Sonya Legg¹, Einar Povl Abrahamsen², Christian E. Buckingham², Alex Forryan³, Eleanor Frajka-Williams⁴, Stephen Griffies⁵, Alberto Naveira Garabato⁶, Keith W Nicholls², Kurt L Polzin⁷, Jean-baptiste Sallee⁸, Carl Spingys³ and Lily Wittle⁹, (1)Princeton University, Princeton, NJ, United States, (2)British Antarctic Survey, Cambridge, United Kingdom, (3)University of Southampton, Southampton, United Kingdom, (4)National Oceanography Centre, Southampton, United Kingdom, (5)Geophysical Fluid Dynamics Laboratory, United States, (6)University of Southampton, National Oceanography Centre, Southampton, United Kingdom, (7)WHOI, Woods Hole, MA, United States, (8)Sorbonne Université, LOCEAN‐IPSL, CNRS/IRD/MNHN, Paris, France, (9)NOAA Ernest F Hollings Undergraduate Scholarship Program, Silver Spring, MD, United States