114 Modellingthe climate
24 For more information see Giorgi, F., Hewitson, B. 2001. Regional climate
information – evaluation and projections. In Houghton,Climate Change
2001 , Chapter 10.
25 See http://www.climateprediction.net
26 Hint: recall Stefan’s blackbody radiation law that the energy emitted is pro-
portional to the fourth power of the temperature.