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From CSDMS
Code is research grade. +
No but possible +
In progress +
No but possible +
Single Processor +
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13:50:15, 12 February 2009 +
Intent to use for braided Arctic fan deltas.
CSDMS group is currently working on floodplain processes and bedload distribution patterns based on RS data. +
https://csdms.colorado.edu/pub/models/doi-source-code/aquatellus-10.1594.IEDA.100089-1.0.tar.gz +
Not readily available; theoretical experiments are available as examples. +
AquaTellUs was originally developed for simulation of the fluvial-dominated Volga delta. The 2D experiments are still available and can be used as a test data set. +
Boundary conditions like river discharge and sediment loads, input grainsize data, sea level history.
Floodplain and deltaic sedimentation rates and grainsize data. +
Simulation time (t) and time step (dt), Initial grid size and slope, Incoming discharge and sediment load (t), Sea level (t), no of grain size classes, grain size distribution, grain size.
Sediment transport coeficients +
See references. +
The model domain starts in the fluvial floodplain, the main river channel is considered an incoming boundary condition.
Gridcells are typically averaged over 100's meters to 1000's of meters. Tests ran with grids of 150 by 150 km. +
Code is research grade +
Grid of deposition of different grains over time.
The model generates postscript files of stratigraphic sections. +
Grid plotting software, Postscript plotting software +
Fluvial erosion and depositions, lateral deposition across the floodplain, plume deposition in marine domain. +
Developed as a stratigraphic model, approach is event-based. Intended time scale ranges from several decades to Holocene (10-10.000yrs). +
As is, no updates are provided +
2,011 +
AquaTellUs models fluvial-dominated delta … AquaTellUs models fluvial-dominated delta sedimentation. AquaTellUS uses a nested model approach; a 2D longitudinal profiles, embedded as a dynamical flowpath in a 3D grid-based space. A main channel belt is modeled as a 2D longitudinal profile that responds dynamically to changes in discharge, sediment load and sea level. Sediment flux is described by separate erosion and sedimentation components. Multiple grain-size classes are independently tracked. Erosion flux depends on discharge and slope, similar to process descriptions used in hill-slope models and is independent of grain-size. Offshore, where we assume unconfined flow, the erosion capacity decreases with increasing water depth. The erosion flux is a proxy for gravity flows in submarine channels close to the coast and for down-slope diffusion over the entire slope due to waves, tides and creep. Erosion is restricted to the main flowpath. This appears to be valid for the river-channel belt, but underestimates the spatial extent and variability of marine erosion processes.</br>Deposition flux depends on the stream velocity and on a travel-distance factor, which depends on grain size (i.e. settling velocity). The travel-distance factor is different in the fluvial and marine domains, which results in a sharp increase of the settling rate at the river mouth, mimicking bedload dumping.</br></br>Dynamic boundary conditions such as climatic changes over time are incorporated by increasing or decreasing discharge and sediment load for each time step.arge and sediment load for each time step. +
Irina +
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ASCII +
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0.17 +
High +
fluvial-dominated +, model +, models fluvial-dominated delta +, aquatellus models fluvial-dominated +, fluvial-dominated delta sedimentation +, fluvial-dominated delta +, models fluvial-dominated +, aquatellus models +, erosion +, delta sedimentation +, nested model approach +, flux +, aquatellus +, erosion flux +, flux depends +, longitudinal profiles +, sediment + and coastal evolution +
As code +
coastal evolution +
Single +
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02:15:23, 17 September 2020 +
5 +
Fluvial-dominated delta sedimentation model +
ASCII +
1560 30th street +
80305 +
false +
Other +
hours +
Through CSDMS repository +
https://github.com/csdms-contrib/aquatellus +
Regional-Scale +
1997 +
Model developer +
Matlab +
SURFER/GRAPHER +
