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How Antarctica got its ice
Lear, C.H.; Lunt, D.J. (2016). How Antarctica got its ice. Science (Wash.) 352(6281): 34-35. hdl.handle.net/10.1126/science.aad6284
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
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  • Lear, C.H.
  • Lunt, D.J.

Abstract
    Ice sheets such as those on Greenland and Antarctica today not only respond to changing climate but can also cause climate to change. Their sizes have fluctuated substantially in the past. In particular, Antarctica was effectively ice-free until its ice cover began to expand rapidly at the Eocene-Oligocene boundary around 34 million years ago (see the figure). Recent research, including a report by Galeotti et al. on page 76 of this issue (1), helps to identify the mechanisms that led to this rapid ice sheet growth.

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