Concept
surface_downwelling_photon_spherical_irradiance_per_unit_wavelength_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/JFTGSY33/2/ | ||
|---|---|---|---|
| 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. A coordinate variable for radiation wavelength should be given the standard name radiation_wavelength. Photon spherical irradiance is the photon flux incident on unit area of a hemispherical (or "2-pi") collector. The direction ("up/downwelling") is specified. Radiation incident on a 4-pi collector has a standard name referring to "omnidirectional spherical irradiance". A photon flux is specified in terms of numbers of photons expressed in moles. | ||
| Date | 2018-07-03T16:09:23 | ||
| Identifier | SDN:P07::JFTGSY33 | ||
| Note | accepted | ||
| Is Version Of | JFTGSY33 | ||
| Previous Version | 1 | ||
| replaces | surface_downwelling_spectral_photon_spherical_irradiance_in_sea_water | ||
| version | 2 | ||
| Same As | P07:CFSN0257 |
surface_downwelling_spectral_photon_spherical_irradiance_in_sea_water | |
| MMI | http://mmisw.org/ont/cf/parameter/surface_downwelling_photon_spherical_irradiance_per_unit_wavelength_in_sea_water | ||
| CF | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_photon_spherical_irradiance_per_unit_wavelength_in_sea_water/ | ||
| Broader | P02:VSRW |
Visible waveband radiance and irradiance measurements in the water column | |
| Related | P06:M2MM |
Moles per square metre per second per metre | |
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