Energetics Diagnosis of the NCAR General Circulation Model

A comprehensive energetics analysis was performed on the NCAR general circulation model. The analysis includes Jan. and July simulation experiments with the six-layer, five-degree, second-generation model with two different convective schemes. Spectral analysis of the energy transformations in the w...

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Bibliographic Details
Published in:Monthly weather review 1977-11, Vol.105 (11), p.1384-1401
Main Authors: Baker, Wayman E., Kung, Ernest C., Somerville, Richard C. J.
Format: Article
Language:English
Online Access:Get full text
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Summary:A comprehensive energetics analysis was performed on the NCAR general circulation model. The analysis includes Jan. and July simulation experiments with the six-layer, five-degree, second-generation model with two different convective schemes. Spectral analysis of the energy transformations in the wave-number domain was performed separately on a global and hemispheric basis as well as for the Tropics and mid-latitudes. Latitudinal distributions of energy variables were also examined. A qualitative agreement with observational estimates is recognized in the transformations of eddy energies. Quantitatively, however, the eddy energies, conversions, and energy transfer between wavenumbers are weaker than observational estimates. Substantial differences exist in the energetics of the two versions of the model with different convective schemes.
ISSN:0027-0644
1520-0493
DOI:10.1175/1520-0493(1977)105<1384:EDOTNG>2.0.CO;2