Sigma-theta
From Glossary of Meteorology
Revision as of 16:06, 20 February 2012 by imported>Perlwikibot
sigma-theta
(Symbol σθ.) The density ρ (less 1000 kg m-3) that a parcel of water of salinity S and temperature T would have if it were raised adiabatically to the sea surface, where its temperature would change from T to potential temperature θ due to adiabatic decompression.
In symbols,