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Nadir View of Change in Elevation over Greenland with a Blue/Yellow Color Scale
Changes in the Greenland and Antarctic ice sheets are critical in quantifying forecasts for sea level rise. Since its launch in January 2003, the ICESat elevation satellite has been measuring the change in thickness of these ice sheets. This image of Greenland shows the changes in elevation over the Greenland ice sheet between 2003 and 2006. Gray areas indicate no change in elevation. The white regions indicate a slight thickening, while the blue and purple shades indicate a thinning of the ice sheet.

This image portrays changes in the elevation over the Greenland ice sheet onto topography of Greenland measured by ICESat.    This image portrays changes in the elevation over the Greenland ice sheet onto topography of Greenland measured by ICESat.

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  320 x 180         PNG 283 KB
  160 x 80           PNG 75 KB
  80 x 40             PNG 26 KB
  2560 x 1920     TIFF 6 MB



This color bar represents the changes in elevation measured over Greenland. A white color indicates a slight thickening and blue colors indicate thinning. Areas of no change are shown in gray. 		   This color bar represents the changes in elevation measured over Greenland. A white color indicates a slight thickening and blue colors indicate thinning. Areas of no change are shown in gray.

Available formats:
  320 x 90           PNG   7 KB

Animation Number:3455
Animators:Cindy Starr (Lead)
 Helen-Nicole Kostis
Studio:NASA
Completed:2007-09-10
Scientists:Jay Zwally (NASA/GSFC)
 Waleed Abdalati (NASA/GSFC)
Instrument:ICESat/GLAS
Data set:ICESat/GLAS Elevation
Data Collected:2003 - 2006
Keywords:
DLESE >> Cryology
SVS >> Ice Sheets
GCMD >> EARTH SCIENCE >> Cryosphere
GCMD >> EARTH SCIENCE >> Cryosphere >> Snow/Ice
GCMD >> EARTH SCIENCE >> Hydrosphere >> Snow/Ice
GCMD >> EARTH SCIENCE >> Atmosphere >> Precipitation >> Snow
GCMD >> EARTH SCIENCE >> Cryosphere >> Glaciers/Ice Sheets >> Glacier Elevation/Ice Sheet Elevation
GCMD >> EARTH SCIENCE >> Cryosphere >> Glaciers/Ice Sheets >> Glacier Thickness/Ice Sheet Thickness
GCMD >> EARTH SCIENCE >> Cryosphere >> Glaciers/Ice Sheets >> Ice Sheets
 
 
Please give credit for this item to
NASA/Goddard Space Flight Center Scientific Visualization Studio
The Next Generation Blue Marble data is courtesy of Reto Stockli (NASA/GSFC).


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