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Arctic sea ice near record lows

September 11, 2011

Full Article at http://www.nsidc.org/arcticseaicenews/

Arctic sea ice extent averaged for August 2011 reached the second lowest level for the month in the 1979 to 2011 satellite record. Both the Northwest Passage and the Northern Sea route appear to be open. Throughout August, sea ice extent tracked near the record lows of 2007, underscoring the continued decline in Arctic ice cover.

Note: Arctic sea ice extent will likely reach its minimum extent for the year sometime in the next two weeks. NSIDC will make a preliminary announcement when ice extent has stopped declining and has increased for several days in a row. Monthly data for September will be released in early October.

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Sea ice is now almost completely gone from the channels of the Northwest Passage, with the exception of a small strip of ice across a stretch of the Parry Channel. The southern route (Amunden’s Route) is ice free. According to the Canadian Ice Service, sea ice extent in the western Parry Channel is now the lowest at this time of year since record keeping began in 1966 and very little multi-year ice remains. According to Multisensor Analyzed Sea Ice Extent (MASIE)data, ice cover across the Canadian Archipelago is at record low levels.

The Northern Sea Route along Siberia remains ice-free, with a number of cargo ships passing through in recent weeks. However, some areas of older, thicker ice have helped preserve the tongue of ice extending into the East Siberian Sea.

Full Article at http://www.nsidc.org/arcticseaicenews/

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