CL
Climate: Past, Present & Future

Maddalena Passelergue

Maddalena Passelergue is a PhD candidate at the University of Melbourne, Australia. Her research focuses on meltwater events during past interglacials, using speleothems as natural paleoarchives. In particular, her work aims to characterise changes in global oceanic and atmospheric circulation associated with these events and to evaluate their climatic impacts.

When a major climate event goes almost unnoticed: the elusive 8.2 ka signal in southern France stalagmites

When a major climate event goes almost unnoticed: the elusive 8.2 ka signal in southern France stalagmites

  Around 8,200 years ago, the climate of the Northern Hemisphere experienced an abrupt disturbance. In Greenland ice cores, the signal is unmistakable: a rapid drop in temperatures, followed by a gradual return to previous conditions. This episode, which lasted about 150 years, is known as the 8.2 ka event (“ka” meaning thousand years before 1950). It is often described as the most prominent ...[Read More]