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East coast ocean currents

Published online by Cambridge University Press:  29 March 2006

J. A. Durance  and
J. A. Johnson
J. A. Durance
Affiliation:
School of Mathematics and Physics, University of East Anglia, Norwich
J. A. Johnson
Affiliation:
School of Mathematics and Physics, University of East Anglia, Norwich
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Abstract

A three-dimensional barotropic model of the wind-driven ocean circulation is examined and the flow near the east coast of the ocean is considered in detail. The model is linear and has constant coefficients of eddy viscosity. It is shown that a strong current may exist in the eastern boundary layer when upwelling or downwelling is present. No net northwards transport is produced as an equal deep counter current also occurs. A consequence of the downwelling is that the principal interior gyre is prevented from reaching the east coast and a secondary gyre is formed in this region.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 44 , Issue 1 , 21 October 1970 , pp. 161 - 172
Copyright
© 1970 Cambridge University Press

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References

Bryan, K. & Cox, M. D. 1967 Tellus, 19, 54.
Defant, A. 1961 Physical Oceanography, vol. 1. Oxford: Pergamon.
Johnson, J. A. 1968 J. Fluid Mech. 34, 72.
Pedlosky, J. 1968 J. Fluid Mech. 32, 80.
Pedlosky, J. 1969 J. Fluid Mech. 35, 18.
Tolstov, G. P. 1962 Fourier Series (English translation). London: Prentice-Hall.