Concept
mass_concentration_of_chlorophyll_a_in_sea_water
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CF14N7/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | "Mass concentration" means mass per unit volume and is used in the construction mass_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as "nitrogen" or a phrase such as "nox_expressed_as_nitrogen". Chlorophylls are the green pigments found in most plants, algae and cyanobacteria; their presence is essential for photosynthesis to take place. There are several different forms of chlorophyll that occur naturally. All contain a chlorin ring (chemical formula C20H16N4) which gives the green pigment and a side chain whose structure varies. The naturally occurring forms of chlorophyll contain between 35 and 55 carbon atoms. Chlorophyll-a is the most commonly occurring form of natural chlorophyll. The chemical formula of chlorophyll-a is C55H72O5N4Mg. | ||
| Date | 2013-11-08T14:08:48 | ||
| Identifier | SDN:P07::CF14N7 | ||
| Note | accepted | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| version | 2 | ||
| inScheme | http://vocab.nerc.ac.uk/scheme/NETOC_PARAM/current/ | ||
| http://vocab.nerc.ac.uk/scheme/NETMAR_OCEAN/current/ | |||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/mass_concentration_of_chlorophyll_a_in_sea_water | Mapping: 257006 |
| CF | http://vocab.nerc.ac.uk/standard_name/mass_concentration_of_chlorophyll_a_in_sea_water/ | Mapping: 361992 | |
| Broader | P02:CPWC |
Chlorophyll pigment concentrations in water bodies | Mapping: 183317 |
A05:EV_CHLA |
Chlorophyll-a and fluorescence | Mapping: 875129 | |
P25:SALIN |
Water salinity | Mapping: 341897 | |
| Narrower | P01:CPHLPR01 |
Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit volume of the water body [particulate >unknown phase] by in-situ chlorophyll fluorometer | Mapping: 1533417 |
| Related | P06:UKMC |
Kilograms per cubic metre | Mapping: 171987 |
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