(Table S1) Chronostratigraphic constrains for sediment core AND1-1B ...

• Main Authors: Naish, Tim R, Powell, Ross, Levy, Richard H, Wilson, Gary S, Scherer, Reed P, Talarico, Franco M, Krissek, Lawrence A, Niessen, Frank, Pompilio, Massimo, Wilson, Terry, Carter, Lionel, DeConto, Robert M, Huybers, Peter, McKay, Robert M, Pollard, David, Ross, J, Winter, Diane M, Barrett, Peter J, Browne, G, Cody, Rosemary, Cowan, Ellen A, Crampton, James, Dunbar, Gavin B, Dunbar, Nelia W, Florindo, Fabio, Gebhardt, Andrea Catalina, Graham, I J, Hannah, Mike J, Hansaraj, D, Harwood, David M, Helling, D, Henrys, Stuart A, Hinnov, Linda A, Kuhn, Gerhard, Kyle, Philip R, Läufer, Andreas, Maffioli, P, Magens, Diana, Mandernack, Kevin W, McIntosh, W C, Millan, C, Morin, Roger H, Ohneiser, Christian, Paulsen, Timothy S, Persico, Davide, Raine, J Ian, Reed, J, Riesselman, Christina R, Sagnotti, Leonardo, Schmitt, Douglas R
• Format: Dataset
• Language: English
• Published: PANGAEA 2009
• Subjects: D-ANDRILL; Datum level; DEPTH, sediment/rock; Depth, top/min; Depth, bottom/max; Method comment; Age model; Age model, optional; Age, error; Ageprofile Datum Description; Age, comment; Drilling/drill rig; MIS; McMurdo Station; Antarctic Geological Drilling ANDRILL; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Arctic; Antarctic; Southern Ocean; The Antarctic; West Antarctic Ice Sheet; Ross Ice Shelf; Antarc*; Global warming; Ice Sheet; Ice Shelf; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.769658; https://doi.pangaea.de/10.1594/PANGAEA.769658

Thirty years after oxygen isotope records from microfossils deposited in ocean sediments confirmed the hypothesis that variations in the Earth's orbital geometry control the ice ages (Hays et al., 1976, doi:10.1126/science.194.4270.1121), fundamental questions remain over the response of the Antarctic ice sheets to orbital cycles (Raymo and Huybers, 2008, doi:10.1038/nature06589). Furthermore, an understanding of the behaviour of the marine-based West Antarctic ice sheet (WAIS) during the 'warmer-than-present' early-Pliocene epoch (~5-3 Myr ago) is needed to better constrain the possible range of ice-sheet behaviour in the context of future global warming (Solomon et al., 2007). Here we present a marine glacial record from the upper 600 m of the AND-1B sediment core recovered from beneath the northwest part of the Ross ice shelf by the ANDRILL programme and demonstrate well-dated, ~40-kyr cyclic variations in ice-sheet extent linked to cycles in insolation influenced by changes in the Earth's axial tilt ... : Biostratigraphic event ages include the maximum and minimum age identified in the CONOP constrained Southern Ocean diatom biochronologic calibration of Cody et al. (2008, doi:10.1016/j.palaeo.2007.08.020), except FO of Thalassiosira complicata and FO Rhizosolenia sp. D which are new (unpublished) ages determined in recent model runs (Cody et al., submitted). ...