Historical time-variation in climate sensitivity related to the nature of the forcing
Jonathan M Gregory1,2, Timothy Andrews1, Thorsten Mauritsen3, Mark Webb1 and Paulo Ceppi4, (1)Met Office Hadley Centre, Exeter, United Kingdom, (2)Met Office Hadley Centre and National Centre for Atmospheric Science, University of Reading, Reading, United Kingdom, (3)Stockholm University, Department of Meteorology, Stockholm, Sweden, (4)Grantham Institute, Imperial College, London, United Kingdom