Centre analysts have begun testing the inclusion of sea - ice data from a Japanese satellite, but that spacecraft — designed to last five years — is now five years old. (scientificamerican.com)
The synthesis of the regional ice data sets is described. (wattsupwiththat.com)
Monthly sea ice data show trends of increasing sea ice extent that are slightly above the mean year - to - year variability over the satellite record (1979 to present). (nsidc.org)