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Photos: Antarctic is shrinking

The first-ever gravity survey of the entire Antarctic ice sheet shows its mass has decreased significantly from 2002 to 2005.
By Bill Detwiler, Contributor
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1 of 2 Bill Detwiler/ZDNET

Antarctic ice sheet

The first-ever gravity survey of the entire Antarctic ice sheet, conducted using data from the NASA/German Aerospace Center Gravity Recovery and Climate Experiment (Grace), concludes the ice sheet's mass has decreased significantly from 2002 to 2005.

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2 of 2 Bill Detwiler/ZDNET

ice mass loss

This figure shows the ice mass loss in Antarctica as observed by Grace over the period 2002 to 2005 measured in cubic kilometers per year. The ice mass loss observed contributes about 0.4 millimeters (.016 inches) per year to global sea level rise.

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