Table 2
Change in area covered by sea ice during summer from 1968 to 2010

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Change in area covered by sea ice during summer from 1968 to 2010


Table summary
This table displays the results of change in area covered by sea ice during summer from 1968 to 2010 sea ice, total (all), multi-year (older than one year) and absolute change per decade, calculated using absolute change per decade, change per decade relative to 1968, overall change (1968 to 2010), square kilometres and percent units of measure (appearing as column headers).
  Sea ice
Total (all) Multi-year (older than one year)
Absolute change per decade Change per decade relative to 1968 Overall change (1968 to 2010) Absolute change per decade Change per decade relative to 1968 Overall change (1968 to 2010)
  square kilometres percent square kilometres percent
Sea ice region  
Arctic Domain  
Southern Beaufort Sea -24,956 -6 -25 NS NS NS
Canadian Arctic Archipelago -21,575 -4 -16 NS NS NS
Baffin Bay -18,658 -10 -43 -385 -21  Note 1 -89  Note 1
Kane Basin -1,227 -4 -15 NS NS NS
Foxe Basin -7,577 -9 -39 NS NS NS
Hudson Domain  
Hudson Bay -16,605 -11 -45 Note ...: not applicable Note ...: not applicable Note ...: not applicable
Hudson Strait -4,947 -16 -68 Note ...: not applicable Note ...: not applicable Note ...: not applicable
Davis Strait -6,581 -14 -60 Note ...: not applicable Note ...: not applicable Note ...: not applicable
Northern Labrador Sea -1,536 -17 -73 Note ...: not applicable Note ...: not applicable Note ...: not applicable
Shipping route region  
Northwest Passage - North Route NS NS NS NS NS NS
Northwest Passage - South Route -6,986 -6 -25 NS NS NS
Arctic Bridge -14,147 -15 -61 Note ...: not applicable Note ...: not applicable Note ...: not applicable
NS
Linear trend is not statistically significant at the 95% confidence level.
1.
Multi-year ice only covers a very small part of this region.
Source(s):
Statistics Canada, Environment Accounts and Statistics Division, 2011, special tabulation.