Articles | Volume 15, issue 2
https://doi.org/10.5194/cp-15-661-2019
© Author(s) 2019. 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-15-661-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Apr 2019
Research article |
| 05 Apr 2019
| 05 Apr 2019
Assessing the robustness of Antarctic temperature reconstructions over the past 2 millennia using pseudoproxy and data assimilation experiments
François Klein
CORRESPONDING AUTHOR
Georges Lemaître Centre for Earth and Climate Research (TECLIM), Earth and Life Institute
(ELI),
Université catholique de Louvain (UCL), Louvain-La-Neuve, Belgium
Nerilie J. Abram
Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia
ARC Centre of Excellence for Climate Extremes, Australian National University, Canberra, ACT 2601, Australia
Mark A. J. Curran
Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia
Antarctic Climate & Ecosystems Cooperative Research Centre, University of Tasmania, Hobart, Tasmania 7001, Australia
Hugues Goosse
Georges Lemaître Centre for Earth and Climate Research (TECLIM), Earth and Life Institute
(ELI),
Université catholique de Louvain (UCL), Louvain-La-Neuve, Belgium
Sentia Goursaud
Laboratoire des Sciences du Climat et de l'Environnement (IPSL/CEA-CNRS-UVSQ UMR 8212),
CEA Saclay, 91191 Gif-sur-Yvette CEDEX, France
Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE), Université Grenoble Alpes, 38041 Grenoble, France
Valérie Masson-Delmotte
Laboratoire des Sciences du Climat et de l'Environnement (IPSL/CEA-CNRS-UVSQ UMR 8212),
CEA Saclay, 91191 Gif-sur-Yvette CEDEX, France
Andrew Moy
Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia
Antarctic Climate & Ecosystems Cooperative Research Centre, University of Tasmania, Hobart, Tasmania 7001, Australia
Raphael Neukom
Oeschger Centre for Climate Change Research & Institute of Geography, University of Bern, 3012 Bern, Switzerland
Anaïs Orsi
Laboratoire des Sciences du Climat et de l'Environnement (IPSL/CEA-CNRS-UVSQ UMR 8212),
CEA Saclay, 91191 Gif-sur-Yvette CEDEX, France
Jesper Sjolte
Department of Geology – Quaternary Science, Lund University, Sölvegatan 12, 223 62, Lund, Sweden
Nathan Steiger
Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, USA
Barbara Stenni
Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Venice, Italy
Institute for the Dynamics of Environmental Processes, CNR, Venice, Italy
Martin Werner
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, 27570 Bremerhaven, Germany
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Cited
20 citations as recorded by crossref.
- Acquisition of Post-Depositional Effects on Stable Isotopes (δ18O and δD) of Snow and Firn at Dome A, East Antarctica T. Ma et al. 10.3390/w12061707
- Variability of Antarctic sea ice extent over the past 200 years J. Yang et al. 10.1016/j.scib.2021.07.028
- A pseudoproxy assessment of why climate field reconstruction methods perform the way they do in time and space S. Yun et al. 10.5194/cp-17-2583-2021
- The quandary of detecting the signature of climate change in Antarctica M. Casado et al. 10.1038/s41558-023-01791-5
- Spatial patterns of multi–centennial surface air temperature trends in Antarctica over 1–1000 CE: Insights from ice core records and modeling Z. Lyu et al. 10.1016/j.quascirev.2021.107205
- Stable isotopic composition in snowpack along the traverse from a coastal location to Dome A (East Antarctica): Results from observations and numerical modeling T. Ma et al. 10.1016/j.polar.2020.100510
- Widespread cooling over West Antarctica and adjacent seas over the past millennium Z. Lyu et al. 10.1016/j.gloplacha.2023.104237
- Seasonal reconstructions coupling ice core data and an isotope-enabled climate model – methodological implications of seasonality, climate modes and selection of proxy data J. Sjolte et al. 10.5194/cp-16-1737-2020
- Comparison of observed borehole temperatures in Antarctica with simulations using a forward model driven by climate model outputs covering the past millennium Z. Lyu et al. 10.5194/cp-16-1411-2020
- Control of the temperature signal in Antarctic proxies by snowfall dynamics A. Servettaz et al. 10.5194/tc-17-5373-2023
- Back to the Future: Using Long-Term Observational and Paleo-Proxy Reconstructions to Improve Model Projections of Antarctic Climate T. Bracegirdle et al. 10.3390/geosciences9060255
- Multi-decadal trends in Antarctic sea-ice extent driven by ENSO–SAM over the last 2,000 years X. Crosta et al. 10.1038/s41561-021-00697-1
- Testing for Dynamical Dependence: Application to the Surface Mass Balance Over Antarctica S. Vannitsem et al. 10.1029/2019GL084329
- Sixty Years of Widespread Warming in the Southern Middle and High Latitudes (1957–2016) M. Jones et al. 10.1175/JCLI-D-18-0565.1
- Drivers of Last Millennium Antarctic Climate Evolution in an Ensemble of Community Earth System Model Simulations O. Truax et al. 10.3390/geosciences12080299
- Reconciling the surface temperature–surface mass balance relationship in models and ice cores in Antarctica over the last 2 centuries M. Cavitte et al. 10.5194/tc-14-4083-2020
- Can we reconstruct the formation of large open-ocean polynyas in the Southern Ocean using ice core records? H. Goosse et al. 10.5194/cp-17-111-2021
- How useful is snow accumulation in reconstructing surface air temperature in Antarctica? A study combining ice core records and climate models Q. Dalaiden et al. 10.5194/tc-14-1187-2020
- Reconstructing atmospheric circulation and sea-ice extent in the West Antarctic over the past 200 years using data assimilation Q. Dalaiden et al. 10.1007/s00382-021-05879-6
- An Unprecedented Sea Ice Retreat in the Weddell Sea Driving an Overall Decrease of the Antarctic Sea‐Ice Extent Over the 20th Century Q. Dalaiden et al. 10.1029/2023GL104666
18 citations as recorded by crossref.
