Concept
surface_downwelling_photon_radiance_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0282/2/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| 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. Photon radiance is the photon 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 photon flux is specified in terms of numbers of photons expressed in moles. | ||
| Date | 2018-07-03T16:09:23 | ||
| Identifier | SDN:P07::CFSN0282 | ||
| Note | accepted | ||
| Is Version Of | CFSN0282 | ||
| Previous Version | 1 | ||
| version | 2 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/surface_downwelling_photon_radiance_in_sea_water | |
| CF | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_photon_radiance_in_sea_water/ | ||
| Broader | P04:G951 |
EARTH SCIENCE > Oceans > Ocean Optics > Radiance | |
P64:G951 |
EARTH SCIENCE > Oceans > Ocean Optics > Radiance | ||
| Related | P04:G950 |
EARTH SCIENCE > Oceans > Ocean Optics > Photosynthetically Active Radiation | |
P64:G950 |
EARTH SCIENCE > Oceans > Ocean Optics > Photosynthetically Active Radiation | ||
P06:M3SR |
Moles per square metre per second per steradian | ||
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