Biogeosciences
Biogeosciences
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Articles | Volume 19, issue 4
Articles | Volume 19, issue 4
https://doi.org/10.5194/bg-19-1195-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-19-1195-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 4
Research article
 | 
25 Feb 2022
Research article |  | 25 Feb 2022

Testing the effect of bioturbation and species abundance upon discrete-depth individual foraminifera analysis

Bryan C. Lougheed and Brett Metcalfe

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Latest update: 28 Oct 2025
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Short summary
Measurements on sea-dwelling shelled organisms called foraminifera retrieved from deep-sea sediment cores have been used to reconstruct sea surface temperature (SST) variation. To evaluate the method, we use a computer model to simulate millions of single foraminifera and how they become mixed in the sediment after being deposited on the seafloor. We compare the SST inferred from the single foraminifera in the sediment core to the true SST in the water, thus quantifying method uncertainties.
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