Latest Data From MASIE
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By Paul Homewood
As well as their main dataset of sea ice extent, NSIDC also have Arctic data from MASIE, (Multisensor Analyzed Sea Ice Extent).
The two datasets are not directly comparable as they are calculated in different ways. In addition, MASIE data only starts in 2006.
Nevertheless, as even NSIDC themselves accept, it is MASIE which is the more accurate product.
When we compare data for 21st Feb, we find that current extent is higher than 2006, 2007, 2011 and 2015:
Moreover, the year with the greatest extent was 2014, and this was only 1.9% higher than this year. Clearly Arctic sea ice is much more stable than we are told.
Temperatures in the Arctic have been plummeting this month, so it is likely that sea ice will continue to grow for a while yet.
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February 23, 2017 at 03:57AM
Iowa Climate Science Education 