Model:Caesar: Difference between revisions
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{{ | {{Model identity | ||
| | |Model type=Modular | ||
}} | }} | ||
{{Model identity2 | |||
|ModelDomain=Terrestrial | |||
|One-line model description=Cellular landscape evolution model | |||
|Extended model description=CAESAR is a cellular landscape evolution model, with an emphasis on fluvial processes, including flow routing, multi grainsize sediment transport. It models morphological change in river catchments. | |||
}} | |||
{{Start model keyword table}} | |||
{{Model keywords | |||
|Model keywords=landscape evolution | |||
}} | |||
{{End a table}} | |||
{{Modeler information | |||
|First name=Tom | |||
|Last name=Coulthard | |||
|Type of contact=Model developer | |||
|Institute / Organization=University of Hull | |||
|Postal address 1=Cottingham Road | |||
|Town / City=Hull | |||
|Postal code=HU6 7RX | |||
|State=NO STATE | |||
|Country=United Kingdom | |||
|Email address=T.Coulthard@hull.ac.uk | |||
}} | |||
{{Model technical information | |||
|Supported platforms=Linux, Windows | |||
|Programming language=C | |||
|Other program language=C# | |||
|Start year development=1996 | |||
|Does model development still take place?=Yes | |||
|Model availability=As code, As teaching tool | |||
|Source code availability=Through web repository | |||
|Source web address=http://www.coulthard.org.uk/downloads/visualcaesar.htm | |||
|Program license type=Other | |||
|Program license type other=GNU | |||
|Memory requirements=>512MB | |||
|Typical run time=5 min to 50 days | |||
}} | |||
{{Input - Output description | |||
|Describe input parameters=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.. | ||
|Input format=ASCII | |||
=== | |Describe output parameters=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. | |||
|Output format=ASCII | |||
|Pre-processing software needed?=No | |||
|Post-processing software needed?=No | |||
|Visualization software needed?=No | |||
}} | |||
{{Process description model | |||
|Describe processes represented by the model=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) | |||
|Describe key physical parameters and equations=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 | |||
|Describe length scale and resolution constraints=Has been applied to catchments ranging from 1km^2 to 500km^2, at grid resolutions ranging from 1m to 50m. | |||
|Describe time scale and resolution constraints=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. | |||
|Describe any numerical limitations and issues=Run times can be long (60 +days for large areas over many 100's of years). | |||
Flow model is steady state | |||
}} | |||
{{Model testing | |||
|Describe available calibration data sets=Tested on several catchments in UK over long and short time scales. | |||
|Describe available test data sets=none yet; in development | |||
|Describe ideal data for testing=Flow and sediment discharge data, images of topographic change | |||
}} | |||
{{Users groups model | |||
|Do you have current or future plans for collaborating with other researchers?=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. | |||
}} | |||
{{Documentation model | |||
|Manual model available=Yes | |||
|Model website if any=http://www.coulthard.org.uk | |||
}} | |||
{{Additional comments model}} | |||
{{CSDMS staff part | |||
|OpenMI compliant=No but possible | |||
|CCA component=No but possible | |||
|IRF interface=No but possible | |||
|CMT component=No but possible | |||
}} | |||
{{Start coupled table}} | |||
{{End a table}} | |||
{{End headertab}} | |||
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== | ==Introduction== | ||
== | == History == | ||
== | == References == | ||
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== | == Issues == | ||
==== | == Help == | ||
{{#ifexist:Model_help:{{PAGENAME}}|[[Model_help:{{PAGENAME}}]]|}} | |||
== | == Input Files == | ||
== Output Files == |
Latest revision as of 20:16, 16 September 2020
Caesar
Metadata
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Introduction
History
References
Nr. of publications: | 60 |
Total citations: | 2405 |
h-index: | 26 |
m-quotient: | 1.13 |
Featured publication(s) | Year | Model described | Type of Reference | Citations |
---|---|---|---|---|
Van De Wiel, Marco J.; Coulthard, Tom J.; Macklin, Mark G.; Lewin, John; 2007. Embedding reach-scale fluvial dynamics within the CAESAR cellular automaton landscape evolution model. Geomorphology, 90, 283–301. 10.1016/j.geomorph.2006.10.024 (View/edit entry) | 2007 | Caesar |
Model overview | 153 |
Coulthard, Tom J.; Neal, Jeff C.; Bates, Paul D.; Ramirez, Jorge; de Almeida, Gustavo A. M.; Hancock, Greg R.; 2013. Integrating the LISFLOOD-FP 2D hydrodynamic model with the CAESAR model: implications for modelling landscape evolution. Earth Surface Processes and Landforms, 38, 1897–1906. 10.1002/esp.3478 (View/edit entry) | 2013 | CAESAR Lisflood Caesar |
Model overview | 190 |
See more publications of Caesar |