Articles | Volume 19, issue 4
https://doi.org/10.5194/cp-19-851-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/cp-19-851-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Apr 2023
Research article |
| 27 Apr 2023
| 27 Apr 2023
The ST22 chronology for the Skytrain Ice Rise ice core – Part 2: An age model to the last interglacial and disturbed deep stratigraphy
Robert Mulvaney
Ice Dynamics and Palaeoclimate, British Antarctic Survey, Cambridge, UK
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Mackenzie M. Grieman
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Reed College, Portland, Oregon, USA
Helene H. Hoffmann
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Jack D. Humby
Ice Dynamics and Palaeoclimate, British Antarctic Survey, Cambridge, UK
Christoph Nehrbass-Ahles
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Rachael H. Rhodes
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Isobel F. Rowell
Department of Earth Sciences, University of Cambridge, Cambridge, UK
Frédéric Parrenin
Université Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000
Grenoble, France
Loïc Schmidely
Climate and Environmental Physics, Physics Institute, and Oeschger Centre
for Climate Change Research, University of Bern, Bern, Switzerland
Hubertus Fischer
Climate and Environmental Physics, Physics Institute, and Oeschger Centre
for Climate Change Research, University of Bern, Bern, Switzerland
Thomas F. Stocker
Climate and Environmental Physics, Physics Institute, and Oeschger Centre
for Climate Change Research, University of Bern, Bern, Switzerland
Marcus Christl
Laboratory for Ion Beam Physics, ETH Zurich, 8093 Zurich, Switzerland
Raimund Muscheler
Department of Geology, Quaternary Sciences, Lund University,
Sölvegatan 12, 22362 Lund, Sweden
Amaelle Landais
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
Frédéric Prié
Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL,
CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France
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Cited
8 citations as recorded by crossref.
- Abrupt Holocene ice loss due to thinning and ungrounding in the Weddell Sea Embayment M. Grieman et al. 10.1038/s41561-024-01375-8
- Laser ablation inductively coupled plasma mass spectrometry measurements for high-resolution chemical ice core analyses with a first application to an ice core from Skytrain Ice Rise (Antarctica) H. Hoffmann et al. 10.5194/tc-18-4993-2024
- The Paleochrono-1.1 probabilistic model to derive a common age model for several paleoclimatic sites using absolute and relative dating constraints F. Parrenin et al. 10.5194/gmd-17-8735-2024
- The Ronne Ice Shelf survived the last interglacial E. Wolff et al. 10.1038/s41586-024-08394-w
- An age scale for new climate records from Sherman Island, West Antarctica I. Rowell et al. 10.5194/cp-19-1699-2023
- On the relationship between δO2∕N2 variability and ice sheet surface conditions in Antarctica R. Harris Stuart et al. 10.5194/tc-18-3741-2024
- Antarctic ice shelf kept its cool during the last interglacial period 10.1038/d41586-025-00190-4
- The ST22 chronology for the Skytrain Ice Rise ice core – Part 1: A stratigraphic chronology of the last 2000 years H. Hoffmann et al. 10.5194/cp-18-1831-2022
7 citations as recorded by crossref.
- Abrupt Holocene ice loss due to thinning and ungrounding in the Weddell Sea Embayment M. Grieman et al. 10.1038/s41561-024-01375-8
- Laser ablation inductively coupled plasma mass spectrometry measurements for high-resolution chemical ice core analyses with a first application to an ice core from Skytrain Ice Rise (Antarctica) H. Hoffmann et al. 10.5194/tc-18-4993-2024
- The Paleochrono-1.1 probabilistic model to derive a common age model for several paleoclimatic sites using absolute and relative dating constraints F. Parrenin et al. 10.5194/gmd-17-8735-2024
- The Ronne Ice Shelf survived the last interglacial E. Wolff et al. 10.1038/s41586-024-08394-w
- An age scale for new climate records from Sherman Island, West Antarctica I. Rowell et al. 10.5194/cp-19-1699-2023
- On the relationship between δO2∕N2 variability and ice sheet surface conditions in Antarctica R. Harris Stuart et al. 10.5194/tc-18-3741-2024
- Antarctic ice shelf kept its cool during the last interglacial period 10.1038/d41586-025-00190-4
Latest update: 01 Apr 2025
Short summary
We present an age scale for a new ice core drilled at Skytrain Ice Rise, an ice rise facing the Ronne Ice Shelf in Antarctica. Various measurements in the ice and air phases are used to match the ice core to other Antarctic cores that have already been dated, and a new age scale is constructed. The 651 m ice core includes ice that is confidently dated to 117 000–126 000 years ago, in the last interglacial. Older ice is found deeper down, but there are flow disturbances in the deeper ice.
We present an age scale for a new ice core drilled at Skytrain Ice Rise, an ice rise facing the...
