1. Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences; University of Cambridge; Cambridge UK
2. Institute of Geological Sciences and Oeschger Center for Climate Change Research; University of Bern; Bern Switzerland
3. Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL; CNRS-CEA-UVSQ, Université de Paris-Saclay; Gif-sur-Yvette France
4. Alfred Wegener Institute for Polar and Marine Research; Bremerhaven Germany