Concept
sea_water_sigma_theta
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0333/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| Definition | Sigma-theta of sea water is the potential density (i.e. the density when moved adiabatically to a reference pressure) of water having the same temperature and salinity, minus 1000 kg m-3. Note that sea water sigma is not the same quantity as the dimensionless ocean sigma coordinate (see Appendix D of the CF convention), for which there is another standard name. To specify the reference pressure to which the quantity applies, provide a scalar coordinate variable with standard name reference_pressure. | ||
| Date | 2020-02-03T16:02:3 | ||
| Identifier | SDN:P07::CFSN0333 | ||
| Note | accepted | ||
| Has Current Version | 2 | ||
| Version | 1 | ||
| version | 2 | ||
| Same As | MMI | http://mmisw.org/ont/cf/parameter/sea_water_sigma_theta | Mapping: 259596 |
| CF | http://vocab.nerc.ac.uk/standard_name/sea_water_sigma_theta/ | Mapping: 350155 | |
| Broader | P02:SIGT |
Density of the water column | Mapping: 32602 |
P04:G990 |
EARTH SCIENCE > Oceans > Salinity/Density > Density | Mapping: 36152 | |
P64:G990 |
EARTH SCIENCE > Oceans > Salinity/Density > Density | Mapping: 503796 | |
| Narrower | P01:SIGTPR01 |
Sigma-theta of the water body by CTD and computation from salinity and potential temperature using UNESCO algorithm | Mapping: 1534412 |
| Related | P06:UKMC |
Kilograms per cubic metre | Mapping: 161564 |
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