By Paul Homewood
As we know, sea ice extent in the Arctic has reduced in recent years from its level in the 1980s. The area where the greatest reduction has been seen is the Barents Sea and adjoining area.
Dramatic climatic shifts in this part of the world have in fact been commonplace, even during the 20thC, and they are always connected to oceanic changes.
In 2007, Bob Dickson and Svein Osterhus wrote a seminal paper, One hundred years in the Norwegian Sea, which was published in the Norwegian Journal of Geography. They described the major climatic events in that part of the world.
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