Satellite shows big thinning of old Arctic sea ice!

Satellite shows big thinning of old Arctic sea ice

New NASA satellite measurements show that sea ice in the Arctic is more than just shrinking in area, it is thinning dramatically.


The volume of older crucial sea ice in the Arctic has shrunk by 57 percent from late 2004 to 2008. That is losing more volume of ice than water in Lake Michigan.

NASA scientist Jay Zwally said global warming is to blame.

He said rapidly shrinking sea ice in the Arctic warms the rest of the globe indirectly. Older ice is more important in the Arctic because it is thicker, surviving the heat of summer and building over time.

One response to this post.

  1. […] Shows Big Thinning of Winter Arctic Sea Ice, in Just Four Years Jul.17, 2009

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