Scientific Drilling
Scientific Drilling
SD
Articles | Volume 35, issue 1
Articles | Volume 35, issue 1
https://doi.org/10.5194/sd-35-61-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/sd-35-61-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 35, issue 1
Science report
 | 
17 Mar 2026
Science report |  | 17 Mar 2026

Scientific deep drilling in the Chew Bahir basin: advantages and pitfalls of two overlapping sediment cores

Verena Foerster, Asfawossen Asrat, Christopher Bronk Ramsey, Erik T. Brown, Alan Deino, Asfaw Erbello, Markus L. Fischer, Daniel Gebregiorgis, Annett Junginger, Stefanie Kaboth-Bahr, Christine S. Lane, Stephan Opitz, Anders Noren, Helen M. Roberts, Ralph Tiedemann, Céline-Marie Vidal, Finn Viehberg, Ralf Vogelsang, Charlotte Zachow, Bahru Zinaye, Andrew S. Cohen, Henry F. Lamb, Frank Schaebitz, and Martin H. Trauth

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Short summary
To explore links between human evolution and environmental change, the Chew Bahir basin in southern Ethiopia, a sedimentary climate archive, was investigated through a series of scientific drilling expeditions. We share key lessons from planning, site selection, drilling strategy and core processing, with a focus on the awards and challenges in collecting and merging twin sediment cores into a near-continuous record to provide practical lessons for future projects.
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