Concept
Downwelling radiance per unit wavelength in sea water
| URI | http://vocab.nerc.ac.uk/standard_name/downwelling_radiance_per_unit_wavelength_in_sea_water/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| 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 | None | ||
| Note | accepted | ||
| modified | 2018-07-03 16:09:23.0 | ||
| replaces | downwelling_spectral_radiance_in_sea_water | ||
| Broad Match | P02:VSRW |
Visible waveband radiance and irradiance measurements in the water column | |
| Exact Match | http://mmisw.org/ont/cf/parameter/downwelling_radiance_per_unit_wavelength_in_sea_water | ||
| http://vocab.nerc.ac.uk/standard_name/downwelling_radiance_per_unit_wavelength_in_sea_water/ | |||
| P07 Climate and Forecast Standard Names - (2) | |||
| Related | P06:WM2S |
Watts per square metre per metre per steradian | |
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