[Vision2020] Arctic Sea Ice Volume/Extent Sept. 2010 Update

[Ted Moffett]

The summer low Arctic sea ice volume and extent is now close to what can be
expected to be the minimum for 2010, though I suppose there is still a week
or two left in the summer season for surprise developments.

The PIOMAS Arctic sea ice volume measurements from the Polar Science Center,
Applied Physics Laboratory at the University of Washington, shows that the
summer 2010 Arctic sea ice volume reached record lows (
http://psc.apl.washington.edu/ArcticSeaiceVolume/IceVolume.php  ;
http://psc.apl.washington.edu/ArcticSeaiceVolume/images/BPIOMASIceVolumeAnomalyCurrent.png).
Despite the criticisms of the PIOMAS results commonly presented on the
Internet, they validate their findings through a variety of methods, as can
be read at the websites here.

The Arctic sea ice extent for 2010, according the National Snow Ice Data
Center, is now the third lowest on record, higher than the record low of
2007 and the low of 2008, but lower than last years 2009 summer minimum (
http://nsidc.org/arcticseaicenews/index.html ;
http://nsidc.org/images/arcticseaicenews/20100907_Figure2.png ).
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Vision2020 Post: Ted Moffett
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