A Theory of Large-Amplitude Kelvin Waves

John R. Bennett Marine Studies Center, The. University of Wisconsin, Madison 53706

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Abstract

A simple nonlinear model of the generation of Kelvin waves is presented and applied to internal Kelvin waves in Lake Michigan. It is shown that a Kelvin wave which has a wavelength longer than the Rossby radius of deformation steepens. This may explain “warm fronts” in records of nearshore temperature in Lake Michigan.

Abstract

A simple nonlinear model of the generation of Kelvin waves is presented and applied to internal Kelvin waves in Lake Michigan. It is shown that a Kelvin wave which has a wavelength longer than the Rossby radius of deformation steepens. This may explain “warm fronts” in records of nearshore temperature in Lake Michigan.

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