Concept
downwelling_photosynthetic_photon_spherical_irradiance_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0678/2/ | |
|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | |
| Alternative Labels | ||
| Definition | Downwelling radiation is radiation from above. It does not mean "net downward". "Photosynthetic" radiation is the part of the spectrum which is used in photosynthesis e.g. 400-700 nm. The range of wavelengths could be specified precisely by the bounds of a coordinate of 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 | None | |
| Identifier | CFSN0678 | |
| Note | accepted | |
| Is Version Of | CFSN0678 | |
| version | 2 | |
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