• NSIDC's website will undergo planned maintenance on Wednesday, January 15, from 10 a.m. to 12 p.m. (U.S. Mountain Time). During this time, the NSIDC.org website and most NSIDC data access may be briefly unavailable.

sail
the part of a ridge above sea level; like a sail on a sailboat, it catches wind and moves the ice.
Topic(s):
sea ice