Articles | Volume 33, issue 2
https://doi.org/10.5194/sd-33-93-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/sd-33-93-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Workshop report
| 
17 Jun 2024
Workshop report |
| 17 Jun 2024
| 17 Jun 2024
ICDP workshop on the Deep Drilling in the Turkana Basin project: exploring the link between environmental factors and hominin evolution over the past 4 Myr
Geosciences Department, Hamilton College, Clinton, NY 13323, USA
Melissa Berke
Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
Craig S. Feibel
Department of Earth and Planetary Sciences, Rutgers University, Piscataway, NJ 08854, USA
Department of Anthropology, Rutgers University, New Brunswick, NJ 08901, USA
Verena Foerster
Institute of Geography Education, University of Cologne, 50931 Cologne, Germany
Lydia Olaka
Department of Geoscience and Environment, School of Physics and the Environment, The Technical University of Kenya, P.O. Box 52428-00200, Nairobi, Kenya
Department of Earth and Climate Sciences, Faculty of Science and Technology, University of Nairobi, P.O. Box 30197, Nairobi, Kenya
Helen M. Roberts
Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, Wales, SY23 3DB, UK
Christopher A. Scholz
Department of Earth and Environmental Sciences, Syracuse University, Syracuse, NY 13244, USA
Kat Cantner
Continental Scientific Drilling Facility, University of Minnesota, Minneapolis, MN 55455, USA
Anders Noren
Continental Scientific Drilling Facility, University of Minnesota, Minneapolis, MN 55455, USA
Geoffery Mibei Kiptoo
National Renewable Energy Laboratory, Golden, CO 80401, USA
James Muirhead
School of the Environment, University of Auckland, Tāmaki Makaurau / Auckland, New Zealand
A full list of authors appears at the end of the paper.
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Sherilyn C. Fritz, André O. Sawakuchi, Anders Noren, Paul A. Baker, Cleverson Silva, Carlos Jaramillo, Renato Paes de Almeida, Liliane Janikian, Isaac Salém Bezerra, Marcos Barbosa, Dailson Bertassoli, Rain Blankenship, Cristiano M. Chiessi, Sarah J. Feakins, Maria da Glória Garcia, Cécile Gautheron, Brian Grivna, Gelvam Hartmann, Cindy Kunkel, André Marconato, Angela Martinez, Sebastian G. Marulanda, Carlos Eduardo M. Mazoca, Francisco R. Negri, Mauricio Parra, Werner E. Piller, Fabiano N. Pupim, Victor Salgado, Rachel T. So, Priscila Emerich Souza, Elena Stiles, Caroline A. E. Strömberg, Siu Mui Tsai, Ingo Wahnfried, Josh West, Marc-Élie Adaimé, Jhon Afonso, Thomas Kenji Akabane, Camila Eliza Althaus, Carlos D'Apolito, Kleiton R. Araújo, Roney da Silva de Azevedo Júnior, Jessica Barcellos, Tacio Bicudo, Giovanni Bogota, Bodo Bookhagen, Caio Breda, Alderlene Pimentel de Brito, Francy Carvajal, Daniel Antunes Coppi, Carolina Barbosa Leite da Cruz, Felipe Torres Figueiredo, Kate Freeman, Pedro Victor Oliveira Gomes, Martin Gross, Emma Hartke, Katja Heeschen, William Mozart Henrichs, Leonardo Henrique, Carina Hoorn, Brian K. Horton, Andrés Díaz-Jamamillo, Said Kamrani-Mehni, Fatima Leite, Lin Li, Rodrigo Ferreira de Lucena, Alastair Milne, Thomás Miranda, Marcelo Mota, Diana Ochoa, Vinicius de Lima Passos, Rafaela Maciel Lopes de Paula, Elisa Piispa, Angelo Plata Torres, Surangi W. Punyasena, Adriano Domingos dos Reis, Catherine Rigsby, Andrés F. Salazar Rios, Fernanda Costa Gonçalves Rodrigues, Raquel M. M. Romão, Ingrid C. Romero, Henrique O. Sawakuchi, Doug Schnurrenberger, Kristina Brady Shannon, Silane A. F. da Silva-Caminha, Clauses Sousa, Larissa Natsumi Tamura, Thomas Wiersberg, Helanlin Xiang, and Belén Zamudio
Sci. Dril., 35, 127–157, https://doi.org/10.5194/sd-35-127-2026, https://doi.org/10.5194/sd-35-127-2026, 2026
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The Trans-Amazon Drilling Project seeks to reconstruct the origins of biodiversity in the world's largest and most diverse rain forest, and the roles of landscape changes driven by Andean uplift and global climate change in diversification. We provide a project overview and preliminary results from a drill core from the Acre Basin of western Brazil, which recovered an 860 m sequence that was deposited in a large river system and which will yield critical insights on evolutionary history.
