Tool Diffusive Hillslope Evolution (FTCS)

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.

Author: O.Conrad (c) 2013
Menu: Simulation|Hillslope Evolution

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Elevation	Grid (input)	`DEM`	-	-
Output	Modelled Elevation	Grid (output)	`MODEL`	-	-
Output	Elevation Difference (*)	Grid (optional output)	`DIFF`	-	-
Options	Grid system	Grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Update	Boolean	`UPDATE`	-	Default: 1
	Diffusivity [m2 / kyr]	Floating point	`KAPPA`	-	Minimum: 0.000000 Default: 1.000000
	Simulation Time [kyr]	Floating point	`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	`DTIME`	-	Minimum: 0.000000 Default: 10.000000
	Neighbourhood	Choice	`NEIGHBOURS`	-	Available Choices: [0] Neumann [1] Moore Default: 1
(*) optional

Command-line

Usage: saga_cmd sim_qm_of_esp 0 [-DEM <str>] [-MODEL <str>] [-DIFF <str>] [-UPDATE <str>] [-KAPPA <double>] [-DURATION <double>] [-TIMESTEP <str>] [-DTIME <double>] [-NEIGHBOURS <str>]
  -DEM:<str>        	Elevation
	Grid (input)
  -MODEL:<str>      	Modelled Elevation
	Grid (output)
  -DIFF:<str>       	Elevation Difference
	Grid (optional output)
  -UPDATE:<str>     	Update
	Boolean
	Default: 1
  -KAPPA:<double>   	Diffusivity [m2 / kyr]
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -DURATION:<double>	Simulation Time [kyr]
	Floating point
	Minimum: 0.000000
	Default: 100.000000
  -TIMESTEP:<str>   	Time Step
	Choice
	Available Choices:
	[0] user defined
	[1] automatically
	Default: 1
  -DTIME:<double>   	Time Step [kyr]
	Floating point
	Minimum: 0.000000
	Default: 10.000000
  -NEIGHBOURS:<str> 	Neighbourhood
	Choice
	Available Choices:
	[0] Neumann
	[1] Moore
	Default: 1