- This is a pretty map of the sea ice concentration in the Bering Sea (updated). http://arctic.atmos.uiuc.edu/cryosphere/
Lots of other neat stuff from the cryosphere (north and south), including the detailed ice conditions. They also have the archived data and maps to show the changes in sea ice over the years.
This website is a portal to recent research related to Arctic climate and climate change at the Department of Atmospheric Sciences at the University of Illinois.
See also for current conditions
- Sea Ice Analysis http://pafc.arh.noaa.gov/ice.php?img=ice
and the references here
- Explore the Cryosphere