Istituto di Scienze Marine     
Crisciani F., Cavallini F. The no-slip condition at the western boundary of a homogeneous ocean minimizes energy. In: Nuovo Cimento Della Societa Italiana Di Fisica C-Geophysics and Space Physics, vol. 28 (6) pp. 881 - 891. SocietÓ Italiana Di Fisica, 2005.
It, is not, obvious, a priori, that the no-slip boundary condition is suitable for ocean circulation models based on quasi-geostrophic equations. But the no-slip Condition is the One that minimizes the kinetic energy of the western boundary layer of a wind-driven ocean governed by fourth-order quasi-postrophic equations. Moreover, the case of a very thin boundary layer is correctly described by the asymptotic solution when the no-slip condition is Chosen. Then; it is physically sound to use the no-slip condition even in the western boundary of analytical or numerical ocean circulation models, be they linear or nonlinear.
DOI: 10.1393/ncc/i2005-10064-x
Subject the western boundary of a homogeneous

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