Electronic Resource
New York, NY
:
American Institute of Physics (AIP)
Physics of Fluids
4 (1992), S. 464-466
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
A physical explanation is provided for the difference between the authors' stability criterion, valid in the shallow-water equations, and earlier criteria for the quasigeostrophic potential vorticity equation. Given this difference, a counterexample of P. Ripa [Phys. Fluids A 4, (square, solid)(square, solid)(square, solid) (1992)] for the authors' criterion applied to the latter equation is shown to be irrelevant for the former system. This raises interesting questions as to the reliability of the quasigeostrophic approximation in studying stability of planetary flows.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.858318
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