Extending the Vostok ice-core record of palaeoclimate to the penultimate glacial period

J. Jouzel, N. I. Barkov, J. M. Barnola, M. Bender, J. Chappellaz, C. Genthon, V. M. Kotlyakov, V. Lipenkov, C. Lorius, J. R. Petit, D. Raynaud, G. Raisbeck, C. Ritz, T. Sowers, M. Stievenard, F. Yiou, P. Yiou

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Abstract

The ice-core record of local temperature, dust accumulation and air composition at Vostok station, Antarctica, now extends back to the penultimate glacial period (∼140-200 kyr ago) and the end of the preceding interglacial. This yields a new glaciological timescale for the whole record, which is consistent with ocean records. Temperatures at Vostok appear to have been more uniformly cold in the penultimate glacial period than in the most recent one. Concentrations of CO2 and CH4 correlate well with temperature throughout the record.

Original languageEnglish (US)
Pages (from-to)407-412
Number of pages6
JournalNature
Volume364
Issue number6436
DOIs
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • General

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    Jouzel, J., Barkov, N. I., Barnola, J. M., Bender, M., Chappellaz, J., Genthon, C., Kotlyakov, V. M., Lipenkov, V., Lorius, C., Petit, J. R., Raynaud, D., Raisbeck, G., Ritz, C., Sowers, T., Stievenard, M., Yiou, F., & Yiou, P. (1993). Extending the Vostok ice-core record of palaeoclimate to the penultimate glacial period. Nature, 364(6436), 407-412. https://doi.org/10.1038/364407a0