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Greenland Ice Sheet Mass Changes from NASA GSFC GRACE Mascon Solutions

&lowastLuthcke, S.B., D.D. Rowlands, J.J. McCarthy, A. Arendt, T. Sabaka, J.P. Boy, F.G. Lemoine, "Recent Changes of the Earth's Land Ice from GRACE, " presented at 2009 Fall AGU, H13G-02 (693337), Dec. 14, 2009.

The mass changes of the Greenland Ice Sheet (GIS) are computed from the Gravity Recovery and Climate Experiment (GRACE) inter-satellite range-rate observations for the period April 5, 2003 - July 25, 2009. The mass of the GIS has been computed at 10-day intervals and 200km spatial resolution from a regional high-resolution mascon solution (Luthcke and others, 2008 and 2006). The animation shows the change in mass referenced from April 5, 2003. The spatial variation in surface mass is shown in centimeters equivalent height of water. The time variation of the GIS mass is shown in the x-y plot insert with units of Gigatons.

&lowastCorresponding author:
Scott B. Luthcke
NASA GSFC
Planetary Geodynamics Laboratory, Code 698
Scott.B.Luthcke@nasa.gov
301-614-6112

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This animation shows mass changes over Greenland  with a colorbar, graph and clock overlay.    This animation shows mass changes over Greenland with a colorbar, graph and clock overlay.
Duration: 49.0 seconds
Available formats:
  1280x720 (30 fps) MPEG-4   20 MB
  640x360 (30 fps) MPEG-4   4 MB
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  320x180     PNG           70 KB
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This animation shows mass changes over Greenland without the chart, colorbar or seasonal clock.    This animation shows mass changes over Greenland without the chart, colorbar or seasonal clock.
Duration: 49.0 seconds
Available formats:
  1280x720 (30 fps) MPEG-4   22 MB
  640x360 (30 fps) MPEG-4   4 MB
  1920x1080 (60 fps) Frames (Background)
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A high resolution still image of ice sheet mass changes over Greenland on 07/25/2005.    A high resolution still image of ice sheet mass changes over Greenland on 07/25/2005.

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A high resolution still image of ice sheet mass changes over Greenland on 07/25/2009.    A high resolution still image of ice sheet mass changes over Greenland on 07/25/2009.

Available formats:
  6400 x 3600     TIFF     22 MB


Overlay of the graph, clock and colorbar with an alpha channel.    Overlay of the graph, clock and colorbar with an alpha channel.

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This colorbar used for the above animation.  The minimum data value is -322.933 while the maximum data value is 101.653.
   This colorbar used for the above animation. The minimum data value is -322.933 while the maximum data value is 101.653.

Available formats:
  325 x 150         TIFF     58 KB
  320 x 147         PNG       58 KB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?3663
Animation Number:3663
Completed:2009-12-04
Animators:Cindy Starr (GST) (Lead)
 Lori Perkins (NASA/GSFC)
Producer:Paul Reddish (Free Spirit Films)
Scientist:Scott Luthcke (NASA/GSFC)
Platforms/Sensors/Data Sets:Terra and Aqua/MODIS/Blue Marble: Next Generation (1/1/2004 - 12/31/2004)
 Gravity Recovery and Climate Experiment (GRACE)/Star Camera/Mascon Solution (4/5/2003 - 7/25/2009)
Series:GRACE mascon Solutions
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio
The Blue Marble Next Generation data is courtesy of Reto Stockli (NASA/GSFC) and NASA's Earth Observatory.
 
Keywords:
SVS >> Global Warming
SVS >> HDTV
GCMD >> Earth Science >> Cryosphere >> Glaciers/Ice Sheets >> Glacier Mass Balance/Ice Sheet Mass Balance
SVS >> Climate Change
SVS >> For Educators
SVS >> Glacial Processes
Science paper:Luthcke, S.B., A.A. Arendt, D.D. Rowlands, J.J. McCarthy and C.F. Larsen. Recent glacier mass changes in the Gulf of Alaska region from GRACE mascon solutions. Journal of Glaciology, Vol. 54, No. 188, 2008.

Luthcke, S.B., H.J. Zwally, W. Abdalati, D.D. Rowlands, R.D. Ray, R.S. Nerem, F.G. Lemoine, J.J. McCarthy and D.S. Chinn. Recent Greenland Ice Mass Loss by Drainage System from Satellite Gravity Observations. Science, 314, 1286, 2006. [DOI: 10.1126/science.1130776]

 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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