Eemian interglacial reconstructed from a Greenland folded ice core

홍성민,; Dahl-Jensen, Dorthe; Albert, M. R.; Aldahan, A.; R. Albert, M.; Azuma, N.; Balslev-Clausen, D.; Baumgartner, M.; C. Bourgeois, J.; Berggren, A.-M.; Bigler, M.; J. Brook, E.; Binder, T.; Blunier, T.; L. Buchardt, S.; Bourgeois, J. C.; Brook, E. J.; Buchardt, S. L.; B. Clausen, H.; Buizert, C.; Capron, E.; M. Davies, S.; Chappellaz, J.; Chung, J.; Clausen, H. B.; G. Fleet, L.; Cvijanovic, I.; Davies, S. M.; Ditlevsen, P.; L. G., Fleet; Eicher, O.; A. Fisher, D.; Fischer, H.; Fisher, D. A.; B. Hansen, S.; Gfeller, G.; D. Hur, S.; Gkinis, V.; Gogineni, S.; S. Hvidberg, C.; Goto-Azuma, K.; Grinsted, A.; J. Johnsen, S.; Gudlaugsdottir, H.; Guillevic, M.; Hansen, S. B.; R. Jones, T.; Hur, S. D.; Hansson, M.; Huybrechts, P.; Hirabayashi, M.; Hvidberg, C. S.; Hong, S.; Iizuka, Y.; B. Karlsson, N.; Jenk, T.; Johnsen, S. J.; Jones, T. R.; Jouzel, Jean; Karlsson, N. B.; Kawamura, K.; Keegan, K.; A. Kjær, H.; Kettner, E.; Kipfstuhl, S.; Kohler, P.; Koutnik, M.; Kjær, H. A.; Kuramoto, T.; Koehler, P.; Köhler, P.; Laepple, T.; L. Langen, P.; Landais, A.; Langen, P. L.; B. Larsen, L.; Leuenberger, D.; Larsen, L. B.; Leuenberger, M.; Leuschen, C.; Lipenkov, V.; Martinerie, P.; Li, J.; J. Maselli, O.; Maselli, O. J.; Masson-Delmotte, Valérie; R. Mcconnell, J.; Mcconnell, J. R.; Miller, H.; Mini, O.; Miyamoto, A.; Montagnat-Rentier, M.; Mulvaney, R.; Muscheler, R.; J. Orsi, A.; Orsi, A. J.; Paden, J.; Panton, C.; Pattyn, Frank; Petit, J.-R.; Pol, K.; O. Rasmussen, S.; Popp, T.; Possnert, G.; Prié, F.; Prokopiou, M.; Quiquet, A.; Rasmussen, S. O.; L. Rosen, J.; Raynaud, D.; Schu ¨pbach, S.; Rockmann, T.; Reutenauer, C.; Ren, J.; J. Sapart, C.; Ritz, C.; Röckmann, T.; Rosen, J. L.; van de Wal, R. S. W.; Rubino, M.; Rybak, O.; Samyn, D.; M. Z. Schmidt, A.; Sapart, Célia J.; Schilt, A.; P. Severinghaus, J.; Schüpbach, S.; Schwander, J.; Schmidt, A. M. Z.; Schuepbach, S.; Seierstad, I.; B. Simonsen, S.; Severinghaus, J. P.; Sheldon, S.; M. Solgaard, A.; Simonsen, S. B.; Sjolte, J.; Solgaard, A. M.; Sowers, T.; Sperlich, P.; C. Steen-Larsen, H.; Steen Larsen, H. C.; P. Steffensen, J.; Steffen, K.; Steffensen, J. P.; Steinhage, D.; Stocker, T. F.; F. Stocker, T.; Stowasser, C.; Sturevik, A. S.; S. Sturevik, A.; Sturges, W. T.; T. Sturges, W.; Sveinbjörnsdottir, A.; Svensson, A.; Tison, Jean-Louis; Uetake, J.; Vallelonga, P.; S. W. Van De Wal, R.; Van Der Wel, G.; Vaughn, B. H.; H. Vaughn, B.; Vinther, B.; Waddington, E.; Wegner, A.; W. C. White, J.; Weikusat, I.; White, J. W. C.; Wilhelms, F.; Winstrup, M.; W. Wolff, E.; Witrant, Emmanuel; Wolff, E. W.; Xiao, C.; Zheng, J.; ,; Neem, Community

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Nature Research, Nature, 7433(493), p. 489-494, 2013

DOI: 10.1038/nature11789

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Eemian interglacial reconstructed from a Greenland folded ice core

Journal article published in 2013 by 홍성민, Dorthe Dahl-Jensen, M. R. Albert, A. Aldahan, M. R. Albert, N. Azuma, D. Balslev-Clausen, M. Baumgartner, J. C. Bourgeois, A.-M. Berggren, M. Bigler

, E. J. Brook, T. Binder, T. Blunier

, S. L. Buchardt and other authors.

This paper is made freely available by the publisher.

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Abstract

Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The response of the Greenland ice sheet to the warmer-than-present climate of the Eemian has thus remained unclear. Here we present the new North Greenland Eemian Ice Drilling (‘NEEM’) ice core and show only a modest ice-sheet response to the strong warming in the early Eemian. We reconstructed the Eemian record from folded ice using globally homogeneous parameters known from dated Greenland and Antarctic ice-core records. On the basis of water stable isotopes, NEEM surface temperatures after the onset of the Eemian (126,000 years ago) peaked at 8 ± 4 degrees Celsius above the mean of the past millennium, followed by a gradual cooling that was probably driven by the decreasing summer insolation. Between 128,000 and 122,000 years ago, the thickness of the northwest Greenland ice sheet decreased by 400 ± 250 metres, reaching surface elevations 122,000 years ago of 130 ± 300 metres lower than the present. Extensive surface melt occurred at the NEEM site during the Eemian, a phenomenon witnessed when melt layers formed again at NEEM during the exceptional heat of July 2012. With additional warming, surface melt might become more common in the future.

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Eemian interglacial reconstructed from a Greenland folded ice core

Abstract