Articles | Volume 21, issue 5
https://doi.org/10.5194/cp-21-919-2025
https://doi.org/10.5194/cp-21-919-2025
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

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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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