Concept
surface_downwelling_photon_flux_per_unit_wavelength_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/QASZPOPC/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 photon flux is specified in terms of numbers of photons expressed in moles. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. A coordinate variable for radiation wavelength should be given the standard name radiation_wavelength. | ||
| Date | 2018-07-03T16:09:23 | ||
| Identifier | SDN:P07::QASZPOPC | ||
| Note | accepted | ||
| Is Version Of | QASZPOPC | ||
| Previous Version | 1 | ||
| replaces | surface_downwelling_spectral_photon_flux_in_sea_water | ||
| version | 2 | ||
| Same As | P07:CFSN0277 |
surface_downwelling_spectral_photon_flux_in_sea_water | |
| MMI | http://mmisw.org/ont/cf/parameter/surface_downwelling_photon_flux_per_unit_wavelength_in_sea_water | ||
| CF | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_photon_flux_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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