The story of this year's Arctic sea ice decline did not end on 16 September when the sea ice reached its official minimum extent for the Arctic overall. The decline has continued in the Chukchi Sea -- with momentous consequences. While the National Ice Center indicated that a large "marginal ice zone" was present north of Alaska on 16 September, that zone continued to decline and on 24 September the marginal ice zone had been entirely replaced by open water.
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