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From CSDMS
No but possible +
No but possible +
No but possible +
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23:22:28, 3 March 2009 +
Possibly +
Coarse-grained delta experiments without too valley widening, e.g. many XES experiments conducted at the Saint Anthony Falls Laboratory by Paola et al. +
Domain dimensions and cell size (regular 2 … Domain dimensions and cell size (regular 2D grid). Initial condition.</br></br>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)vary in space and time in future versions) +
Topographic slope-weighted multiple flow direction water routing. Stream power transport. +
There are two primary constraints:
# Like … There are two primary constraints:</br># 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.</br># 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.st be taken in interpreting model results. +
Numerical limitations and issues:
# Curren … Numerical limitations and issues:</br># Currently the model runs with a constant timestep, which is limited by the maximum inflow. Future versions may include adaptive time-stepping.</br># 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.ve regularization or multi-scale modeling. +
Time series of 2D topography/bathymetry and water discharge. 3D stratigraphy grid
(currently model is single grain-size, so stratigraphy only stores deposit age) +
Post-processing and (pre-processing) is through Matlab scripts. +
Post-processing and (pre-processing) is through Matlab scripts. +
The key processes are 1) topographically-d … 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. marine processes besides bedload dumping. +
See above. +
3D cellular model simulating delta evolution in coarse grained river dominated systems (e.g. a gravel fan delta). +
Matthew +
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ASCII +
Runs from Matlab command line +
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0 +
As code +
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02:19:19, 17 September 2020 +
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Coarse-grained delta dynamics and stratigraphy +
ASCII +
2D grids can be ASCII, but stratigraphy is custom-designed structure stored in Matlab format. +
77001 +
true +
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(Programmed as C MEX files called from Matlab. Currently the two languages are intertwined, but could be modularized). +
GPL v2 +
hours to days +
2006 +
Windows +
Model developer +
Matlab +
