Articles | Volume 10, issue 3
Earth Syst. Dynam., 10, 569–598, 2019
https://doi.org/10.5194/esd-10-569-2019
Earth Syst. Dynam., 10, 569–598, 2019
https://doi.org/10.5194/esd-10-569-2019

Research article 23 Sep 2019

Research article | 23 Sep 2019

Arctic amplification under global warming of 1.5 and 2 °C in NorESM1-Happi

Lise S. Graff et al.

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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 (20 Mar 2018) by Richard Betts
AR by Lise Seland Graff on behalf of the Authors (30 Sep 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (19 Oct 2018) by Richard Betts
RR by Anonymous Referee #1 (06 Nov 2018)
RR by Anonymous Referee #2 (07 Dec 2018)
ED: Reconsider after major revisions (01 Feb 2019) by Richard Betts
AR by Lise Seland Graff on behalf of the Authors (15 Mar 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (16 May 2019) by Richard Betts
RR by Anonymous Referee #1 (01 Jun 2019)
ED: Publish subject to minor revisions (review by editor) (21 Jun 2019) by Richard Betts
AR by Lise Seland Graff on behalf of the Authors (04 Jul 2019)  Author's response    Manuscript
ED: Publish as is (23 Jul 2019) by Richard Betts
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Short summary
Differences between a 1.5 and a 2.0 °C warmer global climate than 1850 conditions are discussed based on a suite of global atmosphere-only, fully coupled, and slab-ocean runs with the Norwegian Earth System Model. Responses, such as the Arctic amplification of global warming, are stronger with the fully coupled and slab-ocean configurations. While ice-free Arctic summers are rare under 1.5 °C warming in the slab-ocean runs, they are estimated to occur 18 % of the time under 2.0 °C warming.
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