2014
DOI: 10.1016/j.ocemod.2013.10.005
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Abstract: a b s t r a c tSimulation characteristics from eighteen global ocean-sea-ice coupled models are presented with a focus on the mean Atlantic meridional overturning circulation (AMOC) and other related fields in the North Atlantic. These experiments use inter-annually varying atmospheric forcing data sets for the 60-year period from 1948 to 2007 and are performed as contributions to the second phase of the Coordinated Oceanice Reference Experiments (CORE-II). The protocol for conducting such CORE-II experiments … Show more

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Cited by 347 publications
(389 citation statements)
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“…For a steady state climate, we show that the spread in key circulation indices such as the maximum transport of the AMOC and the volume transport of the ACC at Drake Passage can vary by 34% (AMOC) and 19% (ACC) for a given set of physical parameters in the ocean model. Importantly, the spread in the AMOC strength is of similar magnitude as the range of values that results from driving a set of different ocean models with a fixed set of CORE-II atmospheric forcing data [Danabasoglu et al, 2014[Danabasoglu et al, , 2016. This result clearly highlights the first-order influence of surface flux biases on the spread in simulated ocean circulations.…”
Section: Discussionsupporting
confidence: 52%
“…For a steady state climate, we show that the spread in key circulation indices such as the maximum transport of the AMOC and the volume transport of the ACC at Drake Passage can vary by 34% (AMOC) and 19% (ACC) for a given set of physical parameters in the ocean model. Importantly, the spread in the AMOC strength is of similar magnitude as the range of values that results from driving a set of different ocean models with a fixed set of CORE-II atmospheric forcing data [Danabasoglu et al, 2014[Danabasoglu et al, , 2016. This result clearly highlights the first-order influence of surface flux biases on the spread in simulated ocean circulations.…”
Section: Discussionsupporting
confidence: 52%
“…Using EN3 zonal mean salinity multiplied with the RAPID transports, we obtain an M ov of -0.75 Sv. A known problem with models is that they do not get the depth of the North Atlantic Deep Water (NADW) circulation cell of the AMOC correct and typically have it 1000 m or more too shallow (Danabasoglu et al, 2014). Stretching the AMOC profile to have the minimum and maximum values at the same depths as the RAPID profile makes the M ov at 26.5°N slightly more negative but not by a large amount, decreasing the mean by 0.05 Sv but increasing the range (-0.93 to 0.13 Sv).…”
Section: Ov At 265°nmentioning
confidence: 99%
“…The observational-based estimates of its average strength vary between 16.9 Sv at 26.5 • N (Smeed et al, 2016) to 18.5 Sv at 24 • N (Ganachaud, 2003;Lumpkin and Speer, 2007) and 16.5 Sv at 48 • N (Ganachaud, 2003). In terms of modelled AMOC, Danabasoglu et al (2014) assessed the mean AMOC of 18 oceanice models forced by prescribed atmospheric forcing from 1948 to 2007 and ran five repetitive forcing cycles, restarted from the state at the end of the previous cycle. Many of these 15 ocean models were also used as the ocean-ice components of CMIP5 climate models.…”
Section: Atlantic Meridional Overturning Circulationmentioning
confidence: 99%
“…For example, papers of the CORE-II virtual special issue of the Ocean Modelling Journal, such as Danabasoglu et al (2014Danabasoglu et al ( , 2016; Downes et al (2015); Farneti et al (2015); Griffies et al (2014); Wang et al (2016a, b), and of the ORA-IP special issue of the Climate Dynamics Journal, such as Chevallier et al (2015), are particularly relevant for this study. As the majority of CORE-II and ORA-IP ocean model configurations, our grid configuration (ORCA1) does not resolve ocean eddies.…”
Section: Introductionmentioning
confidence: 99%