Eddy-Corner interaction

Eddy-Corner interaction

The dynamics of the North Brazil Current rings involve many complicated interactions (e.g.,shape of the topography, stratification, forcing). In order to clarify the vorticity dynamics in this region, we simplify the situation depicted in Fig. 1 as much as possible: we study the interaction of a barotropic (2d) vortex with a corner at a wall. The time integration of this model is shown in the movie (cf. below) where the topography is represented with the gray area. The initial condition is a Gaussian patch of negative vorticity placed next to the wall (Lamb-Oseen vortex).

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