Polar ice sheets are synchronized swimmers

Glaciers in the Northern and Southern Hemispheres advance and retreat together

By Nick Bascom, 15:30 PM November 30, 2011

When the last ice age was coming to a close about 19,000 years ago, the ice sheets that cover Antarctica began to shrink to their current sizes at about the same time as those in the Arctic, a new study finds.

That implies that the East Antarctic Ice Sheet, long thought to be relatively stable compared with the western  side of the ice-clad continent, “is in fact, not so stable,” says geologist Michael Weber of the University of Cologne, Germany. And if the much larger East Antarctic Ice Sh...

Source URL: https://www.sciencenews.org/article/polar-ice-sheets-are-synchronized-swimmers