boats. These, as well as the previous sampling at nunataks, will be used for sediment provenance studies to improve our understanding from a parent rock of the Antarctic source area to detritus that is [...] t für Geowissenschaften und Rohstoffe (BGR) and the AWI, named Sub-Ekström Ice Shelf (Sub-EIS), studies the potential of the sedimentary archive below the Ekström Ice Shelf for reconstructing Antarctic [...] risons of specific biomarker lipids (highly branched isoprenoids) and diatom assemblages. These studies will allow to assess the role of “Warm Deep Water” in ice-shelf melting and the response of the SO