Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/cp-21-919-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-21-919-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 5
Research article
 | 
20 May 2025
Research article |  | 20 May 2025

The Early–Middle Pleistocene Transition in the Gulf of Cadiz (NE Atlantic) – an interplay between subtropical gyre and extremely cold surface waters

Aline Mega, Teresa Rodrigues, Emília Salgueiro, Mária Padilha, Henning Kuhnert, and Antje H. L. Voelker
Publisher's note: The supplement has been exchanged after publication of the final article because the article has been published with an old version of the supplement and not with the one needed for the revised version where two additional figures appear:
  • Figure 2 shows the % G. truncatulinoides distribution in the North Atlantic, in support to the related text added in the "Material and methods" section.
  • Figure 4 reveals the differences between the age models used in this paper and the previously published Bajo et al. (2020) speleothem ages; as discussed in the "Results" section on the chronostratigraphy.

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Short summary
Our research explores climatic changes during the Early–Middle Pleistocene (1006–750 ka) on the southern Portuguese margin. We found that warm, subtropical-gyre-related conditions dominated. However, those conditions were occasionally interrupted by extreme cold events during the glacial periods. Our data show that these cold events, linked to changes in the North Atlantic's circulation, reached as far south as 36° N and significantly impacted marine ecosystems in the surface ocean.
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