%0 Journal Article %T Review of Survey Activities 2005: Radical past climatic changes in the Arctic Ocean and a geophysical signature of the Lomonosov Ridge north of Greenland %A Mikkelsen %A Naja %A N£¿rgaard-Pedersen %A Niels %A Yngve Kristoffersen %A Larsen %A Susanne Juul %J Geological Survey of Denmark and Greenland Bulletin %D 2006 %I Geological Survey of Denmark and Greenland %K Radical %K climatic change %K Arctic Ocean Lomonosov Ridge %K ice cover %K disappear %K thinning %K shrinking %K green-house warming %K variability %K GreenICE %K global warming %K advection %K foraminifers %U http://www.geus.dk/publications/bull/nr10/nr10_p61-64.pdf