| Most viewed - Sea Ice |

Arctic Sea Ice News & Analysis2690 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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broken sea ice1369 viewsSea ice north of Greenland.
Photo Credit: Courtesy Andy Mahoney, NSIDC
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Antarctica1079 viewsSea ice concentration from the NSIDC Sea Ice Index.
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1042 viewsLead, AIDJEX pilot study.
Image Credit: National Snow & Ice Data Center
AIDJEX Web site
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844 viewsPictured here is an example of thin sea ice, glistening beneath the Antarctic sunlight.
Photo Credit: NSIDC Courtesy Anthony Petty
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Sea Ice685 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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636 viewsAn airborne view of the overlapping nila blended into the smooth snow-covered sea ice, which an iceberg at center.
Photo Credit: NSIDC Courtesy Anthony Petty
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630 viewsIcebergs and sea ice melt during the southern hemisphere summer.
Photo Credit: Courtesy Ted Scambos and Rob Bauer, NSIDC
IceTrek Web site
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627 viewsPfeister's Island;March April 1974
Image Credit: NSIDC courtesy Pat Martin
AIDJEX Web site
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Antarctica & Sea Ice622 viewsReduced-resolution image from QuikScat sigma-0 measurements. This image shows Antarctica and the surrounding sea ice on July 1999.
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pancake ice591 viewsPancake photographed north of Greenland.
Photo Credit: Courtesy Andy Mahoney, NSIDC
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555 viewsAIDJEX 1972 pilot study
Image Credit: NSIDC courtesy Tom Marlar/CRREL
AIDJEX Web site
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