Concept
downwelling_radiance_per_unit_wavelength_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/HLKZ2VSL/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| 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. | ||
| Date | 2018-07-03T16:09:23 | ||
| Identifier | SDN:P07::HLKZ2VSL | ||
| Note | accepted | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| replaces | downwelling_spectral_radiance_in_air | ||
| version | 2 | ||
| Same As | P07:CFSN0665 |
downwelling_spectral_radiance_in_air | Mapping: 483375 |
| MMI | http://mmisw.org/ont/cf/parameter/downwelling_radiance_per_unit_wavelength_in_air | Mapping: 267968 | |
| CF | http://vocab.nerc.ac.uk/standard_name/downwelling_radiance_per_unit_wavelength_in_air/ | Mapping: 363210 | |
| Broader | P02:VSRA |
Visible waveband radiance and irradiance measurements in the atmosphere | Mapping: 489784 |
| Related | P06:WM2S |
Watts per square metre per metre per steradian | Mapping: 483204 |
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