Sigma-stp: Difference between revisions
From Glossary of Meteorology
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<div class="definition"><div class="short_definition">(Symbol σ<sub>''S''''T''''p''</sub>.) The [[density]] ρ (in kg m<sup> | <div class="definition"><div class="short_definition">(Symbol σ<sub>''S''''T''''p''</sub>.) The [[density]] ρ (in kg m<sup>-3</sup>) that seawater of [[salinity]] ''S'' and [[temperature]] ''T'' would have at [[pressure]] ''p'', less 1000 kg m<sup>-3</sup>.</div><br/> <div class="paragraph">In symbols, <div class="display-formula"><blockquote>[[File:ams2001glos-Se23.gif|link=|center|ams2001glos-Se23]]</blockquote></div> where ''p'' is the [[atmospheric pressure]] relative to that at the sea surface. This definition includes the effects of [[compressibility]] in calculating the density but does not include the effects of [[adiabatic]] warming due to compression.</div><br/> </div> | ||
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Latest revision as of 16:06, 20 February 2012
sigma-STp
(Symbol σS'T'p.) The density ρ (in kg m-3) that seawater of salinity S and temperature T would have at pressure p, less 1000 kg m-3.
In symbols, where p is the atmospheric pressure relative to that at the sea surface. This definition includes the effects of compressibility in calculating the density but does not include the effects of adiabatic warming due to compression.