Michael Dyonisius¹, Benjamin Hmiel¹, Vasilii V Petrenko¹, Andrew M Smith², Quan Hua³, Bin Yang², Philip Place Jr¹, Peter D Neff⁴, Ross Beaudette⁵, Jochen Schmitt⁶, Michael Kalk⁷, James A Menking⁷, Sarah Shackleton⁸, Heidi A Roop⁹, Xavier Faïn¹⁰, Christina M Harth⁵, Isaac Vimont^11,12, Casey Armanetti¹³, Christo Buizert⁷, Jeffrey P Severinghaus⁸ and Ray F Weiss¹⁴, (1)University of Rochester, Department of Earth and Environmental Sciences, Rochester, NY, United States, (2)Australian Nuclear Science and Technology Organisation (ANSTO), Kirrawee DC, Australia, (3)ANSTO, Kirrawee Dc, Australia, (4)Antarctic Research Centre, Wellington, New Zealand, (5)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (6)University of Bern, Oeschger Centre for Climate Change Research, Bern, Switzerland, (7)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (8)Scripps Institution of Oceanography, La Jolla, CA, United States, (9)University of Washington, Climate Impacts Group, Seattle, United States, (10)Univ. Grenoble Alpes / CNRS, Laboratoire de Glaciologie et Géophysique de l’Environnement (LGGE), Grenoble, France, (11)National Research Council, NOAA GMD, Boulder, CO, United States, (12)Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO, United States, (13)Smith College, Northampton, United States, (14)Univ California San Diego, La Jolla, CA, United States