The grounding-zone wedge inventory on the Amundsen Sea Embayment shelf, West Antarctica: formation processes and significance for establishing reliable post-LGM retreat chronologies

Johann P P Klages1, Gerhard Kuhn2, Claus-Dieter Hillenbrand3, James Smith3, Alastair GC Graham4, Karsten Gohl5 and Lukas Wacker6, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Marine Geosciences, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research (AWI), Bremerhaven, Germany, (3)British Antarctic Survey, Cambridge, United Kingdom, (4)University of South Florida St. Petersburg, St Petersburg, FL, United States, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Geosciences, Bremerhaven, Germany, (6)ETH Zurich, Dept. of Ion Beam Physics, Zurich, Switzerland