William Robert Gray¹, Molly Trudgill¹, Madison Shankle², Sarah Eggleston³, Casimir de Lavergne⁴ and Eric D Galbraith⁵, (1)Laboratoire des Sciences du Climat et de l’Environnement, LSCE/IPSL, CNRS-CEA-UVSQ, Université de Paris-Saclay, Gif-Sur-Yvette, France, (2)University of St Andrews, Earth and Environmental Sciences, St Andrews, United Kingdom, (3)Universität Osnabrück, Institut für Mathematik, Osnabrück, Germany, (4)LOCEAN Laboratory, Sorbonne University, Paris, France, (5)McGill University, Earth and Planetary Sciences, Montreal, QC, Canada