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Les mesures isotopiques des glaces polaires montrent une succession de rechauffements rapides pendant la derniere periode glaciaire au Groenland. Cette methode sous-estime l'amplitude des variations de temperature. Une nouvelle methode, basee sur la diffusion thermique des gaz dans le neve, permet de quantifier les variations de temperature de surface grace aux fractionnements isotopiques associes...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.