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This new version supersedes the current version 1.0, which provides monthly data through April 2021 and will no longer be updated.

The new version includes the following improvements or changes:

  • Extension of the CDR period from March 2015 to April 2020.
  • Newly reprocessed input data from Envisat and CryoSat-2.
  • Improvedsnow climatology.
  • Improved computation of the gridded sea-ice thickness uncertainty. 
  • Minor changes to variable attributes and flag values.

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