Tool 03: Spatially Distributed Simulation of Soil Nitrogen Dynamics
Spatially Distributed Simulation of Soil Nitrogen Dynamics. 
References
- Hugget, R.J. (1993): Modelling the Human Impact on Nature. Oxford University Press.
 
- Author: O.Conrad (c) 2003
 
- Menu: Simulation|Ecology|Modelling the Human Impact on Nature
 
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 [a] | Floating point | TIME_SPAN | - | Minimum: 0.000000 Default: 100.000000 | 
 | Time Interval [a] | Floating point | TIME_STEP | - | Minimum: 0.000000 Default: 0.100000 | 
 | Update View | Boolean | UPDATE | - | Default: 1 | 
 | Initial Nitrogen Content [kg/ha] | Floating point | NINIT | - | Minimum: 0.000000 Default: 5000.000000 | 
 | Nitrogen in Rainfall [kg/ha/a] | Floating point | NRAIN | - | Minimum: 0.000000 Default: 16.000000 | 
Command-line
Usage: saga_cmd sim_ecosystems_hugget 2 [-DEM <str>] [-NSTORE <str>] [-TIME_SPAN <double>] [-TIME_STEP <double>] [-UPDATE <str>] [-NINIT <double>] [-NRAIN <double>]
  -DEM:<str>         	Elevation
	Grid, input
  -NSTORE:<str>      	Soil Nitrogen
	Grid, output
  -TIME_SPAN:<double>	Time Span [a]
	Floating point
	Minimum: 0.000000
	Default: 100.000000
  -TIME_STEP:<double>	Time Interval [a]
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -UPDATE:<str>      	Update View
	Boolean
	Default: 1
  -NINIT:<double>    	Initial Nitrogen Content [kg/ha]
	Floating point
	Minimum: 0.000000
	Default: 5000.000000
  -NRAIN:<double>    	Nitrogen in Rainfall [kg/ha/a]
	Floating point
	Minimum: 0.000000
	Default: 16.000000