Marie-Luise Adolph, Junbo Wang, Liping Zhu, Leon J. Clarke, Andrew C. G. Henderson, Hendrik Vogel, Gerhard Daut, Peter Frenzel, Jianting Ju, Qiangqiang Kou, Dierk Michaelis, Olga Schmitz, Anja Schwarz, Volkhard Spiess, Arne Ulfers, Cidan Zhaxi, Daniel Ariztegui, Natasha Barbolini, Thorsten Bauersachs, Erwin Braun, Giulia Ceriotti, Brian Grivna, Marlene Hoehle, Rolf Kipfer, Wilhelmine Klamt, Cindy Kunkel, Aliisa Laakkonen, Minghui Li, Qingfeng Ma, Paul Moser Röggla, Kaja Müller, Anders Noren, Ryan O'Grady, Santiago Otero, Maïlys Picard, Anna Pint, Camille Thomas, Jerome Van der Woerd, Mathias Vinnepand, Claudia Wrozyna, Christian Zeeden, Xinghuan Zhu, and Torsten Haberzettl
Sci. Dril., 35, 99–117, https://doi.org/10.5194/sd-35-99-2026, https://doi.org/10.5194/sd-35-99-2026, 2026
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We drilled deep into sediments beneath a large lake on the Tibetan Plateau, Nam Co, to learn how climate and environments have changed over multiple ice age cycles. The recovered sediments show repeated shifts between major changes in lake conditions, water chemistry, and ecosystems. These findings help clarify how wind systems responded to natural climate cycles and improve understanding of how high mountain regions may react to future climate change and environmental stress.
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
Sci. Dril., 35, 61–81, https://doi.org/10.5194/sd-35-61-2026, https://doi.org/10.5194/sd-35-61-2026, 2026
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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.
Deborah N. Tangunan, Ian R. Hall, Luc Beaufort, Melissa A. Berke, Alexandra Nederbragt, and Paul R. Bown
Clim. Past, 21, 2541–2560, https://doi.org/10.5194/cp-21-2541-2025, https://doi.org/10.5194/cp-21-2541-2025, 2025
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We investigated sediments from the tropical Indian Ocean to study water column structure and carbon cycling during the mid-Piacenzian Warm Period, about 3 million years ago, when atmospheric carbon dioxide levels were similar to today. Our findings reveal persistent upper ocean stratification and niche separation among plankton groups, which limited nutrient mixing and carbon export to the deep ocean. These results highlight how ocean layering can influence climate feedback in a warmer world.
Peter K. Bijl, Kasia K. Śliwińska, Bella Duncan, Arnaud Huguet, Sebastian Naeher, Ronnakrit Rattanasriampaipong, Claudia Sosa-Montes de Oca, Alexandra Auderset, Melissa A. Berke, Bum Soo Kim, Nina Davtian, Tom Dunkley Jones, Desmond D. Eefting, Felix J. Elling, Pierrick Fenies, Gordon N. Inglis, Lauren O'Connor, Richard D. Pancost, Francien Peterse, Addison Rice, Appy Sluijs, Devika Varma, Wenjie Xiao, and Yi Ge Zhang
Biogeosciences, 22, 6465–6508, https://doi.org/10.5194/bg-22-6465-2025, https://doi.org/10.5194/bg-22-6465-2025, 2025
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Many academic laboratories worldwide process environmental samples for analysis of membrane lipid molecules of archaea, for the reconstruction of past environmental conditions. However, the sample workup scheme involves many steps, each of which has a risk of contamination or bias, affecting the results. This paper reviews steps involved in sampling, extraction and analysis of lipids, interpretation and archiving of the data. This ensures reproducible, reusable, comparable and consistent data.
Biagio Giaccio, Bernd Wagner, Giovanni Zanchetta, Adele Bertini, Gian Paolo Cavinato, Roberto de Franco, Fabio Florindo, David A. Hodell, Thomas A. Neubauer, Sebastien Nomade, Alison Pereira, Laura Sadori, Sara Satolli, Polychronis C. Tzedakis, Paul Albert, Paolo Boncio, Cindy De Jonge, Alexander Francke, Christine Heim, Alessia Masi, Marta Marchegiano, Helen M. Roberts, Anders Noren, and the MEME team
Sci. Dril., 33, 249–266, https://doi.org/10.5194/sd-33-249-2024, https://doi.org/10.5194/sd-33-249-2024, 2024
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A total of 42 Earth scientists from 14 countries met in Gioia dei Marsi, central Italy, on 23 to 27 October 2023 to explore the potential for deep drilling of the thick lake sediment sequence of the Fucino Basin. The aim was to reconstruct the history of climate, ecosystem, and biodiversity changes and of the explosive volcanism and tectonics in central Italy over the last 3.5 million years, constrained by a detailed radiometric chronology.
