Tool Diffusive Hillslope Evolution (ADI)
Simulation of diffusive hillslope evolution using an Alternating-Direction-Implicit (ADI) method.
References
- Pelletier, J.D. (2008): Quantitative Modeling of Earth Surface Processes. Cambridge, 295p.
- Author: O.Conrad (c) 2013
- Menu: Simulation|Hillslope Evolution
Parameters
Name | Type | Identifier | Description | Constraints | |
---|---|---|---|---|---|
Input | Elevation | Grid, input | DEM | - | - |
Channel Mask (*) | Grid, input, optional | CHANNELS | use a zero value for hillslopes, any other value for channel cells. | - | |
Output | Modelled Elevation | Grid, output | MODEL | - | - |
Elevation Difference (*) | Grid, output, optional | DIFF | - | - | |
Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
Update | Boolean | UPDATE | - | Default: 1 | |
Diffusivity [m2 / kyr] | Floating point | KAPPA | - | Minimum: 0.000000 Default: 10.000000 | |
Simulation Time [kyr] | Floating point | DURATION | - | Minimum: 0.000000 Default: 10000.000000 | |
Time Step | Choice | TIMESTEP | - | Available Choices: [0] user defined [1] automatically Default: 0 | |
Time Step [kyr] | Floating point | DTIME | - | Minimum: 0.000000 Default: 1000.000000 | |
(*) optional |
Command-line
Usage: saga_cmd sim_qm_of_esp 4 [-DEM <str>] [-CHANNELS <str>] [-MODEL <str>] [-DIFF <str>] [-UPDATE <str>] [-KAPPA <double>] [-DURATION <double>] [-TIMESTEP <str>] [-DTIME <double>] -DEM:<str> Elevation Grid, input -CHANNELS:<str> Channel Mask Grid, input, optional -MODEL:<str> Modelled Elevation Grid, output -DIFF:<str> Elevation Difference Grid, output, optional -UPDATE:<str> Update Boolean Default: 1 -KAPPA:<double> Diffusivity [m2 / kyr] Floating point Minimum: 0.000000 Default: 10.000000 -DURATION:<double> Simulation Time [kyr] Floating point Minimum: 0.000000 Default: 10000.000000 -TIMESTEP:<str> Time Step Choice Available Choices: [0] user defined [1] automatically Default: 0 -DTIME:<double> Time Step [kyr] Floating point Minimum: 0.000000 Default: 1000.000000