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You are here: Home / Extras / Glossary / Oscillation Atlantique Multi-Décennale (“AMO”)

Oscillation Atlantique Multi-Décennale (“AMO”)

28 Nov 2004 by group

Translations: (English)
English

Mode de variabilité de l’océan et atmosphère de l’Atlantique Nord a l’échelle de temps multi-décennale (50 a 70 ans). Ce mode a été décrit sur la base d’analyses statistiques de données climatiques instrumentales et reconstruites par des proxies, ainsi que de simulations numériques de modèles couplés Océan-Atmosphère. Ce mode de variabilité contient une partie du réchauffement aux hautes latitudes de l’hémisphère Nord dans le début du 20ème siècle (années 1920-1930), et également en partie (mais pas tout) du réchauffement aux hautes latitudes observé a la fin du 20ème siècle. Ce terme a été employé pour la première fois par R.Kerr dans un résumé de l’étude de Delworth et Mann (2000).

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