The melting of an Antarctic ice sheet roughly 14,000 years ago triggered a period of warming in Europe that marked the beginning of the end of the Earth’s last ice age, says a new study.
A paper in the March 14 issue of the journal Science suggests that a catastrophic collapse of an Antarctic ice sheet dumped roughly a million cubic litres per second of freshwater into the southern oceans, changing the climate thousands of kilometres to the north and ushering in a dramatic climate shift known as the Bølling-Allerød warm interval.
"The paper describes the last gasp of the ice age," says Jerry Mitrovica, the J. Tuzo Wilson Professor of Geophysics at the University of Toronto and co-author of the paper. "These are the spasms that got us from a climate where three kilometres of ice covered Canada to today’s conditions. We’re saying that what pulled us out of this - what ended the ice age - was this remarkable sequence of events. It all started in the Antarctic."
Nicolle Wahl | University of Toronto
Wandering greenhouse gas
16.03.2018 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
Unique Insights into the Antarctic Ice Shelf System
14.03.2018 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
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