Quasi-geostrophic vortex vertical alignment in near collapse interactions
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We consider a three-vortex interaction which leads to the vertical alignment of two like-signed quasi- geostrophic vortices in a continuously stratified, rotating fluid. The interaction is close to the classical collapse interaction of three co-planar vortices except that the vortices centres move on close but differ- ent horizontal planes. The vertical alignment of vortices helps create larger structures and contributes in physical space to the inverse energy cascade observed in spectral space in geostrophic turbulence.
Reinaud , J N & Carton , X 2023 , ' Quasi-geostrophic vortex vertical alignment in near collapse interactions ' , Geophysical and Astrophysical Fluid Dynamics . https://doi.org/10.1080/03091929.2023.2242571
Geophysical and Astrophysical Fluid Dynamics
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