Tipping points in the climate system and their predictabilityPeter Ditlevsen, Niels Bohr Institute, University of Copenhagen

E. Lorenz, 1969

Ganopolski et al, 2010

M Scheffer et al. Nature 461, 53-59 (2009) doi:10.1038/nature08227

Can tipping points be detected?Critical slowing down indicated by an increase in lag-1 autocorrelation in climate dynamics.

M Scheffer et al. Nature 461, 53-59 (2009) doi:10.1038/nature08227

Can tipping points be detected?Critical slowing down indicated by an increase in lag-1 autocorrelation in climate dynamics.

Ditlevsen and Johnsen, GRL, 2010

Ditlevsen and Johnsen, GRL, 2010

• Ditlevsen, Svensmark and Johnsen, Nature 1996

• Ditlevsen, Svensmark and Johnsen, Nature 1996

• Ditlevsen, Svensmark and Johnsen, Nature 1996

• Ditlevsen, Svensmark and Johnsen, Nature 1996

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

• Ditlevsen, GRL, 1999

Ditlevsen, Paleoceanography, 2009