Molly Trudgill¹, Lena Andrzejewski², Elisabeth Michel¹, Giuseppe Siani², James William Buchanan Rae³, Xavier Crosta⁴ and William Robert Gray¹, (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 Paris-Saclay, CNRS UMR 8148 GEOPS, Orsay, France, (3)University of St Andrews, School of Earth and Environmental Sciences, St Andrews, United Kingdom, (4)University of Bordeaux, CNRS, UMR 5805 EPOC, Pessac Cedex, France