Earth's Orbital Parameters

Author: O.Conrad (c) 2012
Menu: Climate and Weather | Earth's Orbital Parameters

Description

Orbital parameters used here are based on the work of Andre L. Berger and its implementation from the NASA Goddard Institute for Space Studies (GISS). Berger's orbital parameters are considered to be valid for approximately 1 million years.

References

Berger, A.L. (1978): A Simple Algorithm to Compute Long Term Variations of Daily or Monthly Insolation. Institut d'Astronomie et de Geophysique, Universite Catholique de Louvain, Louvain-la-Neuve, No. 18.
Berger, A.L. (1978): Long Term Variations of Daily Insolation and Quaternary Climatic Changes. Journal of the Atmospheric Sciences, volume 35(12), 2362-2367.

Parameters

	Name	Type	Identifier	Description	Constraints
Output	Earth's Orbital Parameters	table, output	`ORBPAR`	-	-
Options	Start [ka]	floating point number	`START`	-	Default: -200.000000
	Stop [ka]	floating point number	`STOP`	-	Default: 2.000000
	Step [ka]	floating point number	`STEP`	-	Minimum: 0.001000 Default: 1.000000

Command Line


Usage: saga_cmd climate_tools 2 [-ORBPAR ] [-START ] [-STOP ] [-STEP ]
  -ORBPAR:  	Earth's Orbital Parameters
	table, output
  -START:	Start [ka]
	floating point number
	Default: -200.000000
  -STOP: 	Stop [ka]
	floating point number
	Default: 2.000000
  -STEP: 	Step [ka]
	floating point number
	Minimum: 0.001000
	Default: 1.000000