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