Free Content The ventilated thermocline in quasigeostrophic approximation

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The ventilated thermocline model of Luyten et al. (hereafter LPS), (1983) is reformulated in the quasigeostrophic approximation. The quasigeostrophic solutions with zonal outcrop lines capture the salient features of the solutions of LPS. When the outcrop lines are sufficiently nonzonal, the quasigeostrophic solutions resemble those of Parsons (1969), Veronis (1973), and Huang (1984), resolving an inconsistency in Parsons' solution. But an attempt to close the quasigeostrophic solution having two moving layers with a western boundary current in which friction is parameterized as a linear drag coefficient results in an ill posed problem. The paper concludes with a comparison of cross-gyre ventilation in the quasigeostrophic and LPS formulations.

Document Type: Research Article


Publication date: February 1, 1989

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  • The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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