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Nonlinear stability of continuously stratified quasi-geostrophic flow

Yongming, L., Mu, M. and Shepherd, T. G. ORCID: https://orcid.org/0000-0002-6631-9968 (1996) Nonlinear stability of continuously stratified quasi-geostrophic flow. Journal Of Fluid Mechanics, 325. pp. 419-439. ISSN 0022-1120

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To link to this item DOI: 10.1017/S002211209600818X

Abstract/Summary

Nonlinear stability theorems analogous to Arnol'd's second stability theorem are established for continuously stratified quasi-geostrophic flow with general nonlinear boundary conditions in a vertically and horizontally confined domain. Both the standard quasi-geostrophic model and the modified quasi-geostrophic model (incorporating effects of hydrostatic compressibility) are treated. The results establish explicit upper bounds on the disturbance energy, the disturbance potential enstrophy, and the disturbance available potential energy on the horizontal boundaries, in terms of the initial disturbance fields. Nonlinear stability in the sense of Liapunov is also established.

Item Type:Article
Refereed:Yes
Divisions:No Reading authors. Back catalogue items
Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:32871
Publisher:Cambridge University Press

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