Articles | Volume 12, issue 5
Clim. Past, 12, 1225–1241, 2016
https://doi.org/10.5194/cp-12-1225-2016
Clim. Past, 12, 1225–1241, 2016
https://doi.org/10.5194/cp-12-1225-2016

Research article 25 May 2016

Research article | 25 May 2016

The impact of the North American glacial topography on the evolution of the Eurasian ice sheet over the last glacial cycle

Johan Liakka et al.

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Short summary
The present study explains why Scandinavia was ice-covered 20 000 years ago, while Siberia was mostly ice free. The authors show that the ice-sheet extent in Eurasia was to a large extent controlled by atmospheric circulation changes due to the ice sheet in North America. As the North American ice sheet becomes larger, it induces a cooling in Europe and a warming in Siberia: this climatic pattern forces the Eurasian ice sheet to migrate westward until it is centered over Scandinavia.