As a contribution to climate dynamics understanding, I analyze the variability of the ocean circulation on interannual to interdecadal timescales, using all available tools and data: conceptual and numerical models, as well as in-situ and remote observations. Thermohaline and wind-driven ocean circulation models are able to generate spontaneous oscillations under perfectly constant forcing: I try to understand why, what sets the period, and how it relates to the observed variability in the North Atlantic.

I am now involved in an observational program in the North Atlantic, OVIDE, to monitor the meridional overturning cell and its potential changes under ungoing global warming. Side topics are high-resolution eddy-resolving ocean simulations and coupling with a hierarchy of atmospheric models (energy balance, quasigeostrophic, axisymmetric and general circulation models).

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Dumez Hervé, 2012: Les politiques de la recherche sont-elles devenues folles ? Horizons stratégiques, Innovation, p.12-14, publiés avec les Echos et issu d'une officine le CSFRS (A. Bauer...). Conseil Supérieur de la Formation et de la Recherche Stratégique