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| Titel |
Numerical implementation and oceanographic application of the thermodynamic potentials of liquid water, water vapour, ice, seawater and humid air – Part 2: The library routines |
| VerfasserIn |
D. G. Wright, R. Feistel, J. H. Reissmann, K. Miyagawa, D. R. Jackett, W. Wagner, U. Overhoff, C. Guder, A. Feistel, G. M. Marion |
| 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 ; 6, no. 3 ; Nr. 6, no. 3 (2010-07-16), S.695-718 |
| Datensatznummer |
250003580
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| Publikation (Nr.) |
 copernicus.org/os-6-695-2010.pdf |
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| Zusammenfassung |
The SCOR/IAPSO1
Working Group 127 on Thermodynamics and Equation of State of Seawater has
prepared recommendations for new methods and algorithms for numerical
estimation of the the thermophysical properties of seawater. As an outcome
of this work, a new International Thermodynamic Equation of Seawater
(TEOS–10) was endorsed by IOC/UNESCO2 in June 2009 as the official
replacement and extension of the 1980 International Equation of State,
EOS-80. As part of this new standard a source code package has been prepared
that is now made freely available to users via the World Wide Web. This
package includes two libraries referred to as the SIA (Sea-Ice-Air)
library and the GSW (Gibbs SeaWater) library. Information on the GSW library
may be found on the TEOS-10 web site (http://www.TEOS-10.org).
This publication provides an introduction to the SIA library which contains
routines to calculate various thermodynamic properties as discussed in the
companion paper. The SIA library is very comprehensive, including routines
to deal with fluid water, ice, seawater and humid air as well as equilibrium
states involving various combinations of these, with equivalent code
developed in different languages. The code is hierachically structured in
modules that support (i) almost unlimited extension with respect to
additional properties or relations, (ii) an extraction of self-contained
sub-libraries, (iii) separate updating of the empirical thermodynamic
potentials, and (iv) code verification on different platforms and between
different languages. Error trapping is implemented to identify when one or
more of the primary routines are accessed significantly beyond their
established range of validity. The initial version of the SIA library is
available in Visual Basic and FORTRAN as a supplement to this
publication and updates will be maintained on the TEOS-10 web site.
1SCOR/IAPSO: Scientific Committee on Oceanic
Research/International Association for the Physical Sciences of the Oceans
2IOC/UNESCO:
Intergovernmental Oceanographic Commission/United Nations Educational,
Scientific and Cultural Organization |
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