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Séminaire d’équipe

Mecanique statistique d’écoulements océaniques

Antoine Venaille 06/2008

Two dimensional flows are known to organize themselves spontaneously into large scale coherent structures.
The statistical theory of Robert-Sommeria-Miller predicts the final flow organization from any initial condition, when forcing and dissipation are neglected. Our aim is to compute such statistical equilibria, for simple, academic ocean models (1 layer quasi-geostrophic equations on a beta plane), to classify the different possible flow structures and to study the existence or not of eastward jets at midlatitudes.