Articles | Volume 17, issue 4
https://doi.org/10.5194/cp-17-1483-2021
https://doi.org/10.5194/cp-17-1483-2021
Research article
 | 
19 Jul 2021
Research article |  | 19 Jul 2021

Deep ocean temperatures through time

Paul J. Valdes, Christopher R. Scotese, and Daniel J. Lunt

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Cited articles

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Short summary
Deep ocean temperatures are widely used as a proxy for global mean surface temperature in the past, but the underlying assumptions have not been tested. We use two unique sets of 109 climate model simulations for the last 545 million years to show that the relationship is valid for approximately the last 100 million years but breaks down for older time periods when the continents (and hence ocean circulation) are in very different positions.
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