Animation of a normal sea ice season in the Northwest Passage calculated using the average normal ice extent between 1969-1998. The animation indicates weekly ice extent and estimated permanent ice extent throughtout the year.
Be sure to check how climate change has dramatically impacted minimal sea-ice.
http://www.iup.uni-bremen.de:8084/amsredata/asi_daygrid_swath/l1a/n6250/
Example: Observe how sea-ice in early August 2010 was gone.
And if you weekly trend ice coverage in Parry Sound from 2009 to 2010 it appears to be increasing?
Weekly trending in Franklin
Weekly trending in Peel Sound for 2009 to 2010
Weekly trending at West Parry Sound for 2008 to 2010
Trend your own parameters from here: http://ice-glaces.ec.gc.ca/IceGraph103/page1.jsf
Weekly ice concentrations Northwest Passage:
(http://www.ec.gc.ca/glaces-ice/default.asp?Lang=En&n=2D414464-1&wsdoc=61BCCE40-2248-11DF-9BC2-B9D43796A02E)
Historic ice coverage Northwest Passage: (http://www.ec.gc.ca/glaces-ice/default.asp?Lang=En&n=2D414464-1&wsdoc=61B10B0A-2248-11DF-9AA8-C82C1EB3C1F4)
Historical Total Accumulated Ice Coverage for the Northwest Passage: (http://www.ec.gc.ca/glaces-ice/default.asp?Lang=En&n=2D414464-1&wsdoc=61A550B2-2248-11DF-A6D0-89B8A492EB6A)
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