Sarah Eggleston, Past Global Changes, International Project Office, Bern, Switzerland, Nerilie J. Abram, Australian National University, Research School of Earth Sciences, Canberra, Australia, Oliver Bothe, Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research, Geesthacht, Germany, Bronwen L Konecky, Washington University in St Louis, Earth and Planetary Sciences, St. Louis, MO, United States, Hans W Linderholm, University of Gothenburg, Earth Sciences, Gothenburg, Sweden, Belen Martrat, Institute of Environmental Assessment and Water Research (IDAEA), Department of Environmental Chemistry, Barcelona, Spain, Helen V Mcgregor, University of Wollongong, Earth, Atmospheric and Life Sciences, Wollongong, Australia, Raphael Neukom, University of Bern, Oeschger Centre for Climate Change Research & Institute of Geography, Bern, Switzerland, Steven J Phipps, University of Tasmania, Hobart, TAS, Australia and Scott St George, Univ of MN-Dept of Geography, Minneapolis, MN, United States