Ocean Science
www.ocean-sci.net
1812-0784
1812-0792
6
3
2010
10.5194/os-6-633-2010
http://www.ocean-sci.net/6/633/2010/
http://www.ocean-sci.net/6/633/2010/os-6-633-2010.html
http://www.ocean-sci.net/6/633/2010/os-6-633-2010.pdf
633
677
2010-07-14
Numerical implementation and oceanographic application of the thermodynamic potentials of liquid water, water vapour, ice, seawater and humid air – Part 1: Background and equations
R. Feistel
rainer.feistel@io-warnemuende.de
D. G. Wright
D. R. Jackett
K. Miyagawa
J. H. Reissmann
W. Wagner
U. Overhoff
C. Guder
A. Feistel
G. M. Marion
Leibniz-Institut für Ostseeforschung, Seestraße 15, 18119 Warnemünde, Germany
Bedford Institute of Oceanography, Dartmouth, NS, B2Y 4A2, Canada
CSIRO Marine and Atmospheric Research, P.O. Box 1538, Hobart, TAS 7001, Australia
4-12-11-628, Nishiogu, Arakawa-ku, Tokyo, 116-0011, Japan
Bundesamt für Seeschifffahrt und Hydrographie, Bernhard-Nocht-Straße 78, 20359 Hamburg, Germany
Ruhr-Universität Bochum, Lehrstuhl für Thermodynamik, 44780 Bochum, Germany
Technische Universität Berlin, Einsteinufer 25, 10587 Berlin, Germany
Desert Research Institute, Reno, NV, USA
Dan Wright tragically passed away in July 2010
A new seawater standard referred to as the International Thermodynamic
Equation of Seawater 2010 (TEOS-10) was adopted in June 2009 by UNESCO/IOC
on its 25th General Assembly in Paris, as recommended by the SCOR/IAPSO
Working Group 127 (WG127) on Thermodynamics and Equation of State of
Seawater. To support the adoption process, WG127 has developed a
comprehensive source code library for the thermodynamic properties of liquid
water, water vapour, ice, seawater and humid air, referred to as the
Sea-Ice-Air (SIA) library. Here we present the background information and
equations required for the determination of the properties of single phases
and components as well as of phase transitions and composite systems as
implemented in the library. All results are based on rigorous mathematical
methods applied to the Primary Standards of the constituents, formulated as
empirical thermodynamic potential functions and, except for humid air,
endorsed as Releases of the International Association for the Properties of
Water and Steam (IAPWS). Details of the implementation in the TEOS-10 SIA
library are given in a companion paper.
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