Parameter Tree:
EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC RADIATION > LONGWAVE RADIATION

Definition:
Longwave radiation is radiation with wavelengths longer than 4 micros.
Also referred to as infrared radiation or terrestrial radiation. 


Reference:
WMO. 1966. International Meteorological Vocabulary. WMO/OMM/BMO, No. 182. TP.
91., Switzerland.