Tool Spatially Distributed Simulation of Soil Nitrogen Dynamics

A simple spatially distributed simulation model 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	Floating point	`TIME_SPAN`	[yrs]	Minimum: 0.000000 Default: 100.000000
	Time Interval	Floating point	`TIME_STEP`	[yrs]	Minimum: 0.000000 Default: 1.000000
	Initial Nitrogen Content	Floating point	`NINIT`	[kg/ha]	Minimum: 0.000000 Default: 5000.000000
	Nitrogen in Rainfall	Floating point	`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 <str>] [-NSTORE <str>] [-TIME_SPAN <double>] [-TIME_STEP <double>] [-NINIT <double>] [-NRAIN <double>] [-UPDATE <str>]
  -DEM:<str>         	Elevation
	Grid, input
  -NSTORE:<str>      	Soil Nitrogen
	Grid, output
  -TIME_SPAN:<double>	Time Span
	Floating point
	Minimum: 0.000000
	Default: 100.000000
  -TIME_STEP:<double>	Time Interval
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -NINIT:<double>    	Initial Nitrogen Content
	Floating point
	Minimum: 0.000000
	Default: 5000.000000
  -NRAIN:<double>    	Nitrogen in Rainfall
	Floating point
	Minimum: 0.000000
	Default: 16.000000
  -UPDATE:<str>      	Update View
	Boolean
	Default: 1