Concept
in-situ fast repetition rate fluorometer (FRRF)
| URI | http://vocab.nerc.ac.uk/collection/S04/current/S04218/2/ | ||
|---|---|---|---|
| Within Vocab | BODC parameter semantic model analytical method entity descriptions | ||
| Alternative Labels | in-situ FRRF | ||
| Definition | A fluorometer designed to measure variable fluorescence of living communities of marine phytoplankton in place in the field. It outputs high frequency (200 kHz) flashes enabling the measurement of the absorption cross section of Photosystem II, the rate of photosynthetic electron transport and the level of photochemical quenching. Some types have dual sample chambers allowing comparisons to be made of ambiently-irradiated and dark adapted phytoplankton samples. | ||
| Date | 2009-12-08T10:20:27 | ||
| Identifier | SDN:S04::S04218 | ||
| Note | accepted | ||
| Is Version Of | S04218 | ||
| Previous Version | 1 | ||
| version | 2 | ||
| Broader | S01:S0110 |
analytical method entity | |
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