Sea ice

This maps show trend for Arctic Sea Ice as part of the Sea Ice Analysis Tool

A new data visualization tool, the Sea Ice Analysis Tool , has just been added to the Arctic Sea Ice News & Analysis ( ASINA ) website. The tool helps users customize sea ice extent and concentration data into graphs or maps based on their chosen criteria.

Data image showing Arctic sea ice extent in 1979

After forty years, satellite data has made sea ice one of the most studied natural phenomena on Earth, revealing trends in sea ice extent, concentration, and thickness.

We’ve all heard it: Arctic sea ice is melting. Sea ice is thinner year to year and there is less of it. In 2007, scientists observed a nearly 50 percent loss of summer ice as compared to 1980....

Even during the Antarctic summer, heavy sea ice conditions are not uncommon. This photograph of sea ice was...
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