Giulia Giorgetti

Terra Nova Bay (Ross Sea, Antarctica) is characterized by a series of ice tongues flowing towards the sea and provides an ideal setting for understanding the complex interaction between sea-level changes and ice-sheet dynamics. The stratigraphic study of the Late Pleistocene/Holocene sedimentary record, based on sediment and interface cores, will lead to identify glacial advance and retreat stages at a sub-millennial scale through the analysis of suitable indicators. Micropaleontological analyses based on the occurrence of benthic foraminifera, as well as geochemical and mineralogical analyses and magnetic susceptibility will constitute the base for the identification of stratigraphical facies. The new dataset provided by this PhD research will not only integrate the general knowledge of the area, contributing to increase our understanding of ice-stream advance and retreat dynamics at a local scale, but will also add some valuable detail to the relative sea-level reconstructions along the study area.


Project title:
Reconstruction of Late Pleistocene East Antarctic ice sheet behavior through stratigraphic analysis of marine sediment cores from Ross Sea,  Antarctica.
Professor C. Baroni (UniPi)
Dr. L. Gasperini (CNR-ISMAR BO)

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