- Acquisition of Post-Depositional Effects on Stable Isotopes (δ18O and δD) of Snow and Firn at Dome A, East Antarctica T. Ma et al. 10.3390/w12061707
- Variability of Antarctic sea ice extent over the past 200 years J. Yang et al. 10.1016/j.scib.2021.07.028
- A pseudoproxy assessment of why climate field reconstruction methods perform the way they do in time and space S. Yun et al. 10.5194/cp-17-2583-2021
- The quandary of detecting the signature of climate change in Antarctica M. Casado et al. 10.1038/s41558-023-01791-5
- Spatial patterns of multi–centennial surface air temperature trends in Antarctica over 1–1000 CE: Insights from ice core records and modeling Z. Lyu et al. 10.1016/j.quascirev.2021.107205
- Stable isotopic composition in snowpack along the traverse from a coastal location to Dome A (East Antarctica): Results from observations and numerical modeling T. Ma et al. 10.1016/j.polar.2020.100510
- Widespread cooling over West Antarctica and adjacent seas over the past millennium Z. Lyu et al. 10.1016/j.gloplacha.2023.104237
- Seasonal reconstructions coupling ice core data and an isotope-enabled climate model – methodological implications of seasonality, climate modes and selection of proxy data J. Sjolte et al. 10.5194/cp-16-1737-2020
- Comparison of observed borehole temperatures in Antarctica with simulations using a forward model driven by climate model outputs covering the past millennium Z. Lyu et al. 10.5194/cp-16-1411-2020
- Control of the temperature signal in Antarctic proxies by snowfall dynamics A. Servettaz et al. 10.5194/tc-17-5373-2023
- Back to the Future: Using Long-Term Observational and Paleo-Proxy Reconstructions to Improve Model Projections of Antarctic Climate T. Bracegirdle et al. 10.3390/geosciences9060255
- Multi-decadal trends in Antarctic sea-ice extent driven by ENSO–SAM over the last 2,000 years X. Crosta et al. 10.1038/s41561-021-00697-1
- Testing for Dynamical Dependence: Application to the Surface Mass Balance Over Antarctica S. Vannitsem et al. 10.1029/2019GL084329
- Sixty Years of Widespread Warming in the Southern Middle and High Latitudes (1957–2016) M. Jones et al. 10.1175/JCLI-D-18-0565.1
- Drivers of Last Millennium Antarctic Climate Evolution in an Ensemble of Community Earth System Model Simulations O. Truax et al. 10.3390/geosciences12080299
- Reconciling the surface temperature–surface mass balance relationship in models and ice cores in Antarctica over the last 2 centuries M. Cavitte et al. 10.5194/tc-14-4083-2020
- Can we reconstruct the formation of large open-ocean polynyas in the Southern Ocean using ice core records? H. Goosse et al. 10.5194/cp-17-111-2021
- How useful is snow accumulation in reconstructing surface air temperature in Antarctica? A study combining ice core records and climate models Q. Dalaiden et al. 10.5194/tc-14-1187-2020
2 citations as recorded by crossref.
- Reconstructing atmospheric circulation and sea-ice extent in the West Antarctic over the past 200 years using data assimilation Q. Dalaiden et al. 10.1007/s00382-021-05879-6
- An Unprecedented Sea Ice Retreat in the Weddell Sea Driving an Overall Decrease of the Antarctic Sea‐Ice Extent Over the 20th Century Q. Dalaiden et al. 10.1029/2023GL104666
Latest update: 18 Apr 2024
Short summary
Antarctic temperature changes over the past millennia have been reconstructed from isotope records in ice cores in several studies. However, the link between both variables is complex. Here, we investigate the extent to which this affects the robustness of temperature reconstructions using pseudoproxy and data assimilation experiments. We show that the reconstruction skill is limited, especially at the regional scale, due to a weak and nonstationary covariance between δ18O and temperature.
Antarctic temperature changes over the past millennia have been reconstructed from isotope...
