Kerim Hestnes Nisancioglu^1,2, Eystein Jansen³, Trond Dokken⁴, Jens H Christensen^4,5, Bo Vinther⁵ and ERC ice2ice team members, (1)Department of Earth Science, University of Bergen and the Bjerknes Centre for Climate Research, Bergen, Norway, (2)University of Oslo, Centre for Early Earth Evolution and Dynamics, Oslo, Norway, (3)Department of Earth Science, University of Bergen and the Bjerknes Centre for Climate Research, Bergen, Norway, Bergen, Norway, (4)NORCE Norwegian Research Centre AS, Bjerknes Centre for Climate Research, Bergen, Norway, (5)Niels Bohr Institute, København Ø, Denmark