Monday, July 20, 2015

Arctic Sea Ice Extent remains ahead of 2011, 2012, 2013, and 2014 as of July 19, 2015, DMI

7/19/15, "Arctic Sea Ice Extent, The Northern Hemisphere Sea Ice coverage," DMI, Danish Meteorological Institute


"Northern Hemisphere Sea Ice extent"

"Total sea ice extent on the northern hemisphere during the past years, including climate mean; plus/minus 1 standard deviation. The ice extent values are calculated from the ice type data from the Ocean and Sea Ice, Satellite Application Facility (OSISAF), where areas with ice concentration higher than 15% are classified as ice.

The total area of sea ice is the sum of First Year Ice (FYI), Multi Year Ice (MYI) and the area of ambiguous ice types, from the OSISAF ice type product. The total sea ice extent can differ slightly from other sea ice extent estimates. Possible differences between this sea ice extent estimate and others are most likely caused by differences in algorithms and definitions."...


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