Tool Carbon Cycle Simulation for Terrestrial Biomass

Simulation of the Carbon Cycle in Terrestrial Biomass.

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
Output	Terrestrial Carbon	Table, output	`TABLE`	-	-
Options	Time Span	Floating point	`TIME_SPAN`	[yrs]	Minimum: 0.000000 Default: 500.000000
	Time Interval	Floating point	`TIME_STEP`	[yrs]	Minimum: 0.000000 Default: 0.100000
	Presets	Choice	`PRESETS`	-	Available Choices: [0] Tropical forest [1] Temperate forest [2] Grassland [3] Agricultural area [4] Human area [5] Tundra and semi-desert [6] Adjust parameters manually Default: 0
	Net Primary Production	Floating point	`PRIMPROD`	[Gt C / yr]	Minimum: 0.000000 Default: 27.800000
	Leaves	Floating point	`P_LEAV`	fraction	Minimum: 0.000000 Default: 0.300000
	Branches	Floating point	`P_BRAN`	fraction	Minimum: 0.000000 Default: 0.200000
	Stems	Floating point	`P_STEM`	fraction	Minimum: 0.000000 Default: 0.300000
	Roots	Floating point	`P_ROOT`	fraction	Minimum: 0.000000 Default: 0.200000
	Leaves to Litter	Floating point	`K_LEAV_LITT`	[1 / yr]	Minimum: 0.000000 Default: 1.000000
	Branches to Litter	Floating point	`K_BRAN_LITT`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Stems to Litter	Floating point	`K_STEM_LITT`	[1 / yr]	Minimum: 0.000000 Default: 0.033000
	Roots to Humus	Floating point	`K_ROOT_HUMU`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Litter to Humus	Floating point	`K_LITT_HUMU`	[1 / yr]	Minimum: 0.000000 Default: 1.000000
	Humus to Charcoal	Floating point	`K_HUMU_COAL`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Charcoal to Environment	Floating point	`K_COAL_ENVI`	[1 / yr]	Minimum: 0.000000 Default: 0.002000
	Humification	Floating point	`CHUMIFY`	fraction	Minimum: 0.000000 Default: 0.400000
	Carbonization	Floating point	`CCARBON`	fraction	Minimum: 0.000000 Default: 0.050000

Command-line

Usage: saga_cmd sim_ecosystems_hugget 1 [-TABLE <str>] [-TIME_SPAN <double>] [-TIME_STEP <double>] [-PRESETS <str>] [-PRIMPROD <double>] [-P_LEAV <double>] [-P_BRAN <double>] [-P_STEM <double>] [-P_ROOT <double>] [-K_LEAV_LITT <double>] [-K_BRAN_LITT <double>] [-K_STEM_LITT <double>] [-K_ROOT_HUMU <double>] [-K_LITT_HUMU <double>] [-K_HUMU_COAL <double>] [-K_COAL_ENVI <double>] [-CHUMIFY <double>] [-CCARBON <double>]
  -TABLE:<str>         	Terrestrial Carbon
	Table, output
  -TIME_SPAN:<double>  	Time Span
	Floating point
	Minimum: 0.000000
	Default: 500.000000
  -TIME_STEP:<double>  	Time Interval
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -PRESETS:<str>       	Presets
	Choice
	Available Choices:
	[0] Tropical forest
	[1] Temperate forest
	[2] Grassland
	[3] Agricultural area
	[4] Human area
	[5] Tundra and semi-desert
	[6] Adjust parameters manually
	Default: 0
  -PRIMPROD:<double>   	Net Primary Production
	Floating point
	Minimum: 0.000000
	Default: 27.800000
  -P_LEAV:<double>     	Leaves
	Floating point
	Minimum: 0.000000
	Default: 0.300000
  -P_BRAN:<double>     	Branches
	Floating point
	Minimum: 0.000000
	Default: 0.200000
  -P_STEM:<double>     	Stems
	Floating point
	Minimum: 0.000000
	Default: 0.300000
  -P_ROOT:<double>     	Roots
	Floating point
	Minimum: 0.000000
	Default: 0.200000
  -K_LEAV_LITT:<double>	Leaves to Litter
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -K_BRAN_LITT:<double>	Branches to Litter
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -K_STEM_LITT:<double>	Stems to Litter
	Floating point
	Minimum: 0.000000
	Default: 0.033000
  -K_ROOT_HUMU:<double>	Roots to Humus
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -K_LITT_HUMU:<double>	Litter to Humus
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -K_HUMU_COAL:<double>	Humus to Charcoal
	Floating point
	Minimum: 0.000000
	Default: 0.100000
  -K_COAL_ENVI:<double>	Charcoal to Environment
	Floating point
	Minimum: 0.000000
	Default: 0.002000
  -CHUMIFY:<double>    	Humification
	Floating point
	Minimum: 0.000000
	Default: 0.400000
  -CCARBON:<double>    	Carbonization
	Floating point
	Minimum: 0.000000
	Default: 0.050000