Southern Ocean Regime Shift Revealed by Long-term Repeated Hydrographic Observations in East Antarctica

Jean-baptiste Sallee1, John Akl2, Gael Alory3, Matthis Auger4, Alexandra Aymard5, Rebecca Cowley6, Marion Gehlen7, Elodie Kestenare8, Casimir de Lavergne9, Claire LoMonaco5, Auguste Lugrin5, Nicolas Metzl5, Rosemary Morrow10, Evéa Piedagnel5, Gilles Reverdin11, Bronte Tilbrook2 and Claire Waelbroeck12, (1)CNRS, LOCEAN-IPSL, Paris Cedex 5, France, (2)CSIRO Marine and Atmospheric Research Hobart, Hobart, Australia, (3)Observatory Midi-Pyrenees, Toulouse, France, (4)Sorbonne Université, LOCEAN‐IPSL, Paris, France, (5)LOCEAN-IPSL, Paris, France, (6)CSIRO, Hobart, TAS, Australia, (7)CEA, LSCE, Gif-Sur-Yvette, France, (8)LEGOS, Toulouse, France, (9)LOCEAN Laboratory, Sorbonne Université-CNRS-IRD-MNHN, Paris, France, (10)CNES French National Center for Space Studies, Toulouse Cedex 09, France, (11)Sorbonne Université-CNRS-IRD-MNHN, LOCEAN – IPSL, Paris, France, (12)CNRS, Paris Cedex 16, France