Semicompressible ocean dynamics

TitleSemicompressible ocean dynamics
Publication TypeJournal Article
Year of Publication2015
AuthorsDewar W.K, Schoonover J., McDougall T.J, Young W.R
JournalJournal of Physical Oceanography
Volume45
Pagination149-156
Date Published2015/01
Type of ArticleArticle
ISBN Number0022-3670
Accession NumberWOS:000347535800007
Keywordsapproximation; boussinesq; equations; pressure; simulations; thermodynamic consistency
Abstract

The equations of motion are reexamined with the objective of improving upon the Boussinesq approximation. The authors derive new equations that conserve energy, filter out sound waves, are more accurate than the Boussinesq set, and are computationally competitive with them. The new equations are partly enabled by exploiting a reversible exchange between internal and gravitational potential fluid energy. To improve upon these equations appears to require the inclusion of acoustics, at which point one should use full Navier-Stokes. This study recommends the new sets for testing in general circulation modeling.

DOI10.1175/jpo-d-13-0268.1
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