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Annual Gradient Melt over Greenland 1979 Through 2009

The ice sheet melt extent is a daily (or every-other-day, prior to August 1987) estimate of the spatial extent of wet snow on the Greenland ice sheet derived from passive microwave satellite brightness temperature characteristics. This indicator of melt on each area of the ice sheet for each day of observation is physically based on the changes in microwave emission characteristics observable in data. Although it is not a direct measure of the snow wetness, it is representative of the amount of ice loss due to seasonal melting that occurs on the Greenland ice sheet.

This animation is a time series showing the regions of the Greenland ice sheet where melt occurred for more than three days between May 1st and September 30th for each year. Areas in which melt occurred for longer time periods are shown in a darker red while those areas melted for fewer days are shown in lighter red. Areas melted three or less days during the year are not colored.

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This animation shows the change in annual melt over Greenland from 1979 through 2009 with a date overlay.    This animation shows the change in annual melt over Greenland from 1979 through 2009 with a date overlay.
Duration: 33.0 seconds
Available formats:
  1280x720 (30 fps) MPEG-4   3 MB
  640x360 (30 fps) MPEG-4   1 MB
  1920x1080 (60 fps) Frames (Composite)
  1920x1080 (30 fps) Frames (Composite)
  1280x720 (60 fps) Frames (Composite)
  1280x720 (30 fps) Frames (Composite)
  320x180 (30 fps) X-FLV       1 MB
  320x180     PNG           87 KB
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This animation shows the change in annual melt over Greenland from 1979 through 2007 without a date overlay.    This animation shows the change in annual melt over Greenland from 1979 through 2007 without a date overlay.

Available formats:
  1920x1080 (60 fps) Frames (Background)
  1920x1080 (30 fps) Frames (Background)
  1280x720 (60 fps) Frames (Background)
  1280x720 (30 fps) Frames (Background)
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The colorbar applied to this data.
   The colorbar applied to this data.

Available formats:
  320 x 90           PNG       11 KB


Melt during 2009    Melt during 2009

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2008    Melt during 2008

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2007    Melt during 2007

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2006    Melt during 2006

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2005    Melt during 2005

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2004    Melt during 2004

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2003    Melt during 2003

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2002    Melt during 2002

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2001    Melt during 2001

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 2000    Melt during 2000

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1999    Melt during 1999

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1998    Melt during 1998

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1997    Melt during 1997

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1996    Melt during 1996

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1995    Melt during 1995

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1994    Melt during 1994

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1993    Melt during 1993

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1992    Melt during 1992

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1991    Melt during 1991

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1990    Melt during 1990

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1989    Melt during 1989

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1988    Melt during 1988

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1987    Melt during 1987

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1986    Melt during 1986

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1985    Melt during 1985

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1984    Melt during 1984

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1983    Melt during 1983

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1982    Melt during 1982

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1981    Melt during 1981

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1980    Melt during 1980

Available formats:
  6400 x 3600     TIFF     28 MB


Melt during 1979    Melt during 1979

Available formats:
  6400 x 3600     TIFF     28 MB


The associated date overlay with transparency.    The associated date overlay with transparency.

Available formats:
  1920x1080 (60 fps) Frames (Date)
  1920x1080 (30 fps) Frames (Date)
  1280x720 (60 fps) Frames (Date)
  1280x720 (30 fps) Frames (Date)
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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?3720
Animation Number:3720
Completed:2010-05-12
Animators:Cindy Starr (GST) (Lead)
 Lori Perkins (NASA/GSFC)
Scientists:Waleed Abdalati (NASA/GSFC)
 Thorsten Markus (NASA/GSFC)
Platforms/Sensors/Data Sets:Greenland Ice Sheet Melt Characteristics (May 1 through September 30 each year from 1979 through 2007)
 Nimbus-7/SMMR
 DMSP/SSM/I
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).
 
Keywords:
DLESE >> Cryology
SVS >> Global Warming
SVS >> HDTV
GCMD >> Earth Science >> Cryosphere
GCMD >> Earth Science >> Cryosphere >> Snow/Ice
GCMD >> Earth Science >> Hydrosphere >> Snow/Ice
GCMD >> Earth Science >> Cryosphere >> Sea Ice >> Ice Growth/Melt
GCMD >> Earth Science >> Cryosphere >> Snow/Ice >> Freeze/Thaw
GCMD >> Earth Science >> Cryosphere >> Snow/Ice >> Ice Growth/Melt
GCMD >> Earth Science >> Cryosphere >> Snow/Ice >> Snow Melt
GCMD >> Earth Science >> Hydrosphere >> Snow/Ice >> Snow Melt
SVS >> iPod
SVS >> For Educators
SVS >> Greenland
SVS >> Ice >> Seasonal Melting
 
 


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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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