During the Cryogenic Period 720–635 million years ago, Earth experienced one of its most severe ice ages. It is believed that during this period the climate system practically “stopped”: ice covered the planet all the way to the tropics, and the exchange between the atmosphere and the ocean was blocked for millions of years. However, a new study by scientists from the University of Southampton has demonstrated that even at the peak of global glaciation, the climate continued to fluctuate. The work was published in the journal Earth and Planetary Science Letters (EPSL).
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