Camille Akhoudas¹, Jean-baptiste Sallee², Gilles P Reverdin¹, Michael Paul Meredith³, Alberto Naveira Garabato⁴, Alexander Haumann⁵, Loic Jullion⁴, Giovanni Aloisi⁶, Marion Benetti⁷, Melanie J Leng⁸ and Carol Arrowsmith⁸, (1)Sorbonne Université - CNRS/IRD/MNHN, LOCEAN, Paris, France, (2)Sorbonne Université, LOCEAN‐IPSL, CNRS/IRD/MNHN, Paris, France, (3)NERC British Antarctic Survey, Cambridge, United Kingdom, (4)University of Southampton, National Oceanography Centre, Southampton, United Kingdom, (5)Princeton University, Atmospheric and Oceanic Sciences Program, Princeton, United States, (6)Université Paris Diderot, Institut de Physique du Globe de Paris, Paris, France, (7)University of Iceland, Institute of Earth Sciences, Paris, France, (8)British Geological Survey, NERC Isotope Geoscience Facilities, Nottingham, United Kingdom