Diffusive Hillslope Evolution (FTCS)
- Author: O.Conrad (c) 2013
- Menu: Simulation | Hillslope Evolution
Description
Simulation of diffusive hillslope evolution using a Forward-Time-Centered-Space (FTCS) method.
References
- Pelletier, J.D. (2008): Quantitative Modeling of Earth Surface Processes. Cambridge, 295p.
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Elevation | grid, input | DEM | - | - |
| 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 number | KAPPA | - | Minimum: 0.000000
Default: 1.000000 |
| Simulation Time [kyr] | floating point number | DURATION | - | Minimum: 0.000000
Default: 100.000000 |
| Time Step | choice | TIMESTEP | - | Available Choices:
[0] user defined
[1] automatically
Default: 1 |
| Time Step [kyr] | floating point number | DTIME | - | Minimum: 0.000000
Default: 10.000000 |
| Neighbourhood | choice | NEIGHBOURS | - | Available Choices:
[0] Neumann
[1] Moore
Default: 1 |
Command Line
Usage: saga_cmd sim_qm_of_esp 0 [-DEM ] [-MODEL ] [-DIFF ] [-UPDATE ] [-KAPPA ] [-DURATION ] [-TIMESTEP ] [-DTIME ] [-NEIGHBOURS ]
-DEM: Elevation
grid, input
-MODEL: Modelled Elevation
grid, output
-DIFF: Elevation Difference
grid, output, optional
-UPDATE: Update
boolean
Default: 1
-KAPPA: Diffusivity [m2 / kyr]
floating point number
Minimum: 0.000000
Default: 1.000000
-DURATION: Simulation Time [kyr]
floating point number
Minimum: 0.000000
Default: 100.000000
-TIMESTEP: Time Step
choice
Available Choices:
[0] user defined
[1] automatically
Default: 1
-DTIME: Time Step [kyr]
floating point number
Minimum: 0.000000
Default: 10.000000
-NEIGHBOURS: Neighbourhood
choice
Available Choices:
[0] Neumann
[1] Moore
Default: 1