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Arctic Sea Ice 2011 Minimum

Sea ice in the Arctic ocean declines from its near-maximum state in early spring 2011 through the summer and up until the summer minimum of Sept. 9, 2011, in this visualization of data collected by the AMSR-E instrument on NASA's Aqua satellite. Sea ice goes through this shrink-and-swell rhythm every year, but since consistent satellite observations began in 1979, both the annual minimum at the end of summer and the annual maximum at the end of winter continue to decline in area and thickness.

Arctic sea ice extent on Sept. 9 was 4.33 million square kilometers (1.67 million square miles), placing 2011 as the second lowest minimum ice extent on record. Ice extent was 2.43 million square kilometers (938,000 square miles) below the 1979 to 2000 average.

Below two versions of the AMSR-E visualization is a video featuring NASA Cryosphere Program Manager Tom Wagner, who shares his insights on the 2011 minimum.

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Arctic sea ice from March 7 to September 9, 2011.    Arctic sea ice from March 7 to September 9, 2011.
Duration: 35.1 seconds
Available formats:
  1280x720 (29.97 fps) QT         18 MB
  320x240 (29.97 fps) MPEG-4   2 MB
  1280x720 (59.94 fps) QT         604 MB
  640x360 (29.97 fps) MPEG-4   5 MB
  640x360 (29.97 fps) QT         12 MB
  1280x720 (29.97 fps) WMV         18 MB
  960x540 (29.97 fps) WEBM         6 MB
  320x180     PNG           124 KB
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Arctic sea ice from March 7 to September 9, 2011, ending with a comparison of the 30-year average minimum extent (in yellow) and the Northwest Passage (shown in red.)    Arctic sea ice from March 7 to September 9, 2011, ending with a comparison of the 30-year average minimum extent (in yellow) and the Northwest Passage (shown in red.)
Duration: 60.0 seconds
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  1280x720   MPEG-4   45 MB
  960x540     WEBM         7 MB
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In a taped version of a live broadcast, NASA Cryosphere Program Manager Tom Wagner shares his insights on the 2011 minimum.    In a taped version of a live broadcast, NASA Cryosphere Program Manager Tom Wagner shares his insights on the 2011 minimum.

For complete transcript, click here.
Duration: 3.8 minutes
Available formats:
  1280x720 (59.94 fps) QT         3 GB
  640x360 (29.97 fps) MPEG-4   43 MB
  640x360 (29.97 fps) MPEG-4   43 MB
  960x540 (29.97 fps) MPEG-4   110 MB
  320x240 (29.97 fps) MPEG-4   23 MB
  640x360 (29.97 fps) QT         103 MB
  1280x720 (29.97 fps) QT         138 MB
  1280x720 (29.97 fps) WMV         130 MB
  960x540 (29.97 fps) WEBM         45 MB
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Dates with alpha channel    Dates with alpha channel

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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10828
Animation Number:10828
Completed:2011-09-15
Animators:Trent L. Schindler (UMBC) (Lead)
 Cindy Starr (GST)
Producers:Jefferson Beck (USRA)
 Malissa Reyes (USRA)
Writer:Patrick Lynch (Wyle Information Systems)
Platform/Sensor/Data Set:Aqua/AMSR-E
Series:Narrated Movies
Please give credit for this item to:
NASA/Goddard Space Flight Center
 
Keywords:
SVS >> Climate
SVS >> HDTV
SVS >> Ocean
SVS >> Sea Ice
SVS >> Arctic
NASA Science >> Earth
 
 


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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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