Extent and age of arctic sea ice 1979-2010 – Canadian Society for Ecology and Evolution, May 2010

The linked animated map shows monthly change in sea ice in the Arctic Ocean. The pink dots are the tagged buoys that gathered these data. The white areas are multi-year sea ice – described by Louis Fortier of Université Laval as the “capital” on which the “interest” of new yearly ice grows. Blue areas show annual ice accumulation. Pretty stunning evidence of climate change. From last week’s Canadian Society for Ecology and Evolution meeting in Québec.

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