1Aix Marseille University, CNRS, IRD, INRAE, CEREGE, Aix-en-Provence, France
2Institute of Geosciences, University of Potsdam, Potsdam, Germany
3MARUM—Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
4School of Geography, University of Leeds, Leeds, UK
5School of Geography and Sustainable Development, University of St Andrews, St Andrews, UK
6IFP Energies Nouvelles, Earth Sciences and Environmental Technologies Division, Rueil-Malmaison, France
7Institute of Earth Surface Dynamics, Geopolis, University of Lausanne, Lausanne, Switzerland
8Faculté des Sciences et Techniques, Université Marien Ngouabi, Brazzaville, Republic of the Congo
9École Normale Supérieure, Université Marien Ngouabi, Brazzaville, Republic of the Congo
10École Normale Supérieure d’Agronomie et de Foresterie, Université Marien Ngouabi, Brazzaville, Republic of the Congo
11Faculté de Gestion des Ressources Naturelles Renouvelables, Université de Kisangani, Kisangani, Democratic Republic of the Congo
12Faculté des Sciences, Université de Kisangani, Kisangani, Democratic Republic of the Congo
13Institut Supérieur Pédagogique de Mbandaka, Mbandaka, Democratic Republic of the Congo
14School of Geography, Geology and the Environment, University of Leicester, Leicester, UK
15School of Water, Energy and Environment, Cranfield University, Bedford, UK
16British Geological Survey, Centre for Environmental Geochemistry, Keyworth, UK
17Institute of Earth Sciences, University of Lausanne, Lausanne, Switzerland
18NEIF Radiocarbon Laboratory, Scottish Universities Environmental Research Centre (SUERC), Glasgow, UK
19School of Biosciences, University of Nottingham, Nottingham, UK
20Department of Geography, University College London, London, UK