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GOCE reveals gravity dip from ice loss

Climate Change

GOCE reveals gravity dip from ice loss
Posted: October 2, 2014

Although not designed to map changes in Earth’s gravity over time, ESA’s extraordinary satellite has shown that the ice lost from West Antarctica over the last few years has left its signature.
By combining GOCE’s high-resolution measurements with information from Grace, scientists can now look at changes in ice mass in small glacial systems – offering even greater insight into the dynamics of Antarctica’s different basins.
They have found that the loss of ice from West Antarctica between 2009 and 2012 caused a dip in the gravity field over the region.
Johannes Bouman from the German Geodetic Research Institute said, “We are now working in an interdisciplinary team to extend the analysis of GOCE’s data to all of Antarctica.
“This will help us gain further comparison with results from CryoSat for an even more reliable picture of actual changes in ice mass.” says Bouman.

Click here to read the full article from ESA.

 

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