Articles | Volume 18, issue 1
https://doi.org/10.5194/cp-18-89-2022
https://doi.org/10.5194/cp-18-89-2022
Research article
 | 
20 Jan 2022
Research article |  | 20 Jan 2022

Variability in Neogloboquadrina pachyderma stable isotope ratios from isothermal conditions: implications for individual foraminifera analysis

Lukas Jonkers, Geert-Jan A. Brummer, Julie Meilland, Jeroen Groeneveld, and Michal Kucera

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Latest update: 17 Jul 2024
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Short summary
The variability in the geochemistry among individual foraminifera is used to reconstruct seasonal to interannual climate variability. This method requires that each foraminifera shell accurately records environmental conditions, which we test here using a sediment trap time series. Even in the absence of environmental variability, planktonic foraminifera display variability in their stable isotope ratios that needs to be considered in the interpretation of individual foraminifera data.