Tipping points: Early warning and wishful thinking

Details Tipping points: Early warning and wishful thinking Tipping points: Early warning and wishful thinking

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3719703d&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 19, CiteID L19703

Physics

Geophysics

6

Global Change: Abrupt/Rapid Climate Change (4901, 8408), Paleoceanography: Ice Cores (0724), Nonlinear Geophysics: Bifurcations And Attractors, Mathematical Geophysics: Time Series Analysis (1872, 1988, 4277, 4475), Global Change: Climate Dynamics (0429, 3309)

Scientific paper

The causes for and possible predictions of rapid climate changes are poorly understood. The most pronounced changes observed, beside the glacial terminations, are the Dansgaard-Oeschger events. Present day general circulation climate models simulating glacial conditions are not capable of reproducing these rapid shifts. It is thus not known if they are due to bifurcations in the structural stability of the climate or if they are induced by stochastic fluctuations. By analyzing a high resolution ice core record we exclude the bifurcation scenario, which strongly suggests that they are noise induced and thus have very limited predictability.

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