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Antarctic Ice Sheets

Surface Elevation Change (SEC) from Satellite Altimetry

View elevation change in an Antarctic region or drainage basin by clicking the map below. Choose results from a specific satellite mission or period in the panel to the right. Expand the basin results for more detail.

Antarctic Drainage Basins

click in a Basin to show Surface Elevation Change

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 Area Description & Scientific Commentary

The Antarctic Ice Sheet covers about 98% of the Antarctic continent and is the largest single mass of ice on Earth.

Surface Elevation Change Trends: for all Antarctica (Surface Fit method)

Perioddh/dt m/yrdV/dt km3/yrdM/dt Gt/yr
1992-1996-0.025 -299.35-
1997-20010.003 32.77-
2002-20060.003 31.98-
2007-2011-0.008 -92.93-
2012-2016-0.029 -349.94-