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Gradient evolution for potential vorticity flows
Gradient evolution potential vorticity flows
2009/11/12
Two-dimensional unsteady incompressible flows in which the potential vorticity (PV) plays a key role are examined in this study, through the development of the evolution equation for the PV gradient. ...
Contraction of westward-travelling nonlocal modons due to the vorticity filament emission
westward-travelling nonlocal modons vorticity filament emission
2009/11/12
Long-term evolution of westward-travelling non-local modons on the β-plane, i.e. dipolar vortices imbedded in slowly damping Rossby wave fields, is studied numerically. In the framework of the nondive...