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Wiesław Masłowski is a research professor at the Naval Postgraduate School in Monterey , California since 2009 .. Naval Postgraduate School. Naval Postgraduate School. He obtained his MS from the University of Gdansk in 1987 , and his PhD from the University of Alaska , Fairbanks in 1994 with a dissertation entitled `` Numerical modeling study of the circulation of the Greenland Sea '' .. University of Gdansk. University of Gdansk. Greenland Sea. Greenland Sea. He became well known in 2007 for stating that the Arctic Ocean might be nearly ice free in the summer as early as 2013 , based on projection of the declining ice volume trend .. Arctic Ocean. Arctic Ocean. While later revised to 2016 +  /  - 3 years based on computer modeling , this prediction became controversial when the Arctic was not sea-ice free in 2013 , having increased from the record low set in 2012 .