Articles | Volume 11, issue 9
Clim. Past, 11, 1165–1180, 2015
https://doi.org/10.5194/cp-11-1165-2015
Clim. Past, 11, 1165–1180, 2015
https://doi.org/10.5194/cp-11-1165-2015

Research article 18 Sep 2015

Research article | 18 Sep 2015

Coupled Northern Hemisphere permafrost–ice-sheet evolution over the last glacial cycle

M. Willeit and A. Ganopolski

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Short summary
In this paper we explore the permafrost–ice-sheet interaction using the fully coupled climate–ice-sheet model CLIMBER-2 with the addition of a newly developed permafrost module. We find that permafrost has a moderate but significant effect on ice sheet dynamics during the last glacial cycle. In particular at the Last Glacial Maximum the inclusion of permafrost leads to a 15m sea level equivalent increase in Northern Hemisphere ice volume when permafrost is included.