Antoine Ringard¹, Thomas James Ryan-Keogh², Eva Bucciarelli³, Camille Richon⁴, Olivier Aumont⁵, Stéphane Blain⁶, Robert M Sherrell⁷, Benjamin S Twining⁸, Eric P Achterberg⁹, Corentin Baudet¹⁰, Thomas Browning⁹, Colombo Manuel¹¹, Susanne Fietz¹², Jinxuan Li¹³, Angela Milne¹⁴, Dr. Johannes J Viljoen¹⁵ and Hélène Planquette¹⁰, (1)IUEM Institut Universitaire Européen de la Mer, LEMAR UMR (CNRS, Univ Brest, IRD, Ifremer), Plouzané, France, (2)Council for Scientific and Industrial Research (CSIR), Southern Ocean Carbon-Climate Observatory (SOCCO), Cape Town, South Africa, (3)LEMAR (CNRS, Univ Brest, IRD, Ifremer), Plouzané, France, (4)CNRS, Laboratoire des Sciences de l'Environnement Marin (LEMAR), Plouzané, France, (5)LOPS, Laboratoire d'Océanographie Physique et Spatiale, LOPS, CNRS, Ifremer, IRD, UBO, Rue Dumont D'Urville, 29280, Plouzané, France, Paris, France, (6)Sorbonne Université, Laboratoire d'Océanographie Microbienne, Banyuls sur mer, France, (7)Rutgers University, Department of Marine and Coastal Sciences and Department of Earth and Planetary Sciences, Piscataway, United States, (8)Bigelow Laboratory for Ocean Sciences, East Boothbay, United States, (9)GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany, (10)IUEM Institut Universitaire Européen de la Mer, LEMAR (CNRS, Univ Brest, IRD, Ifremer), Plouzané, France, (11)Virginia Institute of Marine Science, William & Mary, Gloucester Point, United States, (12)Stellenbosch University, Department of Earth Sciences, Faculty of Science, Stellenbosch, South Africa, (13)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, United States, (14)University of Plymouth, Plymouth, United Kingdom, (15)University of Exeter, Department of Earth and Environmental Science, Penryn, United Kingdom