Tool Daily Insolation over Latitude
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): Long Term Variations of Daily Insolation and Quaternary Climatic Changes. Journal of the Atmospheric Sciences, volume 35(12), 2362-2367.
- 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.
- Author: O.Conrad (c) 2012
- Menu: Climate|Earth's Orbital Parameters
Parameters
| Name | Type | Identifier | Description | Constraints |
Output | Solar Radiation | Table (output) | SOLARRAD | - | - |
Options | Start [ka] | Floating point | START | - | Default: -200.000000 |
Stop [ka] | Floating point | STOP | - | Default: 2.000000 |
Step [ka] | Floating point | STEP | - | Minimum: 0.000000 Default: 1.000000 |
Latitude Increment [Degree] | Integer | DLAT | - | Minimum: 0 Maximum: 90 Default: 5 |
Day of Year | Integer | DAY | - | Minimum: 0 Maximum: 366 Default: 181 |
Command-line
Usage: saga_cmd climate_tools 4 [-SOLARRAD <str>] [-START <double>] [-STOP <double>] [-STEP <double>] [-DLAT <num>] [-DAY <num>]
-SOLARRAD:<str> Solar Radiation
Table (output)
-START:<double> Start [ka]
Floating point
Default: -200.000000
-STOP:<double> Stop [ka]
Floating point
Default: 2.000000
-STEP:<double> Step [ka]
Floating point
Minimum: 0.000000
Default: 1.000000
-DLAT:<num> Latitude Increment [Degree]
Integer
Minimum: 0
Maximum: 90
Default: 5
-DAY:<num> Day of Year
Integer
Minimum: 0
Maximum: 366
Default: 181