Ocean Science www.ocean-sci.net 1812-0784 1812-0792 4 2 2008 10.5194/os-4-151-2008 http://www.ocean-sci.net/4/151/2008/ http://www.ocean-sci.net/4/151/2008/os-4-151-2008.html http://www.ocean-sci.net/4/151/2008/os-4-151-2008.pdf 151 181 2008-05-26 The low-resolution CCSM2 revisited: new adjustments and a present-day control run M. Prange mprange@palmod.uni-bremen.de MARUM – Center for Marine Environmental Sciences and Department of Geosciences, University of Bremen, Klagenfurter Str., 28334 Bremen, Germany The low-resolution (T31) version of the Community Climate System Model CCSM2.0.1 is revisited and adjusted by deepening the Greenland-Scotland ridge, changing oceanic mixing parameters, and applying a regional freshwater flux adjustment at high northern latitudes. The main purpose of these adjustments is to maintain a robust Atlantic meridional overturning circulation which collapses in the original model release. 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