Articles | Volume 15, issue 3
https://doi.org/10.5194/cp-15-913-2019
© 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-15-913-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 May 2019
Research article |
| 22 May 2019
| 22 May 2019
Antarctic temperature and CO2: near-synchrony yet variable phasing during the last deglaciation
Jai Chowdhry Beeman
Université Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Léa Gest
Université Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Frédéric Parrenin
CORRESPONDING AUTHOR
Université Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Dominique Raynaud
Université Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Tyler J. Fudge
Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, USA
Christo Buizert
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA
Edward J. Brook
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA
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- Regional patterns and temporal evolution of ocean iron fertilization and CO2 drawdown during the last glacial termination F. Lambert et al. 10.1016/j.epsl.2020.116675
- The deglaciation of the Americas during the Last Glacial Termination D. Palacios et al. 10.1016/j.earscirev.2020.103113
- Stochastic assessment of temperature–CO<sub>2</sub> causal relationship in climate from the Phanerozoic through modern times D. Koutsoyiannis 10.3934/mbe.2024287
- Atmospheric Temperature and CO2: Hen-or-Egg Causality? D. Koutsoyiannis & Z. Kundzewicz 10.3390/sci2040077
- Southern Ocean glacial conditions and their influence on deglacial events E. Sikes et al. 10.1038/s43017-023-00436-7
- Late Quaternary climatic inferences from southern Patagonia (∼53°S): A holistic palaeoecological approach to tracking the behaviour of the southern westerly winds R. McCulloch et al. 10.1016/j.palaeo.2023.111822
- Can We Better Constrain the Timing of GNAIW/UNADW Variability in the Western Equatorial Atlantic and Its Relationship to Climate Change During the Last Deglaciation? T. Guilderson et al. 10.1029/2020PA004187
- Climate Variations in the Antarctic Region on a Long Time Scale and Current Climate Changes V. Dergachev 10.1134/S0016793223080066
- The Ocean’s Role in Climate R. Schmitt 10.5670/oceanog.2018.225
15 citations as recorded by crossref.
- Timing of formation of neoglacial landforms in the South Shetland Islands (Antarctic Peninsula): Regional and global implications D. Palacios et al. 10.1016/j.quascirev.2020.106248
- Quantifying Diagenesis, Contributing Factors, and Resulting Isotopic Bias in Benthic Foraminifera Using the Foraminiferal Preservation Index: Implications for Geochemical Proxy Records R. Poirier et al. 10.1029/2020PA004110
- Atmospheric Temperature and CO2: Hen-or-Egg Causality? D. Koutsoyiannis & Z. Kundzewicz 10.3390/sci2030072
- Atmospheric Temperature and CO2: Hen-Or-Egg Causality? D. Koutsoyiannis & Z. Kundzewicz 10.3390/sci2040083
- Geological Society of London Scientific Statement: what the geological record tells us about our present and future climate C. Lear et al. 10.1144/jgs2020-239
- On Hens, Eggs, Temperatures and CO2: Causal Links in Earth’s Atmosphere D. Koutsoyiannis et al. 10.3390/sci5030035
- Atmospheric Temperature and CO2: Hen-or-Egg Causality? D. Koutsoyiannis & Z. Kundzewicz 10.3390/sci2030081
- Regional patterns and temporal evolution of ocean iron fertilization and CO2 drawdown during the last glacial termination F. Lambert et al. 10.1016/j.epsl.2020.116675
- The deglaciation of the Americas during the Last Glacial Termination D. Palacios et al. 10.1016/j.earscirev.2020.103113
- Stochastic assessment of temperature–CO<sub>2</sub> causal relationship in climate from the Phanerozoic through modern times D. Koutsoyiannis 10.3934/mbe.2024287
- Atmospheric Temperature and CO2: Hen-or-Egg Causality? D. Koutsoyiannis & Z. Kundzewicz 10.3390/sci2040077
- Southern Ocean glacial conditions and their influence on deglacial events E. Sikes et al. 10.1038/s43017-023-00436-7
- Late Quaternary climatic inferences from southern Patagonia (∼53°S): A holistic palaeoecological approach to tracking the behaviour of the southern westerly winds R. McCulloch et al. 10.1016/j.palaeo.2023.111822
- Can We Better Constrain the Timing of GNAIW/UNADW Variability in the Western Equatorial Atlantic and Its Relationship to Climate Change During the Last Deglaciation? T. Guilderson et al. 10.1029/2020PA004187
- Climate Variations in the Antarctic Region on a Long Time Scale and Current Climate Changes V. Dergachev 10.1134/S0016793223080066
1 citations as recorded by crossref.
Discussed (final revised paper)
Discussed (preprint)
Latest update: 22 Nov 2024
Short summary
Atmospheric CO2 was likely an important amplifier of global-scale orbitally-driven warming during the last deglaciation. However, the mechanisms responsible for the rise in CO2, and the coherent rise in Antarctic isotopic temperature records, are under debate. Using a stochastic method, we detect variable lags between coherent changes in Antarctic temperature and CO2. This implies that the climate mechanisms linking the two records changed or experienced modulations during the deglaciation.
Atmospheric CO2 was likely an important amplifier of global-scale orbitally-driven warming...
