Stability of East Antarctic ice sheet questioned

07/21/2013 | ScienceMag.org

Using data from the Pliocene Epoch, scientists believe that the ice sheet in East Antarctica is not as stable as it was once thought to be. Researchers at Imperial College London studied sediments from a deep marine core near the coast of East Antarctica's Adelie Land, looking for geochemical ratios of neodymium to strontium isotopes. The data they uncovered suggest that the base had to have been exposed by the retreat of the ice.

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