Abstract
The exact solution of the ROSSBY (1938) adjustment problem is obtained. If a is the half-width of the initial current and λ is the radius of deformation, it is shown that Rossby’s solution is asymptotically valid for a/λ ⪡ 1. We examine the asymptotic solution for a/λ ⪢ 1. The exact energetic relations are obtained. The numerical examples of Rossby are recalculated with the exact solution.
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