2008, April 16
A team of scientists including polar expert Dr. Derek Mueller from Trent University and Canadian Rangers have discovered that the largest ice shelf in the Northern Hemisphere has fractured into three main pieces.
During their sovereignty patrol across the northernmost parts of Canada over the last two weeks, they visited a new 18 kilometre-long network of cracks running from the southern edge of the Ward Hunt Ice Shelf to the Arctic Ocean. This accompanies a large central fracture that was first detected in 2002, and raises the concern that the remaining ice shelf will disintegrate within the next few years.
…continued here: http://www.sciencedaily.com /releases/2008/04/080415205350.htm