Numerical implementation and oceanographic application of the Gibbs potential of ice

[摘要] The 2004 Gibbs thermodynamic potential function of naturally abundant waterice is based on much more experimental data than its predecessors, istherefore significantly more accurate and reliable, and for the first timedescribes the entire temperature and pressure range of existence of this icephase. It is expressed in the ITS-90 temperature scale and is consistentwith the current scientific pure water standard, IAPWS-95, and the 2003Gibbs potential of seawater. The combination of these formulations providessublimation pressures, freezing points, and sea ice properties covering theparameter ranges of oceanographic interest. This paper provides source codeexamples in Visual Basic, Fortran and C++ for the computation of the Gibbsfunction of ice and its partial derivatives. It reports the most importantrelated thermodynamic equations for ice and sea ice properties.

[学科分类] 海洋学与技术