Daniel Ford¹, Amanda R Fay², Thea Hatlen Heimdal², Galen A McKinley², Marion Gehlen³, Victor Cabanay³, Frederic Chevallier³, Alizée Roobaert⁴, Christian Rödenbeck⁵, Jacqueline Behncke⁶, Dr. Annika Jersild⁷, Nicolas Gruber⁸, Luke Gregor⁹, Judith Hauck^10,11, Sreeush Mohanan¹⁰, Laique Merlin Djeutchouang¹², Jiye Zeng¹³, Yosuke Iida¹⁴, Andrew J. Watson¹, Peter Landschützer⁴ and Jamie Shutler¹, (1)University of Exeter, Exeter, United Kingdom, (2)Columbia University and Lamont-Doherty Earth Observatory, New York, United States, (3)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (4)Flanders Marine Institute (VLIZ), Ostend, Belgium, (5)Max Planck Institute for Biogeochemistry, Jena, Germany, (6)Max Planck Institute for Meteorology, Hamburg, Germany, (7)University of Maryland College Park, College Park, United States, (8)Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland, (9)Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, Zurich, Switzerland, (10)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Bremerhaven, Germany, (11)University of Bremen, Bremen, Germany, (12)Stellenbosch University and Southern Ocean Carbon – Climate Observatory, Cape Town, South Africa, (13)National Institute for Environmental Studies, Tsukuba, Japan, (14)Atmosphere and Ocean Department, Japan Meteorological Agency, Tokyo, Japan