Articles | Volume 15, issue 1
Clim. Past, 15, 377–388, 2019
https://doi.org/10.5194/cp-15-377-2019
Clim. Past, 15, 377–388, 2019
https://doi.org/10.5194/cp-15-377-2019

Research article 26 Feb 2019

Research article | 26 Feb 2019

Interhemispheric effect of global geography on Earth's climate response to orbital forcing

Rajarshi Roychowdhury and Robert DeConto

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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 (24 Nov 2017) by Pascale Braconnot
AR by Rajarshi Roychowdhury on behalf of the Authors (07 Feb 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (12 Mar 2018) by Pascale Braconnot
RR by Anonymous Referee #3 (09 Apr 2018)
RR by Anonymous Referee #2 (09 May 2018)
ED: Reconsider after major revisions (13 May 2018) by Pascale Braconnot
AR by Anna Wenzel on behalf of the Authors (07 Nov 2018)  Author's response
ED: Referee Nomination & Report Request started (15 Nov 2018) by Pascale Braconnot
RR by Anonymous Referee #3 (27 Nov 2018)
RR by Anonymous Referee #2 (21 Dec 2018)
ED: Publish subject to minor revisions (review by editor) (29 Dec 2018) by Pascale Braconnot
AR by Rajarshi Roychowdhury on behalf of the Authors (09 Jan 2019)  Author's response    Manuscript
ED: Publish as is (18 Jan 2019) by Pascale Braconnot
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Short summary
The climate response of the Earth to orbital forcing shows a distinct hemispheric asymmetry, and one of the reasons can be ascribed to the unequal distribution of land in the Northern Hemisphere and Southern Hemisphere. We show that a land asymmetry effect (LAE) exists, and that it can be quantified. By using a GCM with a unique geographic setup, we illustrate that there are far-field influences of global geography that moderate or accentuate the Earth's response to orbital forcing.