Vortex Evolution in Realistic Geophysical Flows.

1996 ◽  
Author(s):  
Donald P. Delisi ◽  
Robert E. Robins
Keyword(s):  
Geophysical Flows

Simulating zonation in geophysical flows by laboratory experiments

2013 ◽  
Vol 25 (8) ◽  
pp. 086602 ◽  
Author(s):  
G. Di Nitto ◽  
S. Espa ◽  
A. Cenedese
Keyword(s):  
Laboratory Experiments ◽  
Geophysical Flows

scholarly journals On the short-wavelength stabilities of some geophysical flows

2017 ◽  
Vol 376 (2111) ◽  
pp. 20170090 ◽  
Author(s):  
Delia Ionescu-Kruse
Keyword(s):  
Water Waves ◽  
Short Wavelength ◽  
Travelling Wave ◽  
Geophysical Flows ◽  
Rotating Flows ◽  
Steady Flows ◽  
Azimuthal Direction ◽  
Theme Issue ◽  
Nonlinear Water Waves ◽  
Stability Method

This paper is a survey of the short-wavelength stability method for rotating flows. Additional complications such as stratification in the flow or the presence of non-conservative body forces are considered too. This method is applied to the specific study of some exact geophysical flows. For Gerstner-like geophysical flows one can identify perturbations in certain directions as a source of instabilities with an exponentially growing amplitude, the growth rate of the instabilities depending on the steepness of the travelling wave profile. On the other hand, for certain physically realistic velocity profiles, steady flows moving only in the azimuthal direction, with no variation in this direction, are locally stable to the short-wavelength perturbations. This article is part of the theme issue ‘Nonlinear water waves’.

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