Spatially Distributed Simulation of Soil Nitrogen Dynamics
- Author: O.Conrad (c) 2003
- Menu: Simulation | Ecology | Modelling the Human Impact on Nature
Description
A simple spatially distributed simulation model of soil nitrogen dynamics.
References
- Hugget, R.J. (1993): Modelling the Human Impact on Nature. Oxford University Press.
Parameters
Name | Type | Identifier | Description | Constraints | |
---|---|---|---|---|---|
Input | Elevation | grid, input | DEM | - | - |
Output | Soil Nitrogen | grid, output | NSTORE | - | - |
Options | Grid System | grid system | PARAMETERS_GRID_SYSTEM | - | - |
Time Span | floating point number | TIME_SPAN | [yrs] | Minimum: 0.000000 Default: 100.000000 | |
Time Interval | floating point number | TIME_STEP | [yrs] | Minimum: 0.000000 Default: 1.000000 | |
Initial Nitrogen Content | floating point number | NINIT | [kg/ha] | Minimum: 0.000000 Default: 5000.000000 | |
Nitrogen in Rainfall | floating point number | NRAIN | [kg/ha/yr] | Minimum: 0.000000 Default: 16.000000 | |
Update View | boolean | UPDATE | - | Default: 1 |
Command Line
Usage: saga_cmd sim_ecosystems_hugget 2 [-DEM] [-NSTORE ] [-TIME_SPAN ] [-TIME_STEP ] [-NINIT ] [-NRAIN ] [-UPDATE ] -DEM: Elevation grid, input -NSTORE: Soil Nitrogen grid, output -TIME_SPAN: Time Span floating point number Minimum: 0.000000 Default: 100.000000 -TIME_STEP: Time Interval floating point number Minimum: 0.000000 Default: 1.000000 -NINIT: Initial Nitrogen Content floating point number Minimum: 0.000000 Default: 5000.000000 -NRAIN: Nitrogen in Rainfall floating point number Minimum: 0.000000 Default: 16.000000 -UPDATE: Update View boolean Default: 1