of a simple cellular automata dune model. The model was originally proposed by Werner (1995, Geology 23) and has seen several extensions. It can simulate basic barchan, transverse, star, and linear dunes. The model is designed to be easy to operate for researchers or students without programming skills. Also included is a tool to operate the model from ArcGIS.

Keywords:	Aeolian dune, GIS, geomorphologic,

Supported platforms	Linux, Windows
Other platform	theoretically, any platform supported by Python with a C++ compiler
Programming language	C++, Python
Other program language
Code optimized	Single Processor
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2011
Does model development still take place?	No
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, As teaching tool
Source code availability (Or provide future intension)	Through web repository
Source web address	http://people.uleth.ca/~chris.hugenholtz/web/wdune.html
Source csdms web address
Program license type	GPL v2
Program license type other
Memory requirements
Typical run time	dependant on model space size

Describe input parameters	Arc ASCII grids of topography and non-erodible basement. Program will create input grids also.
Input format	ASCII
Other input format
Describe output parameters	Arc ASCII grids of topography and non-erodible basement.
Output format	ASCII
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	No
Describe post-processing software
Visualization software needed?	Yes
If above answer is yes	ESRI, IDL, Matlab
Other visualization software	Any simple GIS viewer that can read ASCII grids.

Describe processes represented by the model	Aeolian transport and dune formation.
Describe key physical parameters and equations	The model is abstract. Refer to accompanying paper and references therein: Barchyn TE, Hugenholtz CH. 2011. A new tool for modeling dune field evolution based on an accessible, GUI version of the Werner dune model. Geomorphology. Available from: http://dx.doi.org/10.1016/j.geomorph.2011.09.021 Or, also, refer to original description of the model: Werner, BT. 1995. Eolian dunes: computer simulations and attractor interpretation. Geology 23, 1107-1110. Available from: http://dx.doi.org/10.1130/0091-7613(1995)023<1107:EDCSAA>2.3.CO;2
Describe length scale and resolution constraints	The model is abstract. Ratio of height to horizontal distance resolution is locked at 0.1, but can be modified in the source code and re-compiling.
Describe time scale and resolution constraints	The model is abstract. Time given in iterations, relating iterations to real time depends strongly on the climate of the area simulated.
Describe any numerical limitations and issues	The model is abstract.

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?	I'd be happy to help facilitate dissemination of extensions or improvements to this model.

Is there a manual available?	Yes
Upload manual if available:
Model website if any	All source code, the model, and manual is available from download site, here: http://people.uleth.ca/~chris.hugenholtz/web/wdune.html
Model forum / discussion board

Comments

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Model info

Authors

Source code

Model citations

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Other models by author

Featured publication(s)	Year	Model described	Type of Reference	Citations
Barchyn, Thomas E.; Hugenholtz, Chris H.; 2012. A new tool for modeling dune field evolution based on an accessible, GUI version of the Werner dune model. Geomorphology, 138, 415–419. 10.1016/j.geomorph.2011.09.021 (View/edit entry)	2012	WDUNE	Model overview	13
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