did anyone expect this? Arctic sea ice extent has hit record low for November

17 11 2009

I’d stopped looking at the Arctic sea ice extent since it became pretty clear that September — the summer melt peak — was coming in third place and not breaking the previous low of 2007 (or 2008). But thanks to David Spratt, I’ve just seen that November has hit a new record minimum. That is, in the autumn/fall period where ice extent should again be seasonally increasing, that increase has been less than was the case during the 2007 recovery. I wish I knew more on this to be confident, but I’d hazard a guess to say this indicates that localised autumn temperature increases have affected ice regrowth, at least for 2009. This cannot be a good thing, no matter how you look at it…

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