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| == CellularFanDelta == | | ==Introduction== |
| __TOC__
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| ===Introduction=== | | == History == |
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| === History === | | == Papers == |
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| === Papers === | | == Issues == |
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| === CellularFanDelta Questionnaire === | | == Help == |
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| ==== Contact Information ==== | | == Input Files == |
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| {| class="wikitable"
| | == Output Files == |
| | class="model_col1"| Model:
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| | class="model_col2"| CellularFanDelta
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| | class="model_col1"| Contact person:
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| | class="model_col2"| Matthew Wolinsky (Model developer)
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| | class="model_col1"| Institute:
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| | class="model_col2"| --
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| | class="model_col1"| City:
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| | class="model_col2"| --
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| | class="model_col1"| Country:
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| | class="model_col2"| --
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| | class="model_col1"| Email:
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| | class="model_col2"| --
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| | class="model_col1"| 2nd person involved:
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| | class="model_col2"| --
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| | class="model_col1"| 3rd person involved:
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| | class="model_col2"| --
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| |-
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| |}
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| ==== Model Description ==== | | == Download == |
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| {| class="wikitable"
| | == Source == |
| | class="model_col1"| Model type:
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| | class="model_col2"| Modular model for the terrestrial and coastal domain.
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| | class="model_col1"| Description:
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| | class="model_col2"| 3D cellular model simulating delta evolution in coarse grained river dominated systems (e.g. a gravel fan delta).
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| |-
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| |}
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| ==== Technical information ====
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| {| class="wikitable"
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| | class="model_col1"| Supported platforms:
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| | class="model_col2"| Windows
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| | class="model_col1"| Programming language:
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| | class="model_col2"| C++, Matlab (Programmed as C MEX files called from Matlab. Currently the two languages are intertwined, but could be modularized).
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| |-
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| | class="model_col1"| Model development started at:
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| | class="model_col2"| 2006 and development still takes place.
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| | class="model_col1"| To what degree will the model become available:
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| | class="model_col2"| Source code will be available
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| | class="model_col1"| Current license type:
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| | class="model_col2"| GPLv2
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| | class="model_col1"| Memory requirements:
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| | class="model_col2"| --
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| | class="model_col1"| Typical run time:
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| | class="model_col2"| hours to days
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| |}
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| ==== Input / Output description ====
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| {| class="wikitable"
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| | class="model_col1"| Input parameters:
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| | class="model_col2"| Domain dimensions and cell size (regular 2D grid). Initial condition.
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| Locations and rates of sediment and water influxes. Subsidence pattern and rate. Sea level curve. (Presently all boundary conditions are constant, but could vary in space and time in future versions)
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| | class="model_col1"| Input format:
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| | class="model_col2"| ASCII, Runs from Matlab command line
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| | class="model_col1"| Output parameters:
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| | class="model_col2"| Time series of 2D topography/bathymetry and water discharge. 3D stratigraphy grid
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| (currently model is single grain-size, so stratigraphy only stores deposit age)
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| | class="model_col1"| Output format:
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| | class="model_col2"| ASCII, 2D grids can be ASCII, but stratigraphy is custom-designed structure stored in Matlab format.
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| | class="model_col1"| Post-processing software (if needed):
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| | class="model_col2"| yes, Post-processing and (pre-processing) is through Matlab scripts.
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| | class="model_col1"| Visualization software (if needed):
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| | class="model_col2"| Yes, Matlab
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| |}
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| ==== Process description ====
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| {| class="wikitable"
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| | class="model_col1"| Processes represented by model:
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| | class="model_col2"| The key processes are 1) topographically-driven overland flow and 2) bedload transport by this flow. Through these processes the model self-organizes channels which incise, back-fill, and avulse. Processes are similar to alluvial fans. There are no marine processes besides bedload dumping.
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| | class="model_col1"| Key physical parameters & equations:
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| | class="model_col2"| Topographic slope-weighted multiple flow direction water routing. Stream power transport.
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| | class="model_col1"| Length scale & resolution constraints:
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| | class="model_col2"| There are two primary constraints:
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| # Like most topographically-routed cellular river models, incised channels in the model will always be one cell wide. Hence it should not be applied at scales where the cell size is much less than main channel widths.
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| # The model does not really simulate low-Froude low-slope rivers such as most large coastal deltas. However processes are similar to many other codes (e.g. DIONISOS) commonly used for large-scale deltas. If primary questions are about large-scale basin filling on O(10 ka) or longer timescales the model should be fine. However when questions relate to details of sub-millenial geomorphic processes or reservoir-scale stratigraphic architecture, some care must be taken in interpreting model results.
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| | class="model_col1"| Time scale & resolution constraints:
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| | class="model_col2"| See above.
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| | class="model_col1"| Numerical limitations and issues :
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| | class="model_col2"| # Currently the model runs with a constant timestep, which is limited by the maximum inflow. Future versions may include adaptive time-stepping.
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| # As mentioned above, the model channels tend to be one or two cells wide. Future versions may address this issue with some combination of diffusive regularization or multi-scale modeling.
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| |}
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| ==== Testing ====
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| {| class="wikitable"
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| | class="model_col1"| Available calibration data sets:
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| | class="model_col2"| --
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| | class="model_col1"| Available test data sets:
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| | class="model_col2"| --
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| | class="model_col1"| Ideal data for testing:
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| | class="model_col2"| Coarse-grained delta experiments without too valley widening, e.g. many XES experiments conducted at the Saint Anthony Falls Laboratory by Paola et al.
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| |}
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| ==== User groups ====
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| {| class="wikitable"
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| | class="model_col1"| Currently or plans for collaborating with:
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| | class="model_col2"| Possibly
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| |}
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| ==== Documentation ====
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| {| class="wikitable"
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| | class="model_col1"| Key papers of the model:
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| | class="model_col2"| Will update when I get them written and published!
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| | class="model_col1"| Is there a manual available:
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| | class="model_col2"| No
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| | class="model_col1"| Model website if any:
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| | class="model_col2"| --
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| |}
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| ==== Additional comments ====
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| {| class="wikitable"
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| | class="model_col1"| Comments:
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| | class="model_col2"| --
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| |}
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| === Issues ===
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| === Help ===
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| === Input Files ===
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| === Output Files ===
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| === Download ===
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| === Source ===
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| [[Category:Terrestrial]] | | [[Category:Terrestrial]] |
| [[Category:Coastal]] | | [[Category:Coastal]] |
