Abrupt Late Holocene Shift in Atmospheric Circulation Recorded by Mineral Dust in the Siple Dome Ice Core, Antarctica

Bess G Koffman1,2, Steven L Goldstein3, Michael R Kaplan3, Gisela Winckler4, Aloys J-M Bory5,6 and Pierre Biscaye7, (1)Lamont -Doherty Earth Observatory, Palisades, United States, (2)Dartmouth College, Earth Sciences, Hanover, NH, United States, (3)Lamont-Doherty Earth Observatory, Palisades, United States, (4)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (5)Université de Lille, UMR 8187 CNRS-Lille-ULCO, Villeneuve d'Ascq, France, (6)University of Lille, UMR 8187 CNRS-Lille-ULCO, Villeneuve d'Ascq, France, (7)Lamont -Doherty Earth Observatory, Palisades, NY, United States