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Regional consequences of last glacial climate fluctuations in ultra-high resolution with the help of climate indicators

IOW researcher Helge Arz and his colleague Dan Secrieru open a partial sediment core from the Black Sea
IOW researcher Helge Arz and his Romanian colleague Dan Secrieru opening a partial core from the Black Sea on board FS Meteor (Photo: IOW / H. Arz)

Using a sediment core from the Black Sea, Warnemünde geologists reconstructed together with an international team how the transition into the Greenland Interstadial 10 (GI10), a climate warming 41,000 years ago, affected the Black Sea region over the course of decades. The in-depth study was made possible by a precise synchronization with the ice cores and high resolution multi-proxy analyses. Results show that the regional Black Sea climate did not react synchronously and warmer and wetter conditions delayed by about 190 years. Since this detailed paleo study covers time scales comparable to those of the recent global warming, it contributes to the understanding of relevant processes.

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