Antarctic Ice Sheet Is Result of Carbon Dioxide Decrease 34 Million Years Ago, Not Continental Breakup

Antarctic Ice Sheet Is Result of Carbon Dioxide Decrease 34 Million Years Ago, Not Continental Breakup

Aug 15, 2014
Antarctic ice sheet

Climate modelers from the University of New Hampshire have shown that the most likely explanation for the initiation of Antarctic glaciation during a major climate shift 34 million years ago was decreased carbon dioxide levels. The finding counters a 40-year-old theory suggesting massive rearrangements of Earth's continents caused global cooling and the abrupt formation of the Antarctic ice sheet. It will provide scientists insight into the climate change implications of current rising global carbon dioxide levels.

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