Definition
[[GlossaryDefinition::1. [...] the period during which direct solar irradiance exceeds a threshold value of 120 W/m².]]
2. In 2003, WMO defined sunshine duration as the period during which direct solar irradiance exceeds a threshold value of 120 watts per square meter (W/m2 ).
Abbreviation
Synonyms
Sunhsine Duration
Superterms
Solar radiation data
Subterms
Sources
https://en.wikipedia.org/wiki/Sunshine_duration (1.); http://www.jma.go.jp/jma/jma-eng/jma-center/ric/Our%20activities/International/CP7-Sunshine.pdf (2.)
Author: Michael Schaper
