Climate: Topography affects rate of ice sheet retreat

Summit Voice: Even as global warming shrinks many of the world`s major ice sheets, new research suggest that the underlying topography can significantly influence how fast they retreat, and in some cases even halt temporarily during long phases of climate warming. The researchers reached their conclusions after studying the landscape of the seafloor in Marguerite Bay, in the Antarctic Peninsula. They saw that, during a rapid phase of recession 13,000 years ago, retreat paused many times. Computer models......

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