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From CSDMS
Model was initially developed to interpolate between analogue experiments and landscape evolution done at the Utrecht University by George Postma and coworkers. +
Xander +
Meijer +
Model developer +
No but possible +
No but possible +
No but possible +
Single Processor +
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22:38:24, 9 November 2009 +
Have successfully tested the model on the Colorado river shelf system, and along analogue models. +
Time-averaged values over 1000 years from seismic and sequence stratigraphic studies. +
Input is in the form of values per time st … Input is in the form of values per time step for the following variables: files of rain fall, river inlet, sea-level, substratum thickness, tectonics, subsidence, while the model is calibrated through environmental coefficients, threshold slopes, threshold discharge, and set for interval time steps, number of time steps, environmental coefficients (m2/yr) and substratum grain size.icients (m2/yr) and substratum grain size. +
Basin digital elevation model. +
The model has been successfully used for s … The model has been successfully used for simulation of river-shelf-slope configuration with a length of 0.005–400 km. The very short length scale refers to laboratory produced physical landscape models that have been used for calibration of avulsion and headward erosion processes.f avulsion and headward erosion processes. +
The model does not allow for compaction +
Maps of geomorphology, discharge, deposition, isopachs, stratigraphic thickness, grain size, contour, subsidence, and environment +
Time-averaged sediment transport by long-r … Time-averaged sediment transport by long-range river transport based on discharge and gradient and on short range diffusive transport based on gradient and diffusion coefficients. Thresholds for slope and discharge can be set and act as a means to keep the flow from spreading over every adjacent grid cell allowing avulsion and bifurcation processes to be modeled.n and bifurcation processes to be modeled. +
Time steps of 10 – 1000 years depending on output range. Total range up to Millions of years. +
QDSSM is a 3D cellular, forward numerical … QDSSM is a 3D cellular, forward numerical model coded in Fortran90 that simulates landscape evolution and stratigraphy as controlled by changes in sea-level, subsidence, discharge and bedload flux. The model includes perfect and imperfect sorting modules of grain size and allows stratigraphy to be build over time spans of 1000 to million of years.er time spans of 1000 to million of years. +
George +
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ASCII +
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0 +
Coastal +
As code +
Single +
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02:19:52, 17 September 2020 +
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Quantitative Dynamic Sequence Stratigraphic Model +
Binary +
Budapestlaan 4 +
3584 CD +
false +
false +
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Other +
NOT SURE +
Fortran90 +
On a 0.5 GHz Windows server, a 1000 time s … On a 0.5 GHz Windows server, a 1000 time steps and 50 x 50 cell grids takes less than 2 minutes. The run time is never an issue. Getting the input files in place to make a run is the limiting factor. Memory becomes an issue with increasing size of the cell grid.sue with increasing size of the cell grid. +
Landscape-Scale +
1998 +
Windows +
Project manager +
Surfer +
