Unprecedented ? !
The next time those greenpeace girls, standing on the corner, try to tell you that any change in glacier melt in Greenland is unprecedented, show them this from the IPCC. ( same holds for our left of liberal watermelon governor )
IPCC – TAR – 2001
…..The warming phase, that took place about 11,500 years ago, at the end of the Younger Dryas was also very abrupt and central Greenland temperatures increased by 7°C or more in a few decades (Johnsen et al., 1992; Grootes et al., 1993; Severinghaus et al., 1998)……
Richard B. Alley
Ice-core evidence of abrupt climate changes
…..As the world slid into and out of the last ice age, the general cooling and warming trends were punctuated by abrupt changes. Climate shifts up to half as large as the entire difference between ice age and modern conditions occurred over hemispheric or broader regions in mere years to decades…….