Sensors Hitch Ride on Arctic Whales

Date: 1/2/2011

Scientists using sensors attached to narwhals, a type of Arctic whale known for its unicorn-horn-like tooth, detected continued warming of the southern Baffin Bay off West Greenland. Sensors recorded ocean depths and temperatures during feeding dives from the surface pack ice to the seafloor, as deep as 1,773 metres. There is limited opportunity to measure ocean temperatures in Baffin Bay during winter months because of dense ice and harsh conditions.

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