Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 11, issue 4
Articles | Volume 11, issue 4
https://doi.org/10.5194/esd-11-925-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-11-925-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 4
Research article
 | 
03 Nov 2020
Research article |  | 03 Nov 2020

Effect of changing ocean circulation on deep ocean temperature in the last millennium

Jeemijn Scheen and Thomas F. Stocker

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Latest update: 13 Dec 2024
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Short summary
Variability of sea surface temperatures (SST) in 1200–2000 CE is quite well-known, but the history of deep ocean temperatures is not. Forcing an ocean model with these SSTs, we simulate temperatures in the ocean interior. The circulation changes alter the amplitude and timing of deep ocean temperature fluctuations below 2 km depth, e.g. delaying the atmospheric signal by ~ 200 years in the deep Atlantic. Thus ocean circulation changes are shown to be as important as SST changes at these depths.
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