Concept
downwelling_photosynthetic_spherical_irradiance_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0681/1/ | |
|---|---|---|
| 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. 300-700 nm. The range of wavelengths could be specified precisely by the bounds of a coordinate of radiation_wavelength. Spherical irradiance is the radiation incident on unit area of a hemispherical (or '2-pi') collector. It is sometimes called 'scalar irradiance'. The direction (up/downwelling) is specified. Radiation incident on a 4-pi collector has standard names of 'omnidirectional spherical irradiance'. | |
| Date | None | |
| Identifier | CFSN0681 | |
| Note | accepted | |
| Is Version Of | CFSN0681 | |
| version | 1 | |
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