Concept information
Preferred term
downwelling_radiance_per_unit_wavelength_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. A coordinate variable for radiation wavelength should be given the standard name radiation_wavelength. Radiance is the radiative flux in a particular direction, per unit of solid angle. The direction from which it is coming must be specified, for instance with a coordinate of zenith_angle. If the radiation does not depend on direction, a standard name of isotropic radiance should be chosen instead.
Note
- Mapping to be determined
URI
https://vocab.met.no/CFSTDN/downwelling_radiance_per_unit_wavelength_in_air
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