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First point measurements of ice-sheet thickness change in Antarctica
1998
Annals of Glaciology
Ice-sheet thickening or thinning rates in Antarctica are measured using the "coffee-can" or "submergence velocity" method. in this, repeated measurements of the positions of firn anchors are obtained using the global positioning system (GPS). The thickness change is (lie difference between vertical velocity so obtained and long-term rate of snow accumulation. Minor corrections for firn settling and downslopc motion are made. The technique avoids difficulties of short-term fluctuations in
doi:10.3189/1998aog27-1-125-129
fatcat:eov5yjui5bfdpcq23dxsieyy7i