| Search results - "extent" |
Arctic Sea Ice News & Analysis2672 viewsThis image compares the average sea ice extent for September 2007 to September 2005; the magenta line indicates the long-term median from 1979 to 2000. September 2007 sea ice extent was 4.28 million square kilometers (1.65 million square miles), compared to 5.57 million square kilometers (2.14 million square miles) in September 2005. This image is from the NSIDC Sea Ice Index.
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Sea Ice674 viewsArctic sea ice image produced from daily-averaged QuikSCAT sigma-0 measurements from NASA SCP Arctic and Antarctic Ice Extent from QuikSCAT, 1999-2004 Dataset.
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258 viewsSnow extent, sea ice concentration, and age layers for the Northern Hemisphere for 03 February 2002 from the Near Real-Time SSM/I EASE-Grid Daily Global Ice Concentration and Snow Extent data set. [url=http://nsidc.org/data/ease/]EASE-Grid Web site/url]
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325 views12-month average probability of occurrence of sea ice extent frequency from 1978-2005 from the Northern Hemisphere EASE-Grid Weekly Snow Cover and Sea Ice Extent Version 3 data set. NSIDC EASE-Grid Web Site
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broken sea ice1362 viewsSea ice north of Greenland.
Photo Credit: Courtesy Andy Mahoney, NSIDC
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Arctic Sea Ice Concentration 2008, Google Earth410 viewsSea Ice: Daily Concentration and Extent (SSM/I Sensor) for 2008 melt season, shown in Google Earth
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