Concept
Downwelling photon flux in sea water
| URI | http://vocab.nerc.ac.uk/standard_name/downwelling_photon_flux_in_sea_water/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | 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. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2018-07-03 16:09:23.0 | ||
| Broad Match | P04:G947 |
EARTH SCIENCE > Oceans > Ocean Optics > Irradiance | |
P64:G947 |
EARTH SCIENCE > Oceans > Ocean Optics > Irradiance | ||
P02:VSRW |
Visible waveband radiance and irradiance measurements in the water column | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/downwelling_photon_flux_in_sea_water | ||
| http://vocab.nerc.ac.uk/standard_name/downwelling_photon_flux_in_sea_water/ | |||
P07:CFSN0673 |
downwelling_photon_flux_in_sea_water | ||
| Related | P06:M2MS |
Moles per square metre per second | |
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