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Surge In Greenland Ice Loss
By Joe Romm and Jeff Spross
March 17, 2014
Greenlands contribution to global sea level has soared in the past two decades. An important new study finds that the massive northeastern part of the ice sheet, previously thought to be stable, has begun shedding ice. If this trend continues and researchers say a self-perpetuating feedback process may have been triggered actual sea level rise this century will likely be higher than many current models had projected.
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But the new study, Sustained mass loss of the northeast Greenland ice sheet triggered by regional warming, published in Nature Climate Change (subs. reqd), suggests the northeastern portion began melting rapidly around 2003. And after first jumping from an ice loss rate of zero to about 10 billion metric tons per year, its now approaching 15 or 20 billion metric tons per year and may well keep accelerating.
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Regional warming has triggered rapid ice loss in a vast portion of the northeastern Greenland Ice Sheet (NEGIS). Red indicates the fastest melting. (Via Ohio State)
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Joe Romm and Jeff Spross: "Most climate scientists and glaciologists that Climate Progress has spoken to in recent years have said humanity should plan for at least three feet of sea level rise this century and considerably more than that if we stay on our current high-end emissions path."
Surge In Greenland Ice Loss
By Joe Romm and Jeff Spross
March 17, 2014
Greenlands contribution to global sea level has soared in the past two decades. An important new study finds that the massive northeastern part of the ice sheet, previously thought to be stable, has begun shedding ice. If this trend continues and researchers say a self-perpetuating feedback process may have been triggered actual sea level rise this century will likely be higher than many current models had projected.
<snip>
But the new study, Sustained mass loss of the northeast Greenland ice sheet triggered by regional warming, published in Nature Climate Change (subs. reqd), suggests the northeastern portion began melting rapidly around 2003. And after first jumping from an ice loss rate of zero to about 10 billion metric tons per year, its now approaching 15 or 20 billion metric tons per year and may well keep accelerating.
<snip>
Regional warming has triggered rapid ice loss in a vast portion of the northeastern Greenland Ice Sheet (NEGIS). Red indicates the fastest melting. (Via Ohio State)
<snip>
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