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Potsdam-Institut für Klimafolgenforschung e.V. Telegrafenberg A 31 14473 Potsdam, Germany http://www.pik-potsdam.de
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Potsdam-Institut für Klimafolgenforschung e.V.

Meeresströmung im Atlantik nähert sich möglicherweise kritischer Schwelle

(PresseBox) (Potsdam, )
Eine wichtige Strömung im Atlantik, zu der auch der Golfstrom gehört, hat im Laufe des letzten Jahrhunderts möglicherweise an Stabilität verloren. Das zeigt eine neue Studie im Fachjournal Nature Climate Change. Die Atlantische Umwälzströmung (Atlantic Meridional Overturning Circulation, AMOC) transportiert warme Wassermassen aus den Tropen an der Meeresoberfläche nach Norden und kaltes Wasser am Meeresboden nach Süden, was für die relativ milden Temperaturen in Europa von großer Bedeutung ist. Außerdem beeinflusst sie Wettersysteme weltweit. Ein möglicher Zusammenbruch dieses Meeresströmungssystems könnte daher schwerwiegende Folgen haben.

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