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The Break Up of the Oldest and Thickest Sea Ice in the Arctic

The break up of the strongest (oldest and thickest) sea ice in the Arctic has been observed, for the first time on record, this year. This important observation, which acts as one of the many indicators of a changing climate, will require that important revisions on the current forecasts for perennial sea ice are made.

The Guardian has recently published an article on the break up (, with inputs from Thomas Lavergne (from the Norwegian Meteorological Institute), one of the scientists working on the CCI Sea Ice project, and Ruth Mottram (from the Danish Meteorological Institute), part of the CCI Greenland Ice Sheet project.