A FAR more detailed calculation
http://sedac.ciesin.columbia.edu/mva/WR1987/WR1987.html
predicts 4-8 cm for a 0.6-1.0°C temp increase.
ch 10 pg 812 of the IPCC report here: http://ipcc-wg1.ucar.edu/wg1/wg1-report.html
gives similar values
