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Le developpement de methodes quantitatives micropaleontologiques et geochimiques permettant de reconstituer la temperature, la salinite et la ventilation de l'eau de mer par l'etude des sediments marins a ouvert la voie a la reconstruction de la circulation globale de l'ocean dans le passe. Ces donnees geologiques peuvent etre confrontees a des simulations realisees a l'aide de modeles oceaniques...
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