Julia Whitty on the 2011 Arctic report card

From Deep Blue Home and NOAA’s 2011 Arctic report card:

NOAA released its 2011 Arctic report card.
The report doesn’t say ‘tipping point.’ But in fact it might well have been a tipping point. Here’s what this tippinglike point looks like:
  • Persistent decline in the thickness of sea ice cover
  • Persistent decline in the summer extent of sea ice cover
  • A warmer upper ocean
  • A fresher upper ocean
The tipping-ish part is that the system may not return to what it was before 2006. In other words, another new normal.
Read it all here

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