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Sea Ice Index

Explore current and archived sea ice data on the NSIDC Sea Ice Index Web site.

Movie of sea ice extent, 1979–2009, in Google Earth

2009 sea ice extent side-by-side with 1979–2009 climatology (QuickTime, 1.1 MB)

State of the Cryosphere: Sea Ice

Cryosphere Glossary

Scientists at NSIDC

NASA Visualization Studio: Arctic Sea Ice Minimum 2010

Satellite images and animation from NASA AMSR-E data.

NASA Visualization Studio: Arctic Sea Ice Maximum 2010

AMSR-E Arctic Sea Ice: September 2009 to March 2010.

NOAA Arctic Report Card 2010: Sea Ice

NSIDC Scientist Walt Meier contributed to the sea ice section of the National Oceanic and Atmospheric Association's Arctic Report Card 2010.

Sea Ice Outlook Report

This report, updated monthly during the summer melt season, synthesizes scientific projections concerning Arctic sea ice extent. From the Study of Environmental Arctic Change.

University of Colorado at Boulder: Learn More About Climate

NSIDC Scientists Ted Scambos, Mark Serreze, and Shari Gearheard discuss climate change in a video, "Colorado's Changing Climate."

Melting Snow and Ice: A Call for Action

NSIDC scientist Richard Armstrong contributed to this report on how climate change is affecting the Earth's frozen regions.