Abstract
The interaction of two identical vortices at different depths is studied in a two-layer quasi-geostrophic flow with external shear or strain. The equilibria and stability of point vortices are computed, as well as their possible resonance with the forcing. The various evolutions of finite-area vortices (alignment, co-rotation, equilibria, oscillations) are presented and compared with point-vortex dynamics.
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Perrot, X., Carton, X., Guillou, A. (2010). Geostrophic vortex alignment in external shear or strain. In: Dritschel, D. (eds) IUTAM Symposium on Turbulence in the Atmosphere and Oceans. IUTAM Bookseries, vol 28. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0360-5_18
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DOI: https://doi.org/10.1007/978-94-007-0360-5_18
Publisher Name: Springer, Dordrecht
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