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You are here: Home / Extras / Glossary / North Atlantic Oscillation (“NAO”) Oscillation Nord Atlantique (“NAO“)

North Atlantic Oscillation (“NAO”) Oscillation Nord Atlantique (“NAO“)

28 Nov 2004 by group

Measure of the strength of the westerlies across the North Atlantic. Originally defined by Sir Gilbert Walker in 1932 as the difference in pressure between Ponta Delgada on the Azores and Stykkisholmur in Iceland. More information on the NAO can be found here. See also Arctic Oscillation (“AO”).

Mesure de l’intensité des vents d’ouest traversant l’océan Nord Atlantique. Définie a l’origine par Sir Gabriel Walker en 1932 comme la différence de pression entre Ponta Delgada aux Acores et Stykkisholmur en Islande. Plus d’informations sur la NAO (‘North Atlantic Oscillation’) peuvent être trouvées ici. Voir également ‘Oscillation Arctique’.

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