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Saturday, September 22, 2012

Peter Wadhams on Tom Hartman: Arctic emergency

This video has been edited to improve the audio lags of the original.
  https://www.youtube.com/watch?v=JVUYUPbOhe8
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2 comments:

Unknown said...

It is unfortunate that in the background was images of glaciers calving instead of sea ice. And the moderator also talks of ice sheets instead of sea ice. While I am convened that the Arctic will be nearly ice free in the summers within a decade I am not quite sure of "three to four years". Also I am not at all convinced that geoengineering provides an answer, even a partial answer.

September 22, 2012 at 5:15 PM
Tenney Naumer said...

Dear Unknown,

Multi-year ice is nearly all gone.

Have a look at this depiction:

http://www7320.nrlssc.navy.mil/hycomARC/navo/arcticictn/nowcast/ictn2012092118_2012092200_035_arcticictn.001.gif

Next year's melt will depend on the thickness over the winter.

However, note that the ice is not reforming to the depth that it might have 10 years ago -- the water beneath it has gotten too warm.

September 23, 2012 at 4:53 PM

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