CANADA. Amundsen Gulf. International scientific expedition aboard the Canadian coast guard icebreaker AMUNDSEN. April 2008. Bear footprints. The movement of the Ice Floe plates either colide to form compressed ice or pull apart to expose water, which quickly freezes, these areas of ice are thinner than usual (approx. 50 cm rather than 140 cm in general) and bears often try to break through and wait for seals to come up for air in the resulting hole...