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Multi-year Arctic Sea Ice

The most visible change in the Arctic region in recent years has been the rapid decline of the perennial ice cover. The perennial ice is the portion of the sea ice floating on the surface of the ocean that survives the summer. This ice that spans multiple years represents the thickest component of the sea ice cover.

These still images show a comparison of the perennial Arctic sea ice and the first-year sea ice in 1980, 2008 and 2012. The bright white central mass shows the perennial sea ice while the larger light blue area shows the full extent of the winter sea ice including the average annual sea ice during the months of November, December and January.

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An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 2012. This image has a transparent background.    An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 2012. This image has a transparent background.

Available formats:
  3840 x 2160     TIFF       9 MB
  1920 x 1080     TIFF       2 MB
  1280 x 720       TIFF       1 MB
  640 x 360         TIFF   355 KB
  320 x 180         PNG       70 KB


An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 1980. This image has a transparent background.    An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 1980. This image has a transparent background.

Available formats:
  3840 x 2160     TIFF       9 MB
  1920 x 1080     TIFF       2 MB
  1280 x 720       TIFF       1 MB
  640 x 360         TIFF   335 KB


An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 2008. This image has a transparent background.    An image of multi-year sea ice (brighter white) shown over the average sea ice (light blue) during the three winter months ending in January 2008. This image has a transparent background.

Available formats:
  3840 x 2160     TIFF       9 MB
  1280 x 720       TIFF       1 MB
  1920 x 1080     TIFF       2 MB
  640 x 360         TIFF   333 KB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?3916
Animation Number:3916
Completed:2012-02-23
Animators:Cindy Starr (GST) (Lead)
 Lori Perkins (NASA/GSFC)
 Greg Shirah (NASA/GSFC)
Producer:Jefferson Beck (USRA)
Scientist:Josefino Comiso (NASA/GSFC)
Project Support:James W. Williams (GST)
Writer:Maria-Jose Vinas Garcia (Telophase Corp)
Platform/Sensor/Data Set:DMSP/SSM/I/Comiso's Multi-year Sea Ice Concentration
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio
 
Keywords:
DLESE >> Cryology
SVS >> HDTV
DLESE >> Physical oceanography
GCMD >> Earth Science >> Cryosphere
GCMD >> Earth Science >> Cryosphere >> Sea Ice
GCMD >> Earth Science >> Cryosphere >> Snow/Ice
GCMD >> Earth Science >> Hydrosphere >> Snow/Ice
GCMD >> Earth Science >> Oceans >> Sea Ice
GCMD >> Earth Science >> Cryosphere >> Sea Ice >> Ice Depth/Thickness
GCMD >> Earth Science >> Cryosphere >> Sea Ice >> Ice Growth/Melt
GCMD >> Earth Science >> Cryosphere >> Sea Ice >> Ice Types
GCMD >> Earth Science >> Cryosphere >> Sea Ice >> Sea Ice Concentration
GCMD >> Earth Science >> Cryosphere >> Snow/Ice >> Ice Depth/Thickness
GCMD >> Earth Science >> Cryosphere >> Snow/Ice >> Ice Growth/Melt
GCMD >> Earth Science >> Oceans >> Sea Ice >> Ice Depth/Thickness
GCMD >> Earth Science >> Oceans >> Sea Ice >> Ice Growth/Melt
Related Documentation is available:
Comiso_jcli-d-11-00113_2E1.pdf
 
 


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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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