Warming Oceans Cause Bulk of Antarctic Ice Loss

Most of the loss Antarctic ice is not caused by icebergs falling apart into the sea, but instead by warmer ocean waters underneath the massive ice shelves causing melting, according to a new study by NASA and university researchers.

The study found that so-called basal melt accounted for 55 percent of all ice shelf mass loss from 2003 to 2008.  Using reconstructions of ice accumulation as well as satellite and aircraft readings of ice thickness and changes in elevations, scientists were …

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