Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 44, issue 2
Articles | Volume 44, issue 2
https://doi.org/10.5194/jm-44-555-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-44-555-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 44, issue 2
Research article
 | 
18 Nov 2025
Research article |  | 18 Nov 2025

Paleoproductivity and coccolith carbonate export in the northern Bay of Bengal during the late Pleistocene

Medhavi Srivastava, Clara T. Bolton, Luc Beaufort, Franck Bassinot, and Katarína Holcová

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Short summary
The Bay of Bengal is a unique region influenced by the Asian monsoon. We present a record of past ocean productivity and carbonate flux based on the fossil remains of calcifying algae over the last 279 000 years from a core in the northern Bay of Bengal. We used AI microscopy to count and measure plankton fossils and identify species. Results show that coccolith export, including of the species Florisphaera profunda, is highest when the monsoon is weak and the water column is more mixed.
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