Articles | Volume 14, issue 7
Clim. Past, 14, 991–1014, 2018
https://doi.org/10.5194/cp-14-991-2018
Clim. Past, 14, 991–1014, 2018
https://doi.org/10.5194/cp-14-991-2018

Research article 10 Jul 2018

Research article | 10 Jul 2018

Paleoceanography and ice sheet variability offshore Wilkes Land, Antarctica – Part 1: Insights from late Oligocene astronomically paced contourite sedimentation

Ariadna Salabarnada et al.

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Short summary
Here we reconstruct ice sheet and paleoceanographic configurations in the East Antarctic Wilkes Land margin based on a multi-proxy study conducted in late Oligocene (26–25 Ma) sediments from IODP Site U1356. The new obliquity-forced glacial–interglacial sedimentary model shows that, under the high CO2 values of the late Oligocene, ice sheets had mostly retreated to their terrestrial margins and the ocean was very dynamic with shifting positions of the polar fronts and associated water masses.