Chapter 5. SPATIALLY-COHERENT STRUCTURES
satellite vortices of opposite circulation. Even higher order vortex structures
form but seem to be unstable.
Figure 5-3. Top view photographs made during the laboratory experiment of Voropaev et al.
(1991) in a stratified fluid: An organized dipolar vortex appears from a turbulent cloud. Scale
is in cm, time (t) in s.
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Reproduced with the permission of Cambridge University Press.