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News item: Satellites help explain Greenland ice loss mystery

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0 comments   Add a comment   Contributor:  TheTeam (Aug-10-2008)    Play a Video
Optimism: 2 Categories: Global Warming, Pollution, Population Growth and Control

New measurements indicate more accurately the shrinkage of Greenland iceA NEW approach to measuring glacier behaviour can keep track of the rapidly changing erosion of ice in south-east Greenland.

Earlier studies focused on two large, rapidly thinning glaciers, but these actually contribute relatively little to total ice loss. Satellite measurements of the island's gravitational field imply a much greater loss than the large glaciers alone can account for.

Now a team led by Ted Scambos of the University of Colorado in Boulder has resolved the disparity by looking at a wider range of glaciers. They used laser altimetry to measure the thinning of inland ice, plus satellite images that show changes at the margins of the ice sheet. Overall, they found that the region is losing more than 100 cubic kilometres of ice a year.

See original news item: NewScientist.com, Aug-9-2008  
Related PlanetThoughts.org reading:
  Biggest Ice Island In 48 Years Breaks Off Greenl... (Sep-11-2010)
  Surface Temperature Analysis By Goddard Institut... (Aug-15-2010)
  Canadian Devon Island Ice Cap Is Shrinking (Apr-14-2010)
  World Misled Over Himalayan Glacier Meltdown (Jan-25-2010)
  Taking 'Credit' Where Credit Is Due: from Februa... (Nov-20-2009)
  Melting on the Greenland Ice Cap, 2008 (Feb-26-2009)
  NASA Carbon Mission to Improve Future Climate Ch... (Feb-12-2009)
  Glaciers Around The Globe Continue To Melt At Hi... (Feb-5-2009)
  New Study Shows Climate Change Largely Irreversi... (Jan-30-2009)
  Sea Level Rise Of One Meter Within 100 Years (Jan-13-2009)

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About contributor Member: TheTeam (PlanetThoughts Team) TheTeam (PlanetThoughts Team)

Member: TheTeam (PlanetThoughts Team) The volunteers of PlanetThoughts.org are happy to give you their best selection of news, opinion, reviews, stories, quotes, tips, and more. We hope you enjoy the reading... and thinking. Thanks!

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