Concept information
Preferred term
downwelling_longwave_flux_in_air
Definition
- Downwelling radiation is radiation from above. It does not mean "net downward". The sign convention is that "upwelling" is positive upwards and "downwelling" is positive downwards. The term "longwave" means longwave radiation. When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.
Note
- Mapping to be determined
URI
https://vocab.met.no/CFSTDN/downwelling_longwave_flux_in_air
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