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1880 to 2005
CO2 285 to 378
Temperature change 0.8C
TSI change 0.2W/m^2
df for CO2 = 4.89*ln(378/285) = 1.38w/m^2
Total dF = 1.58w/m^2 (assuming equal influence between TSI and CO2)
climate sensitivity = dT/dF = 0.8/1.58 = 0.506 (significantly lower than my previous calculations)
So assuming CO2 going to 600ppm and no significant change in TSI
dF = 4.89*ln (600/378) = 2.26w/m^2
dT = 0.506* 2.26 = 1.14C projected temperature change over the 0.8 change from 1880.
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