At the seasonal minimum 2015, the Arctic Basin was still almost full of sea ice, down only 0.3 mkm2 below the maximum it could ever be.
Remember that spending the summer in the Arctic Basin for most polar bears is just like sitting on the western shore of Hudson Bay – they are all waiting for the refreeze. In either location, they might find something to eat, they might not.
Below are NSIDC MASIE sea ice maps for 10 April 2015 (as big as it gets, basin filled) vs. 17 September 2015:
Ice extent in the Arctic Basin was the same (2.9 mkm2) at this year’s September minimum, officially 11 September 2015, below:
And in 2012 (the lowest minimum extent since 1979), extent in the Arctic Basin was 2.7 mkm2, below:
However, in 2007 (below), the Arctic Basin was even smaller:2.6 mkm2 at…
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