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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.

Stärkere Belege für Abschwächung des Golfstromsystems

(PresseBox) (Potsdam, )
Die als Golfstromsystem bekannte Umwälzströmung im Atlantik – eines der wichtigsten Wärmetransportsysteme der Erde, das warmes Wasser nach Norden und kaltes Wasser nach Süden pumpt – ist heute schwächer als je zuvor in den vergangenen 1000 Jahren. Temperaturdaten von der Meeresoberfläche liefern neue Belege dafür, dass sich diese große Ozeanzirkulation seit Mitte des 20. Jahrhunderts um etwa 15 Prozent verlangsamt hat. Das zeigt eine Studie, die jetzt von einem internationalen Wissenschaftlerteam in der renommierten Fachzeitschrift Nature veröffentlicht wurde. Der vom Menschen verursachte Klimawandel ist der Hauptverdächtige für diese beunruhigenden Beobachtungen.

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