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Concept

surface_downwelling_photon_radiance_in_sea_water

URI http://vocab.nerc.ac.uk/collection/P07/current/CFSN0282/
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
Has Current Version 2
Version 1
version 2
Same As MMI http://mmisw.org/ont/cf/parameter/surface_downwelling_photon_radiance_in_sea_waterMapping: 259239
CF http://vocab.nerc.ac.uk/standard_name/surface_downwelling_photon_radiance_in_sea_water/Mapping: 353501
Broader P04:G951 EARTH SCIENCE > Oceans > Ocean Optics > Radiance Mapping: 36207
P64:G951 EARTH SCIENCE > Oceans > Ocean Optics > Radiance Mapping: 503874
Related P04:G950 EARTH SCIENCE > Oceans > Ocean Optics > Photosynthetically Active Radiation Mapping: 37013
P64:G950 EARTH SCIENCE > Oceans > Ocean Optics > Photosynthetically Active Radiation Mapping: 503743
P06:M3SR Moles per square metre per second per steradian Mapping: 161612

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