A ``horizontal" hyper--diffusion 3-D thermocline planetary geostrophic model: well-posedness and long time behavior
Chongsheng Cao, Edriss S. Titi, Mohammed Ziane
Abstract
In this paper we study a three dimensional thermocline planetary geostrophic ``horizontal" hyper--diffusion model of the gyre-scale midlatitude ocean. We show the global existence and uniqueness of the weak and strong solutions to this model. Moreover, we establish the existence of a finite dimensional global attractor to this dissipative evolution system. Preliminary computational tests indicate that our hyper--diffusion model does not exhibit any of the nonphysical instabilities near the literal boundary which are observed numerically in other models.
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