Longwave Radiation
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- The radiation emitted in the spectral wavelength greater than 4 micrometers corresponding to the radiation emitted from the Earth and atmosphere. It is sometimes referred to as 'terrestrial radiation' or 'infrared radiation,' although somewhat imprecisely. See infrared radiation.
EPA - Cite This Source - This Definition - The radiation emitted in the spectral wavelength greater than 4 micrometers corresponding to the radiation emitted from the Earth and atmosphere. It is sometimes referred to as terrestrial radiation or infrared radiation, although somewhat imprecisely. See infrared radiation.
EPA - Cite This Source - This Definition - Longwave radiation Heat radiation with wavelengths greater 4 µm.
NSIDC - Cite This Source - This Definition - Atmospheric radiation, Earth radiation, Effective terrestrial radiation, Greenhouse Effect, greenhouse gases, Infrared Radiation, Net terrestrial radiation, Shortwave radiation, Terrestrial, Terrestrial radiation
- A term used to describe the infrared energy emitted by the earth and atmosphere at wavelengths between about 5 and 25 micrometers. Compare shortwave radiation.
NOAA National Weather Service - Cite This Source - This Definition - blackbody, Blackbody Radiation, dispersion, gamma ray, Graybody, Microwave, Photosphere, radiation, Radiation Laws, Shortwave radiation, ultraviolet radiation, Visual Spectrum, X-Rays