Articles | Volume 15, issue 2
https://doi.org/10.5194/cp-15-811-2019
https://doi.org/10.5194/cp-15-811-2019
Research article
 | 
25 Apr 2019
Research article |  | 25 Apr 2019

Decadal-scale progression of the onset of Dansgaard–Oeschger warming events

Tobias Erhardt, Emilie Capron, Sune Olander Rasmussen, Simon Schüpbach, Matthias Bigler, Florian Adolphi, and Hubertus Fischer

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Latest update: 18 Apr 2024
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Short summary
The cause of the rapid warming events documented in proxy records across the Northern Hemisphere during the last glacial has been a long-standing puzzle in paleo-climate research. Here, we use high-resolution ice-core data from to cores in Greenland to investigate the progression during the onset of these events on multi-annual timescales to test their plausible triggers. We show that atmospheric circulation changes preceded the warming in Greenland and the collapse of the sea ice by a decade.