the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
29 Dec 2020
29 Dec 2020
A detailed radiostratigraphic data set for the central East Antarctic Plateau spanning the last half million years
- 1Institute for Geophysics, Jackson School of Geosciences, University of Texas at Austin, Austin, Texas, USA
- 2Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, Texas, USA
- 3British Antarctic Survey, Cambridge, United Kingdom
- 4Univ. Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
- 5Center for Remote Sensing of Ice Sheets (CReSIS), The University of Kansas, Lawrence, KS 66045, USA
- 6Department of Science, University of ‘Roma Tre’, Rome, Italy
- 7Australian Antarctic Division, Kingston, Tasmania 7050, Australia
- 8Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, Tasmania 7001, Australia
- 9Department of Geophysics, Stanford University, Stanford, CA, USA
- 10Department of Electrical Engineering, Stanford University, Stanford, CA, USA
- anow at: Georges Lemaître Centre for Earth and Climate Research (TECLIM), Earth and Life Institute (ELI), Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium
- bnow at: Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
- cnow at: Georgia Institute of Technology, Atlanta, Georgia, USA
- dnow at: CSIRO Oceans & Atmosphere, Hobart, Tasmania 7001, Australia
- 1Institute for Geophysics, Jackson School of Geosciences, University of Texas at Austin, Austin, Texas, USA
- 2Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, Texas, USA
- 3British Antarctic Survey, Cambridge, United Kingdom
- 4Univ. Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
- 5Center for Remote Sensing of Ice Sheets (CReSIS), The University of Kansas, Lawrence, KS 66045, USA
- 6Department of Science, University of ‘Roma Tre’, Rome, Italy
- 7Australian Antarctic Division, Kingston, Tasmania 7050, Australia
- 8Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Private Bag 80, Hobart, Tasmania 7001, Australia
- 9Department of Geophysics, Stanford University, Stanford, CA, USA
- 10Department of Electrical Engineering, Stanford University, Stanford, CA, USA
- anow at: Georges Lemaître Centre for Earth and Climate Research (TECLIM), Earth and Life Institute (ELI), Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium
- bnow at: Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
- cnow at: Georgia Institute of Technology, Atlanta, Georgia, USA
- dnow at: CSIRO Oceans & Atmosphere, Hobart, Tasmania 7001, Australia
Abstract. We present an ice-penetrating radar data set which consists of 26 internal reflecting horizons (IRHs) that cover the entire Dome C area of the East Antarctic plateau, the most extensive to date in the region. This data set uses radar surveys collected over the space of 10 years, starting with an airborne international collaboration in 2008 to explore the region, up to the detailed ground based surveys in support of the Beyond EPICA – Oldest Ice (BE-OI) European Consortium. Through direct correlation with the EPICA-DC ice core, we date 19 IRHs that span the past four glacial cycles, from the beginning of the Holocene to over 350 ka. We indirectly date and provide stratigraphic information for seven older IRHs using an 1-D ice flow inverse model, going back to an estimated 700 ka. Depth and age uncertainties are quantified for all IRHs and provided as part of the data set. The IRH data set presented in this study is available at the U.S. Antarctic Program Data Center (USAP-DC) (https://doi.org/10.15784/601411, Cavitte et al., 2020) and represents a contribution to the SCAR AntArchitecture program.
Marie G. P. Cavitte et al.
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- Supplement
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RC1: 'Editor review', Olaf Eisen, 01 Feb 2021
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RC2: 'Review of Cavitte et al. (2021) manuscript to ESSD', Julien Bodart, 23 Mar 2021
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RC3: 'Review of Cavitte et al. (2021) ESSDD', Michelle Koutnik, 07 Apr 2021
Marie G. P. Cavitte et al.
Data sets
Ice-penetrating radar internal stratigraphy over Dome C and the wider East Antarctic Plateau Cavitte, Marie G. P., Young, Duncan A., Mulvaney, Robert, Ritz, Catherine, Greenbaum, Jamin, Ng, Gregory, Kempf, Scott D., Quartini, Enrica, Muldoon, Gail R., Paden, John, Frezzotti, Massimo, Roberts, Jason, Tozer, Carly, Schroeder, Dustin, and Blankenship, Donald D. https://doi.org/10.15784/601411
Marie G. P. Cavitte et al.
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