An attempt at improving a global spectral model by incorporating the second law of thermodynamics

Details An attempt at improving a global spectral model by incorporating the second law of thermodynamics An attempt at improving a global spectral model by incorporating the second law of thermodynamics

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3203806l&link_type=abstract

Geophysical Research Letters, Volume 32, Issue 3, CiteID L03806

Physics

Geophysics

6

Mathematical Geophysics: General Or Miscellaneous, Atmospheric Processes: General Or Miscellaneous, General Or Miscellaneous: New Fields (Not Classifiable Under Other Headings)

Scientific paper

A fluid such as the atmosphere is a many-body system that has a vast amount of degrees of freedom in terms of statistical physics and thus obeys the second law of thermodynamics controlling the irreversible evolutionary direction of a many-body system. This study shows that incorporating the thermodynamic irreversibility law into a hydrodynamic system leads to a noticeable improvement of a numerical weather prediction model. This is demonstrated by improved simulations from a set of numerical experiments using a global spectral model which incorporates the second law.

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