Arctic thaw significantly worsens glo...

Arctic thaw significantly worsens global warming risk

There are 2 comments on the New Scientist story from Feb 18, 2014, titled Arctic thaw significantly worsens global warming risk. In it, New Scientist reports that:

Melting ice is cooking the planet. Shrinking Arctic sea ice means the ocean is absorbing more energy from the sun, and it's now clear the effect is twice as big as thought - adding significantly to heating from greenhouse gases.

Join the discussion below, or Read more at New Scientist.


Everett, WA

#1 Feb 18, 2014
From the article:
The extra energy absorbed goes into the ocean, particularly on the side of the Arctic near Alaska and Siberia, which is losing the most ice. "I don't know where it's going from there," says Eisenman.
Lots of AGW energy absorbed by ocean waters that were uncovered by retreating sea ice AND that is over downwellings, is transported to continental shelves & the ocean depths, for ocean depth storage & giving extra energy thawing clathrates.

Toronto, Canada

#2 Feb 18, 2014
One thing not mentioned is the shorter season and lower area of snow on land, which also contributes a positive feedback. A stronger one than is commonly understood.

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