Articles | Volume 14, issue 7
https://doi.org/10.5194/cp-14-991-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-14-991-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Jul 2018
Research article |
| 10 Jul 2018
| 10 Jul 2018
Paleoceanography and ice sheet variability offshore Wilkes Land, Antarctica – Part 1: Insights from late Oligocene astronomically paced contourite sedimentation
Ariadna Salabarnada
CORRESPONDING AUTHOR
Instituto Andaluz de Ciencias de la Tierra, CSIC-Univ. de Granada, Armilla, 18100, Spain
Invited contribution by Ariadna Salabarnada, recipient of the EGU Climate: Past, Present & Future Outstanding Student Poster and PICO Award 2016.
Carlota Escutia
Instituto Andaluz de Ciencias de la Tierra, CSIC-Univ. de Granada, Armilla, 18100, Spain
Ursula Röhl
MARUM – Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse 8, 28359 Bremen, Germany
C. Hans Nelson
Instituto Andaluz de Ciencias de la Tierra, CSIC-Univ. de Granada, Armilla, 18100, Spain
Robert McKay
Antarctic Research Centre, Victoria University of Wellington, Wellington, 6140, New Zealand
Francisco J. Jiménez-Espejo
Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology, Yokosuka, Kanagawa, 237-0061, Japan
Peter K. Bijl
Department of Earth Sciences, Marine Palynology and Palaeoceanography, Faculty of Geosciences, Laboratory of Palaeobotany and Palynology, Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Julian D. Hartman
Department of Earth Sciences, Marine Palynology and Palaeoceanography, Faculty of Geosciences, Laboratory of Palaeobotany and Palynology, Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Stephanie L. Strother
Department of Geography and Environmental Sciences, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
Ulrich Salzmann
Department of Geography and Environmental Sciences, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, NE1 8ST, UK
Dimitris Evangelinos
Instituto Andaluz de Ciencias de la Tierra, CSIC-Univ. de Granada, Armilla, 18100, Spain
Adrián López-Quirós
Instituto Andaluz de Ciencias de la Tierra, CSIC-Univ. de Granada, Armilla, 18100, Spain
José Abel Flores
Department of Geology, University of Salamanca, Salamanca, 37008, Spain
Francesca Sangiorgi
Department of Earth Sciences, Marine Palynology and Palaeoceanography, Faculty of Geosciences, Laboratory of Palaeobotany and Palynology, Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Minoru Ikehara
Center for Advanced Marine Core research, Kochi University, Nankoku, Kochi, 783-8502, Japan
Henk Brinkhuis
Department of Earth Sciences, Marine Palynology and Palaeoceanography, Faculty of Geosciences, Laboratory of Palaeobotany and Palynology, Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
NIOZ, Royal Netherlands Institute for Sea Research, and Utrecht University, Landsdiep 4, 1797SZ 't Horntje, Texel, the Netherlands
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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.
Here we reconstruct ice sheet and paleoceanographic configurations in the East Antarctic Wilkes...
