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Petermann Ice Island Updates

Petermann Ice Islands on November 18-19, 2012.

Petermann Ice Islands on November 18-19, 2012.

November 20, 2012 - - The Petermann Ice Island calving from 2012 has produced numerous icebergs, some of which are now located near the mouth of Lancaster Sound in Baffin Bay. Some pieces are still in Nares Strait and have recently grounded.

After much time in Lancaster Sound, PII-B-a from the calving in 2010 has finally exited, and is now grounded along the coast of Baffin Island.  PII-B-1 also appears to be grounded off the east coast of Baffin Island. PII-B-2 has completely broken up. In the last location of this ice island (off Broughton Island, Nunavut), there is nothing left except icebergs. PII-B-2-b appears to be heading westward in Hudson Strait.

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Petermann Ice Island on August 13, 2012.

Petermann Ice Island on August 13, 2012.

August 13, 2012 - - The PII-2012 fragment, measuring 130 km2, is now in Nares Strait. With the help of Transport Canada, the Canadian Ice Service will attempt to drop a beacon on this fragment in the near future. The PII-B-a-1 piece is still in the western part of Lancaster Sound. PII-B-a-2 is further east in Lancaster Sound. The PII-B-1 fragment is still grounded along the east coast of Baffin Island. The orientation of the fragment is now back to an east-west line compared to the north-south orientation it adopted last fall when sea ice became present. Continuing southward, we find the PII-B-2-a fragments off Broughton Island. Some pieces are still grounded while some are mobile. PII-B-2-b has finally left Frobisher Bay and finds itself in the eastern portion of Hudson Strait.