Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 43, issue 2
Articles | Volume 43, issue 2
https://doi.org/10.5194/jm-43-269-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jm-43-269-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 2
Research article
 | 
01 Aug 2024
Research article |  | 01 Aug 2024

Direct link between iceberg melt and diatom productivity demonstrated in Mid-Pliocene Amundsen Sea interglacial sediments

Heather Furlong and Reed Paul Scherer

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Short summary
Diatom assemblages are vital components of the Antarctic ecosystem and nutrient supply chain, and they are often utilized as paleoclimate proxies to better understand past climatic changes. We demonstrate enhanced diatom production and accumulation in the outer Amundsen Sea during a Mid-Pliocene interglacial that coincides with pulses of ice-rafted terrestrial debris, providing compelling evidence that iceberg calving seeds diatom productivity in the Southern Ocean.
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Advances in Antarctic chronology, paleoenvironment, and paleoclimate...