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Kelvin wave hydraulic control induced by interactions between vortices and topography

Hogg, Andrew; Dewar, William K; Berloff, Pavel; Ward, Marshall


The interaction of a dipolar vortex with topography is examined using a combination of analytical solutions and idealized numerical models. It is shown that an anticyclonic vortex may generate along-topography flow with sufficient speeds to excite hydraulic control with respect to local Kelvin waves. A critical condition for Kelvin wave hydraulic control is found for the simplest case of a 1.5-layer shallow water model. It is proposed that in the continuously stratified case this mechanism may...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Fluid Mechanics
DOI: 10.1017/jfm.2011.344


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