Concept
Sea water sigma theta
| URI | http://vocab.nerc.ac.uk/standard_name/sea_water_sigma_theta/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| 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 | None | ||
| Note | accepted | ||
| modified | 2020-02-03 16:02:30.0 | ||
| Broad Match | P02:SIGT |
Density of the water column | |
P04:G990 |
EARTH SCIENCE > Oceans > Salinity/Density > Density | ||
P64:G990 |
EARTH SCIENCE > Oceans > Salinity/Density > Density | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/sea_water_sigma_theta | ||
| http://vocab.nerc.ac.uk/standard_name/sea_water_sigma_theta/ | |||
P07:CFSN0333 |
sea_water_sigma_theta | ||
| Narrow Match | P01:SIGTPR01 |
Sigma-theta of the water body by CTD and computation from salinity and potential temperature using UNESCO algorithm | |
| Related | P06:UKMC |
Kilograms per cubic metre | |
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