Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 12
Articles | Volume 21, issue 12
https://doi.org/10.5194/cp-21-2525-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-21-2525-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 12
Research article
 | 
02 Dec 2025
Research article |  | 02 Dec 2025

Penultimate glacial sea surface temperature and hydrologic variability in the tropical South Pacific from 150 ka Tahiti corals

Ryuji Asami, Thomas Felis, Ryuichi Shinjo, Masafumi Murayama, and Yasufumi Iryu

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Short summary
We generated high resolution geochemical records from well-preserved fossil corals of the penultimate glacial (~150 000 years ago) and last glacial (~30 000 years ago) periods drilled at Tahiti in the central tropical South Pacific. The fossil records revealed that the glacial mean seawater temperature was 3–4 °C lower and had greater seasonality than present. Our coral-based reconstructions document oceanographic and hydroclimatological changes in glacial periods extremely different from today.
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