Abrupt early Holocene changes in Antarctic ice dynamics inferred from Skytrain ice core chemical records

Mackenzie M Grieman1,2, Christoph Nehrbass-Ahles2, Rachael Rhodes2, Helene Hoffmann2, Elizabeth Ruth Thomas3, Robert Mulvaney3, Isobel Rowell2, Jack Humby3, Xin Yang3, Gillian McGinnis1, Sophia Barbour-Weiss1 and Eric W Wolff2, (1)Reed College, Portland, United States, (2)University of Cambridge, Cambridge, United Kingdom, (3)NERC British Antarctic Survey, Cambridge, United Kingdom