Solving the puzzle of ice age climates
Boston MA (SPX) Jun 03, 2014 - The paleoclimate record for the last ice age - a time 21,000 years ago called the "Last Glacial Maximum" (LGM) - tells of a cold Earth whose northern continents were covered by vast ice sheets. Chemical traces from plankton fossils in deep-sea sediments reveal rearranged ocean water masses, as well as extended sea ice coverage off Antarctica. Air bubbles in ice cores show that carbon dioxide in ... more
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