One-to-one coupling of glacial climate variability in Greenland and Antarctica (original) (raw)

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Acknowledgements

This work is a contribution to the European Project for Ice Coring in Antarctica (EPICA), a joint European Science Foundation/European Commission scientific programme, funded by the EU (EPICA-MIS) and by national contributions from Belgium, Denmark, France, Germany, Italy, the Netherlands, Norway, Sweden, Switzerland and the UK. The main logistic support was provided by IPEV and PNRA (at Dome C) and AWI (at Dronning Maud Land).

Author information

Authors and Affiliations

  1. Department of Environmental Sciences, University Ca' Foscari of Venice,
    C. Barbante & V. Gaspari
  2. Institute for the Dynamics of Environmental Processes-CNR, Dorsoduro 2137, 30123, Venice, Italy
    C. Barbante & P. Gabrielli
  3. Laboratoire de Glaciologie et Géophysique de l'Environnement (LGGE), CNRS-UJF, BP96 38402, Saint-Martin-d'Hères cedex, France
    J.-M. Barnola, C. Boutron, J. Chappellaz, M. Debret, P. Gabrielli, L. Loulergue, F. Parrenin, J.-R. Petit & D. Raynaud
  4. Department of Chemistry, University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Florence, Italy
    S. Becagli, E. Castellano, M. Severi, R. Traversi & R. Udisti
  5. EAWAG, PO Box 611, 8600, Dübendorf, Switzerland
    J. Beer
  6. Climate and Environmental Physics, Physics Institute, University of Bern, Sidlerstrasse 5, 3012, Bern, Switzerland
    M. Bigler, T. Blunier, U. Federer, M. A. Hutterli, S. Johnsen, P. Kaufmann, F. Lambert, M. Leuenberger, D. Lüthi, J. Schwander, U. Siegenthaler, R. Spahni & T. F. Stocker
  7. Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, 2100, Copenhagen OE, Denmark
    M. Bigler, D. Dahl-Jensen, M.-L. Siggaard-Andersen & J. P. Steffensen
  8. Laboratoire des Sciences du Climat et de l'Environnement (LSCE/IPSL), CEA-CNRS-UVSQ, Gif sur Yvette, CE Saclay, 91191, France
    O. Cattani, S. Falourd, G. Hoffmann, J. Jouzel, A. Landais & V. Masson-Delmotte
  9. Environmental Sciences Department, University of Milano Bicocca, Piazza della Scienza 1, 20126, Milano, Italy
    B. Delmonte, V. Maggi & F. Marino
  10. Alfred-Wegener-Institute for Polar and Marine Research, Columbusstrasse, D-27568, Bremerhaven, Germany
    D. Dick, S. Faria, H. Fischer, J. Freitag, A. Frenzel, F. Fundel, R. Gersonde, I. Hamann, P. Huybrechts, S. Kipfstuhl, M. Kohno, Anja Lambrecht, Astrid Lambrecht, G. Lawer, H. Miller, H. Oerter, U. Ruth, O. Rybak, J. Schmitt, F. Valero-Delgado, A. Wegner, K. Weiler & F. Wilhelms
  11. Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, 04103, Leipzig, Germany
    S. Faria
  12. Alfred Wegener Institute for Polar and Marine Research, Research Unit Potsdam, Telegrafenberg A 43, 14473, Potsdam, Germany
    D. Fritzsche & H. Meyer
  13. GSF National Center for Environment and Health, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany
    W. Graf
  14. University College London, Gower Street, London, WC1E 6BT, UK
    D. Grigoriev
  15. Department of Physical Geography and Quaternary Geology, Stockholm University, 106 91, Stockholm, Sweden
    M. Hansson & T. Karlin
  16. British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
    M. A. Hutterli, G. Littot, R. Mulvaney, R. Röthlisberger & E. Wolff
  17. Departement Geografie, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussel, Belgium
    P. Huybrechts
  18. Norwegian Polar Institute, 9296, Tromsø, Norway
    E. Isaksson, M. Kaczmarska & J.-G. Winther
  19. ENEA, C. R. Casaccia, Via Anguillarese 301, 00060, Roma, Italy
    B. Narcisi
  20. Institute for Marine and Atmospheric Research, Utrecht University, PO Box 80005, 3508 TA, Utrecht, The Netherlands
    J. Oerlemans, M. R. van den Broeke & R. S. W. van de Wal
  21. CSNSM/IN2P3/CNRS, Bat. 108, 91405, Orsay, France
    G. Raisbeck
  22. Department of Geological, Environmental and Marine Sciences, University of Trieste, Via E. Weiss 2, 34127, Trieste, Italy
    B. Stenni
  23. Département des Sciences de la Terre, Université Libre de Bruxelles, CP160/03, 1050, Brussels, Belgium
    J.-L. Tison
  24. Institute for Environmental Physics, University of Heidelberg, INF229, 69120, Heidelberg, Germany
    D. Wagenbach

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Correspondence toH. Fischer.

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Supplementary information

Supplementary Notes

This file provides details on the new EDC3/EDML1 age scale, on the CH4 synchronization of EDML and NGRIP, on systematic effects in δ18O which have been corrected for at EDML as well as how temperatures and accumulation rates have been derived from δ18O at EDML. Includes supplementary figures S1 (map of Antarctica indicating drill sites), S2 (details on CH4 synchronization uncertainty) and S3 (correction of EDML δ18O record). (PDF 292 kb)

Supplementary Table 1

δ18O record from Dronning Maud Land in 0.5 m resolution. For the upper 125 m δ18O data in 1 m resolution from the shallow ice core DML05 (drilled 2 km away from the deep drilling site) has been added after splicing the two records unambiguously using pronounced volcanic horizons. The table lists the measured δ18O values over depth and the respective age according to the EDML1/EDC3 age scale together with δ18O values after correcting for the sea level effect and after sea level plus upstream correction. (XLS 685 kb)

Supplementary Table 2

EDML δ18O record in 100 yr resolution on the GICC05 age scale in the time window 10-51 kyr BP after CH4 synchronization as used in Figure 2. Listed are the measured δ18O data vs. GICC05 age, the sea level corrected δ18O data and the sea level plus upstream corrected δ18O values. (XLS 47 kb)

Supplementary Table 3

EDML CH4 data after matching to the Greenland CH4 composite. Listed are the measured CH4 concentrations vs. depth and the respective GICC05 age. (XLS 36 kb)

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EPICA Community Members. One-to-one coupling of glacial climate variability in Greenland and Antarctica.Nature 444, 195–198 (2006). https://doi.org/10.1038/nature05301

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