Concept
Mass concentration of chlorophyll a in sea floor sediment
| URI | http://vocab.nerc.ac.uk/standard_name/mass_concentration_of_chlorophyll_a_in_sea_floor_sediment/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| 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 species or biological group 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. "Sea floor sediment" is sediment deposited at the sea bed. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2024-01-18 09:01:44.0 | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/mass_concentration_of_chlorophyll_a_in_sea_floor_sediment | ||
| http://vocab.nerc.ac.uk/standard_name/mass_concentration_of_chlorophyll_a_in_sea_floor_sediment/ | |||
P07:85WOXN4A |
mass_concentration_of_chlorophyll_a_in_sea_floor_sediment | ||
| Related | P06:UKMC |
Kilograms per cubic metre | |
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