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.
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http://purl.oclc.o.../ssn#isPropertyOf | |
http://purl.oclc.o...neralQuantityKind | |
http://purl.oclc.o...u/qu#propertyType |