Eddyless Channel Flows and Their Stability

Numerical solutions are presented for steady flow in a zonal channel subjected to a meridionally varying zonal wind stress at the upper surface. The model used is adiabatic, hydrostatic, quasigeostrophic, and baroclinic with quadratic drag force at the lower boundary, vertical momentum diffusion in the interior, and a weak scale-selective horizontal momentum diffusion law. The solution technique is that of quasilinearization for the resulting non-linear, two-point boundary value problem. The steady solutions are also analyzed for their linearized stability to perturbations; they are found to be unstable for sufficiently strong wind stress and weak vertical momentum diffusion.

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Author Jackson, Stephen
McWilliams, James
Publisher UCAR/NCAR - Library
Publication Date 1979-01-01T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2023-08-18T18:02:58.969193
Metadata Record Identifier edu.ucar.opensky::technotes:234
Metadata Language eng; USA
Suggested Citation Jackson, Stephen, McWilliams, James. (1979). Eddyless Channel Flows and Their Stability. UCAR/NCAR - Library. http://n2t.net/ark:/85065/d75b01vr. Accessed 25 September 2023.

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