Jonathan M. G. Stine, Joshua M. Feinberg, Adam K. Huttenlocker, Randall B. Irmis, Declan Ramirez, Rashida Doctor, John McDaris, Charles M. Henderson, Michael T. Read, Kristina Brady Shannon, Anders Noren, Ryan O'Grady, Ayva Sloo, Patrick Steury, Diego P. Fernandez, Amy C. Henrici, and Neil J. Tabor
Sci. Dril., 33, 109–128, https://doi.org/10.5194/sd-33-109-2024, https://doi.org/10.5194/sd-33-109-2024, 2024
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We present initial results from the upper 450 m of ER-1, a legacy core collected from modern-day Bears Ears National Monument, Utah, USA. This section contains a relatively complete record of Upper Carboniferous to Early Permian sediments, providing a unique window on Earth's last icehouse–hothouse transition. Ongoing research will tie our results to important fossil sites, allowing us to better understand how this climate shift contributed to the evolution of terrestrial life.
Melissa A. Berke, Daniel J. Peppe, and the LVDP team
Sci. Dril., 33, 21–31, https://doi.org/10.5194/sd-33-21-2024, https://doi.org/10.5194/sd-33-21-2024, 2024
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Lake Victoria is home to the largest human population surrounding any lake in the world and provides critical resources across eastern Africa. It is vital to understand the connection between the lake and climate and how it has changed through its history, but to do so we need a complete archive of the sedimentary record. To evaluate the Lake Victoria basin as a potential drilling target, ~50 scientists met in Dar es Salaam, Tanzania, in July 2022 for the Lake Victoria Drilling Project workshop.
Jonathan Obrist-Farner, Andreas Eckert, Peter M. J. Douglas, Liseth Perez, Alex Correa-Metrio, Bronwen L. Konecky, Thorsten Bauersachs, Susan Zimmerman, Stephanie Scheidt, Mark Brenner, Steffen Kutterolf, Jeremy Maurer, Omar Flores, Caroline M. Burberry, Anders Noren, Amy Myrbo, Matthew Lachniet, Nigel Wattrus, Derek Gibson, and the LIBRE scientific team
Sci. Dril., 32, 85–100, https://doi.org/10.5194/sd-32-85-2023, https://doi.org/10.5194/sd-32-85-2023, 2023
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In August 2022, 65 scientists from 13 countries gathered in Antigua, Guatemala, for a workshop, co-funded by the US National Science Foundation and the International Continental Scientific Drilling Program. This workshop considered the potential of establishing a continental scientific drilling program in the Lake Izabal Basin, eastern Guatemala, with the goals of establishing a borehole observatory and investigating one of the longest continental records from the northern Neotropics.
Sebastian Kreutzer, Steve Grehl, Michael Höhne, Oliver Simmank, Kay Dornich, Grzegorz Adamiec, Christoph Burow, Helen M. Roberts, and Geoff A. T. Duller
Geochronology, 5, 271–284, https://doi.org/10.5194/gchron-5-271-2023, https://doi.org/10.5194/gchron-5-271-2023, 2023
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The concept of open data has become the modern science meme. Funding bodies and publishers support open data. However, the open data mandate frequently encounters technical obstacles, such as a lack of a suitable data format for data sharing and long-term data preservation. Such issues are often community-specific and demand community-tailored solutions. We propose a new human-readable data format for data exchange and long-term preservation of luminescence data called XLUM.
Jack N. Williams, Luke N. J. Wedmore, Åke Fagereng, Maximilian J. Werner, Hassan Mdala, Donna J. Shillington, Christopher A. Scholz, Folarin Kolawole, Lachlan J. M. Wright, Juliet Biggs, Zuze Dulanya, Felix Mphepo, and Patrick Chindandali
Nat. Hazards Earth Syst. Sci., 22, 3607–3639, https://doi.org/10.5194/nhess-22-3607-2022, https://doi.org/10.5194/nhess-22-3607-2022, 2022
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We use geologic and GPS data to constrain the magnitude and frequency of earthquakes that occur along active faults in Malawi. These faults slip in earthquakes as the tectonic plates on either side of the East African Rift in Malawi diverge. Low divergence rates (0.5–1.5 mm yr) and long faults (5–200 km) imply that earthquakes along these faults are rare (once every 1000–10 000 years) but could have high magnitudes (M 7–8). These data can be used to assess seismic risk in Malawi.
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Short summary
The Deep Drilling in the Turkana Basin project seeks to determine the relative impacts of tectonics and climate on eastern African ecosystems. To organize goals for coring, we hosted a workshop in Nairobi, Kenya, which focused on how a 4 Myr sedimentary core from Turkana will uniquely address research objectives related to basin evolution, past climates and environments, and modern resources. We concluded that a Pliocene to modern record is best accomplished through a two-phase drilling project.
The Deep Drilling in the Turkana Basin project seeks to determine the relative impacts of...
