Concept
Surface downwelling radiance per unit wavelength in sea water
| URI | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_radiance_per_unit_wavelength_in_sea_water/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | The surface called "surface" means the lower boundary of the atmosphere. 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. 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. A coordinate variable for radiation wavelength should be given the standard name radiation_wavelength. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2018-07-03 16:09:23.0 | ||
| replaces | surface_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/surface_downwelling_radiance_per_unit_wavelength_in_sea_water | ||
| http://vocab.nerc.ac.uk/standard_name/surface_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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