New research
Causes of abrupt climate change
What caused abrupt climate swings known as the Dansgaard-Oeschger events of the last ice age?
![Camille_Dansgaard-Oeschger_map Camille_Dansgaard-Oeschger_map](https://www.uib.no/sites/w3.uib.no/files/styles/content_main/public/media/fig_map_final-eps-converted-to.png?itok=OZkrb0U7×tamp=1547807332)
The Northern Seas. Purple arrows represent surface currents, dashed orange arrows deep currents, and SPG the subpolar gyre. Shading shows annual mean sea surface temperature and sea ice concentration.
Foto/ill.:
Camille Li and Anders Born
Hovedinnhold
Publisert: 18.01.2019
In this review, we speculate that the subpolar North Atlantic hit a sweet spot, possible in a glacial world but not today, where positive feedbacks between winds, sea ice and ocean circulation created large, sustained climate oscillations.
Reference
Camille Li, Andreas Born: Coupled atmosphere-ice-ocean dynamics in Dansgaard-Oeschger events,Quaternary Science Reviews, Volume 203, 2019,Pages 1-20,ISSN 0277-3791, doi.org/10.1016/j.quascirev.2018.10.031.
This is also publised at the web-pages of The Bjerknes Centre for climate research.