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Greenland's Ice Sheet Melting Faster Than Scientists Previously Estimated, Study Finds
Scientists have underestimated recent mass loss from Greenland by as much as 20%, finds a new study published in the journal Nature. CBS News reports: Since 1985, Greenland's ice sheet has lost approximately 5,091 square kilometers of ice researchers found using satellite imagery. Scientists said e...
Study co-author Chad Greene and his colleagues said they qualified the extent of calving, which increased the scope of ice mass lost. They combined "236,328 observations of glacier terminus positions" compiled from various public data sets to capture monthly ice melt. [...] Researchers in the study noted that "this retreat does not appear to substantially contribute to sea level rise" because most of the glacier margins the scientists measured were already underwater.
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