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| Titel |
Numerical implementation and oceanographic application of the Gibbs thermodynamic potential of seawater |
| VerfasserIn |
R. Feistel |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1812-0784
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| Digitales Dokument |
URL |
| Erschienen |
In: Ocean Science ; 1, no. 1 ; Nr. 1, no. 1 (2005-04-12), S.9-16 |
| Datensatznummer |
250000096
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| Publikation (Nr.) |
 copernicus.org/os-1-9-2005.pdf |
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| Zusammenfassung |
| The 2003 Gibbs thermodynamic potential function represents a very accurate,
compact, consistent and comprehensive formulation of equilibrium properties
of seawater. It is expressed in the International Temperature Scale ITS-90
and is fully consistent with the current scientific pure water standard,
IAPWS-95. Source code examples in FORTRAN, C++ and Visual Basic are
presented for the numerical implementation of the potential function and its
partial derivatives, as well as for potential temperature. A collection of
thermodynamic formulas and relations is given for possible applications in
oceanography, from density and chemical potential over entropy and potential
density to mixing heat and entropy production. For colligative properties
like vapour pressure, freezing points, and for a Gibbs potential of sea ice,
the equations relating the Gibbs function of seawater to those of vapour and
ice are presented. |
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