Alfredo Martinez-Garcia¹, Simone Moretti¹, Alexandra Auderset¹, Anja S Studer¹, Ralf Schiebel², Elisabeth Michel³, Frank Lamy⁴, Gisela Winckler⁵, Sam Jaccard⁶, Ralf Tiedemann⁷, Daniel Mikhail Sigman⁸ and Gerald Hermann Haug⁹, (1)Max Planck Institute for Chemistry, Mainz, Germany, (2)Max Planck Institute for Chemistry, Climate Geochemistry Department, Mainz, Germany, (3)LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, (4)AWI Bremerhaven, Bremerhaven, Germany, (5)Columbia University, Lamont-Doherty Earth Observatory, New York, NY, United States, (6)University of Bern, Bern, Switzerland, (7)Alfred-Wegener-Institute, Bremerhaven, Germany, (8)Princeton University, Princeton, NJ, United States, (9)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland