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[Phys-l] Arctic Ice (was Re: global temperatures)



Richard Tarara wrote:
> No..there was a thread--maybe it was of PhysSoc about how
> the ice was being measured--from photos, which don't show
> thickness.

Actually, NASA had a press conference this morning about Arctic sea ice. See:

http://davidappell.blogspot.com/2009/04/arctic-sea-ice.html

Since 2004, Arctic sea ice thickness has been measured by satellite, to an accuracy of about 1 inch.

David