Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 43, issue 2
Articles | Volume 43, issue 2
https://doi.org/10.5194/jm-43-323-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jm-43-323-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 2
Research article
 | 
15 Aug 2024
Research article |  | 15 Aug 2024

Population morphometrics of the Southern Ocean diatom Fragilariopsis kerguelensis related to sea surface temperature

Joseph A. Ruggiero, Reed P. Scherer, Joseph Mastro, Cesar G. Lopez, Marcus Angus, Evie Unger-Harquail, Olivia Quartz, Amy Leventer, and Claus-Dieter Hillenbrand

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Short summary
We quantify sea surface temperature (SST) in the past Southern Ocean using the diatom Fragilariopsis kerguelensis that displays variable population with SST.  We explore the use of this relatively new proxy by applying it to sediment assemblages from the Sabrina Coast and Amundsen Sea. We find that Amundsen Sea and Sabrina Coast F. kerguelensis populations are different from each other.  An understanding of F. kerguelensis dynamics may help us generate an SST proxy to apply to ancient sediments.
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Advances in Antarctic chronology, paleoenvironment, and paleoclimate...