Carbon Cycle Simulation for Terrestrial Biomass

Author: O.Conrad (c) 2003
Menu: Simulation | Ecology | Modelling the Human Impact on Nature

Description

Simulation of the Carbon Cycle in Terrestrial Biomass.

References

Hugget, R.J. (1993): Modelling the Human Impact on Nature. Oxford University Press.

Parameters

	Name	Type	Identifier	Description	Constraints
Output	Terrestrial Carbon	table, output	`TABLE`	-	-
Options	Time Span	floating point number	`TIME_SPAN`	[yrs]	Minimum: 0.000000 Default: 500.000000
	Time Interval	floating point number	`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 number	`PRIMPROD`	[Gt C / yr]	Minimum: 0.000000 Default: 27.800000
	Leaves	floating point number	`P_LEAV`	fraction	Minimum: 0.000000 Default: 0.300000
	Branches	floating point number	`P_BRAN`	fraction	Minimum: 0.000000 Default: 0.200000
	Stems	floating point number	`P_STEM`	fraction	Minimum: 0.000000 Default: 0.300000
	Roots	floating point number	`P_ROOT`	fraction	Minimum: 0.000000 Default: 0.200000
	Leaves to Litter	floating point number	`K_LEAV_LITT`	[1 / yr]	Minimum: 0.000000 Default: 1.000000
	Branches to Litter	floating point number	`K_BRAN_LITT`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Stems to Litter	floating point number	`K_STEM_LITT`	[1 / yr]	Minimum: 0.000000 Default: 0.033000
	Roots to Humus	floating point number	`K_ROOT_HUMU`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Litter to Humus	floating point number	`K_LITT_HUMU`	[1 / yr]	Minimum: 0.000000 Default: 1.000000
	Humus to Charcoal	floating point number	`K_HUMU_COAL`	[1 / yr]	Minimum: 0.000000 Default: 0.100000
	Charcoal to Environment	floating point number	`K_COAL_ENVI`	[1 / yr]	Minimum: 0.000000 Default: 0.002000
	Humification	floating point number	`CHUMIFY`	fraction	Minimum: 0.000000 Default: 0.400000
	Carbonization	floating point number	`CCARBON`	fraction	Minimum: 0.000000 Default: 0.050000

Command Line


Usage: saga_cmd sim_ecosystems_hugget 1 [-TABLE ] [-TIME_SPAN ] [-TIME_STEP ] [-PRESETS ] [-PRIMPROD ] [-P_LEAV ] [-P_BRAN ] [-P_STEM ] [-P_ROOT ] [-K_LEAV_LITT ] [-K_BRAN_LITT ] [-K_STEM_LITT ] [-K_ROOT_HUMU ] [-K_LITT_HUMU ] [-K_HUMU_COAL ] [-K_COAL_ENVI ] [-CHUMIFY ] [-CCARBON ]
  -TABLE:            Terrestrial Carbon
	table, output
  -TIME_SPAN:     Time Span
	floating point number
	Minimum: 0.000000
	Default: 500.000000
  -TIME_STEP:     Time Interval
	floating point number
	Minimum: 0.000000
	Default: 0.100000
  -PRESETS:
                          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:      Net Primary Production
	floating point number
	Minimum: 0.000000
	Default: 27.800000
  -P_LEAV:        Leaves
	floating point number
	Minimum: 0.000000
	Default: 0.300000
  -P_BRAN:        Branches
	floating point number
	Minimum: 0.000000
	Default: 0.200000
  -P_STEM:        Stems
	floating point number
	Minimum: 0.000000
	Default: 0.300000
  -P_ROOT:        Roots
	floating point number
	Minimum: 0.000000
	Default: 0.200000
  -K_LEAV_LITT:   Leaves to Litter
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -K_BRAN_LITT:   Branches to Litter
	floating point number
	Minimum: 0.000000
	Default: 0.100000
  -K_STEM_LITT:   Stems to Litter
	floating point number
	Minimum: 0.000000
	Default: 0.033000
  -K_ROOT_HUMU:   Roots to Humus
	floating point number
	Minimum: 0.000000
	Default: 0.100000
  -K_LITT_HUMU:   Litter to Humus
	floating point number
	Minimum: 0.000000
	Default: 1.000000
  -K_HUMU_COAL:   Humus to Charcoal
	floating point number
	Minimum: 0.000000
	Default: 0.100000
  -K_COAL_ENVI:   Charcoal to Environment
	floating point number
	Minimum: 0.000000
	Default: 0.002000
  -CHUMIFY:       Humification
	floating point number
	Minimum: 0.000000
	Default: 0.400000
  -CCARBON:       Carbonization
	floating point number
	Minimum: 0.000000
	Default: 0.050000