Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 43, issue 2
Articles | Volume 43, issue 2
https://doi.org/10.5194/jm-43-211-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jm-43-211-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 2
Research article
 | 
11 Jul 2024
Research article |  | 11 Jul 2024

Pliocene–Pleistocene warm-water incursions and water mass changes on the Ross Sea continental shelf (Antarctica) based on foraminifera from IODP Expedition 374

Julia L. Seidenstein, R. Mark Leckie, Robert McKay, Laura De Santis, David Harwood, and IODP Expedition 374 Scientists

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Short summary
Warmer waters in the Southern Ocean have led to the loss of Antarctic ice during past interglacial times. The shells of foraminifera are preserved in Ross Sea sediment, which is collected in cores. Benthic species from Site U1523 inform us about changing water masses and current activity, including incursions of Circumpolar Deep Water. Warm water planktic species were found in sediment samples from four intervals within 3.72–1.82 million years ago, indicating warmer than present conditions.
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Special issue
Advances in Antarctic chronology, paleoenvironment, and paleoclimate...