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CO2-climate relationship as deduced from the Vostok ice core: a re-examination based on new measurements and on a re-evaluation of the air dating
Open accessAbstract
Interpretation of the past CO2 variations recorded in polar ice during the large climatic transitions requires an accurate determination of the airice age difference. For the Vostok core, the age differences resulting from different assumptions on the firn densification process are compared and a new procedure is proposed to date the air trapped in this core. The penultimate deglaciation is studied on the basis of this new air dating and new CO2 measurements. These measurements and results obtained on other ice cores indicate that at the beginning of the deglaciations, the CO2 increase is either in phase or lags by less than about 1000 years with respect to the Antarctic temperature, while it clearly lags the temperature at the onset of the last glaciation.
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Cited by
Holocene carbon-cycle dynamics based on CO2 trapped in ice at Taylor Dome, Antarctica
Indermühle, A., Stocker, T. F., Joos, F., Fischer, H., Smith, H. J., Wahlen, M., Deck, B., Mastroianni, D., Tschumi, J., Blunier, T., et al. (1999) · Nature · doi:10.1038/18158 · Cited by 760
Centennial-scale changes in the global carbon cycle during the last deglaciation
Marcott, S. A., Bauska, T. K., Buizert, C., Steig, E. J., Rosen, J. L., Cuffey, K. M., Fudge, T. J., Severinghaus, J. P., Ahn, J., Kalk, M. L., et al. (2014) · Nature · doi:10.1038/nature13799 · Cited by 580
Variations in atmospheric methane concentration during the Holocene epoch
Blunier, T., Chappellaz, J., Schwander, J., Stauffer, B., & Raynaud, D. (1995) · Nature · doi:10.1038/374046a0 · Cited by 381
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Metadata
- Authors
- Barnola, J.-M., Pimienta, P., Raynaud, D., & Korotkevich, Y. S.
- Venue
- Tellus B: Chemical and Physical Meteorology
- Publisher
- Stockholm University Press
- Published
- 1991-01-01
- Volume
- 43
- Issue
- 2
- Pages
- 83
- ISSN
- 0280-6509 (ISSN-L)
- 1600-0889
- OpenAlex
- W2060969057
- Cited by
- 253
- References
- 0
- FWCI
- 10.16
- Type
- journal article
- Language
- en
- Open access
- bronze
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- CoChat. (2026). Citation check: CO2-climate relationship as deduced from the Vostok ice core: a re-examination based on new measurements and on a re-evaluation of the air dating. https://app.cochat.ai/papers/10.3402/tellusb.v43i2.15249
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- Barnola, J.-M., Pimienta, P., Raynaud, D., & Korotkevich, Y. S. (1991). CO2-climate relationship as deduced from the Vostok ice core: a re-examination based on new measurements and on a re-evaluation of the air dating. Tellus B: Chemical and Physical Meteorology. https://doi.org/10.3402/tellusb.v43i2.15249
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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