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Wavelet ridge diagnosis of time-varying elliptical signals with application to an oceanic eddy
Wavelet ridge diagnosis time-varying elliptical signals oceanic eddy
2009/11/9
A method for diagnosing the physical properties of a time-varying ellipse is presented. This essentially involves extending the notion of instantaneous frequency to the bivariate case. New complicatio...
Linear Stability of Large, Elliptical Warm-Core Rings
Linear Stability Elliptical Warm-Core Rings
2009/1/12
An analytical solution for a confined, elliptical lens of light water is perturbed to test the linear stability of elongated warm-core rings. The asymptotic expression of the solution when the eddy's ...
Elliptical Warm-Core Rings in a Two-Layer Ocean with Ambient Shear
Warm-Core Rings Ambient Shear Two-Layer Ocean
2008/12/12
The rodon solution for an elliptical vortex with outcropping interface is extended from the reduced-gravity limit to the two-layer model. Motions in the lower layer consist of a reaction to the presen...