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West Antarctic ice cap is 20 million years older than previously thought
If you believe the claims of scientists from the University of California at Santa Barbara, west Antarctic ice cap began to form 34 million years ago, which means it is 20 million years older than the earliest witness the results of scientific research. Scientists explain that the formation of an ice crust started to happen soon after the planet began the transition from a warm climate to a cold.
“We believe that the western Antarctic ice cap began to appear much earlier than expected before this time now and has its roots somewhere in the Miocene period, that is somewhere around 14 million years ago.”
“Our computer model showed that in fact the West Antarctic ice crust was formed along with the eastern Arctic, that is 20 million years earlier than previously thought,” – says geophysicist Douglas S. Wilson from the Department of Earth Sciences at the University of California Santa Barbara.
Scientists have also reported that according to the results of previous studies revealed that the western Antarctic ice sheet was actually much higher than it is now. Above it was a few hundred meters and decreased due to the impact of erosive rivers to the glaciers.
Detailed studies of this issue have been published in the Western scientific journal Geophysical Research Letters.
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Tags: Antarctica , Geology , Geophysics .
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