2011
DOI: 10.1175/2010jpo4476.1
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On the Geostrophic Adjustment of an Isolated Lens: Dependence on Burger Number and Initial Geometry*

Abstract: Geostrophic adjustment of an isolated axisymmetric lens was examined to better understand the dependence of radial displacements and the adjusted velocity on the Burger number and the geometry of initial conditions. The behavior of the adjustment was examined using laboratory experiments and numerical simulations, which were in turn compared to published analytical solutions. Three defining length scales of the initial conditions were used to distinguish between various asymptotic behaviors for large and small… Show more

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Cited by 10 publications
(8 citation statements)
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“…This vortex is well studied and has been widely used to model isolated vortices, especially in the oceans (e.g. Gent & McWilliams 1986;Morel & McWilliams 1997;Stuart, Sundermeyer & Hebert 2011).…”
Section: Gaussian Solution To the Dissipationless Boussinesq Equationsmentioning
confidence: 99%
See 1 more Smart Citation
“…This vortex is well studied and has been widely used to model isolated vortices, especially in the oceans (e.g. Gent & McWilliams 1986;Morel & McWilliams 1997;Stuart, Sundermeyer & Hebert 2011).…”
Section: Gaussian Solution To the Dissipationless Boussinesq Equationsmentioning
confidence: 99%
“…generated from diapycnal mixing (see e.g. McWilliams 1988;Stuart et al 2011). Our flow is initialized with v = 0 andρ = 0.…”
Section: Case A: Run-down Experimentsmentioning
confidence: 99%
“…Various formation mechanisms were proposed, including baroclinic instability of undercurrents (Jungclaus, 1999), lateral frictional processes near capes or promontories (D'Asaro, 1988b;Molemaker et al, 2015), diapycnal mixing whether by bottom friction (McWilliams, 1985) or locally intensified internal wave breaking (Lelong & Sundermeyer, 2005;Stuart et al, 2011), winter convection (Testor & Gascard, 2003), or subduction along frontal zones (Ou & Gordon, 2002;Thomas, 2008). They are associated with low values of Ertel potential vorticity (PV) and Brunt-Väisälä frequency, and fairly high Rossby numbers.…”
Section: Introductionmentioning
confidence: 99%
“…The present study builds on previous work of monopolar shielded vortices by focusing on an S vortex originating from a density mixed patch. Such vortices have been studied numerically by Lelong and Sundermeyer (2005) and in the laboratory by Stuart et al (2011). However, in those studies, vortex stability was not considered.…”
Section: Introductionmentioning
confidence: 99%