Articles | Volume 16, issue 6
Research article
13 Nov 2020
Research article |  | 13 Nov 2020

Simulating Marine Isotope Stage 7 with a coupled climate–ice sheet model

Dipayan Choudhury, Axel Timmermann, Fabian Schloesser, Malte Heinemann, and David Pollard


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (23 Jun 2020) by Qiuzhen Yin
AR by Dipayan Choudhury on behalf of the Authors (24 Jun 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (30 Jun 2020) by Qiuzhen Yin
RR by Anonymous Referee #1 (21 Jul 2020)
ED: Publish as is (24 Jul 2020) by Qiuzhen Yin
AR by Dipayan Choudhury on behalf of the Authors (27 Jul 2020)  Author's response    Manuscript
Short summary
Our study is the first study to conduct transient simulations over MIS 7, using a 3-D coupled climate–ice sheet model with interactive ice sheets in both hemispheres. We find glacial inceptions to be more sensitive to orbital variations, whereas glacial terminations need the concerted action of both orbital and CO2 forcings. We highlight the issue of multiple equilibria and an instability due to stationary-wave–topography feedback that can trigger unrealistic North American ice sheet growth.