Abstract
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Nature |
| Vol/bind | 493 |
| Udgave nummer | 7433 |
| Sider (fra-til) | 489-494 |
| Antal sider | 6 |
| ISSN | 0028-0836 |
| DOI | |
| Status | Udgivet - 24 jan. 2013 |
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Eemian interglacial reconstructed from a Greenland folded ice core. / Dahl-Jensen, Dorthe; Albert, M. R.; Aldahan, A.; Azuma, N.; Balslev-Clausen, David Morten; Baumgartner, M.; Berggren, A.-M.; Bigler, M.; Binder, Thomas; Blunier, Thomas; Bourgeois, J.C.; Brook, E.J.; Buchardt, Susanne Lilja; Buizert, Christo; Capron, E.; Chappellaz, J.; Chung, J.; Clausen, Henrik Brink; Cvijanovic, Ivana; Davies, S.M.; Ditlevsen, Peter; Eicher, O.; Fischer, H.; Fisher, D. A.; Fleet, L.G.; Gfeller, G.; Gkinis, Vasileios; Gogineni, S.; Goto-Azuma, K.; Grinsted, Aslak; Gudlaugsdottir, H.; Guillevic, Myriam; Hansen, S. B.; Hansson, M.; Hirabayashi, M.; Hong, S.; Hur, S.D.; Huybrechts, P.; Hvidberg, Christine Schøtt; Iizuka, Y.; Jenk, Theo Manuel; Johnsen, Sigfus Johann; Jones, T.R.; Jouzel, J.; Karlsson, Nanna Bjørnholt; Kawamura, K.; Keegan, K.; Kettner, Ernesto; Kipfstuhl, S.; Kjær, Helle Astrid; Koutnik, M.; Kuramoto, T.; Köhler, P.; Laepple, T.; Landais, A.; Langen, Peter Lang; Larsen, Lars Berg; Leuenberger, D.; Leuenberger, M.; Leuschen, C.; Li, J.; Lipenkov, V.; Martinerie, P.; Maselli, O. J.; Masson-Delmotte, V.; McConnell, J. R.; Miller, H.; Mini, O.; Miyamoto, A.; Montagnat-Rentier, M.; Mulvaney, R.; Muscheler, R.; Orsi, A.J.; Paden, J.; Panton, Christian; Pattyn, F.; Petit, J.-R.; Pol, K.; Popp, Trevor James; Possnert, G.; Prié, F.; Prokopiou, M.; Quiquet, A.; Rasmussen, Sune Olander; Raynaud, D.; Ren, J.; Reutenauer, Corentin; Ritz, C.; Röckmann, T.; Rosen, J.L.; Rubino, Mauro; Rybak, O.; Samyn, D.; Sapart, C.J.; Schilt, A.; Schmidt, Astrid Mariah Zelma; Schwander, J.; Schüpbach, S.; Seierstad, Inger Kathrine; Severinghaus, J. P.; Sheldon, S.; Simonsen, Sebastian Bjerregaard; Sjolte, Jesper; Solgaard, Anne Munck; Sowers, T.; Sperlich, Peter; Steen-Larsen, Hans Christian; Steffen, K.; Steffensen, Jørgen Peder; Steinhage, D.; Stocker, T.F.; Stowasser, Christopher; Sturevik, A.S.; Sturges, W.T.; Sveinbjörnsdottir, A.; Svensson, Anders; Tison, J.-L.; Uetake, J.; Vallelonga, Paul Travis; Van De Wal, R.S.W.; Van Der Wel, G.; Vaughn, B.H.; Vinther, Bo Møllesøe; Waddington, E.; Wegner, A.; Weikusat, I.; White, J. W. C.; Wilhelms, F.; Winstrup, Mai; Witrant, E.; Wolff, E.W.; Xiao, C.; Zheng, Jin.
I: Nature, Bind 493, Nr. 7433, 24.01.2013, s. 489-494.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review
}
TY - JOUR
T1 - Eemian interglacial reconstructed from a Greenland folded ice core
AU - Dahl-Jensen, Dorthe
AU - Albert, M. R.
AU - Aldahan, A.
AU - Azuma, N.
AU - Balslev-Clausen, David Morten
AU - Baumgartner, M.
AU - Berggren, A.-M.
AU - Bigler, M.
AU - Binder, Thomas
AU - Blunier, Thomas
AU - Bourgeois, J.C.
AU - Brook, E.J.
AU - Buchardt, Susanne Lilja
AU - Buizert, Christo
AU - Capron, E.
AU - Chappellaz, J.
AU - Chung, J.
AU - Clausen, Henrik Brink
AU - Cvijanovic, Ivana
AU - Davies, S.M.
AU - Ditlevsen, Peter
AU - Eicher, O.
AU - Fischer, H.
AU - Fisher, D. A.
AU - Fleet, L.G.
AU - Gfeller, G.
AU - Gkinis, Vasileios
AU - Gogineni, S.
AU - Goto-Azuma, K.
AU - Grinsted, Aslak
AU - Gudlaugsdottir, H.
AU - Guillevic, Myriam
AU - Hansen, S. B.
AU - Hansson, M.
AU - Hirabayashi, M.
AU - Hong, S.
AU - Hur, S.D.
AU - Huybrechts, P.
AU - Hvidberg, Christine Schøtt
AU - Iizuka, Y.
AU - Jenk, Theo Manuel
AU - Johnsen, Sigfus Johann
AU - Jones, T.R.
AU - Jouzel, J.
AU - Karlsson, Nanna Bjørnholt
AU - Kawamura, K.
AU - Keegan, K.
AU - Kettner, Ernesto
AU - Kipfstuhl, S.
AU - Kjær, Helle Astrid
AU - Koutnik, M.
AU - Kuramoto, T.
AU - Köhler, P.
AU - Laepple, T.
AU - Landais, A.
AU - Langen, Peter Lang
AU - Larsen, Lars Berg
AU - Leuenberger, D.
AU - Leuenberger, M.
AU - Leuschen, C.
AU - Li, J.
AU - Lipenkov, V.
AU - Martinerie, P.
AU - Maselli, O. J.
AU - Masson-Delmotte, V.
AU - McConnell, J. R.
AU - Miller, H.
AU - Mini, O.
AU - Miyamoto, A.
AU - Montagnat-Rentier, M.
AU - Mulvaney, R.
AU - Muscheler, R.
AU - Orsi, A.J.
AU - Paden, J.
AU - Panton, Christian
AU - Pattyn, F.
AU - Petit, J.-R.
AU - Pol, K.
AU - Popp, Trevor James
AU - Possnert, G.
AU - Prié, F.
AU - Prokopiou, M.
AU - Quiquet, A.
AU - Rasmussen, Sune Olander
AU - Raynaud, D.
AU - Ren, J.
AU - Reutenauer, Corentin
AU - Ritz, C.
AU - Röckmann, T.
AU - Rosen, J.L.
AU - Rubino, Mauro
AU - Rybak, O.
AU - Samyn, D.
AU - Sapart, C.J.
AU - Schilt, A.
AU - Schmidt, Astrid Mariah Zelma
AU - Schwander, J.
AU - Schüpbach, S.
AU - Seierstad, Inger Kathrine
AU - Severinghaus, J. P.
AU - Sheldon, S.
AU - Simonsen, Sebastian Bjerregaard
AU - Sjolte, Jesper
AU - Solgaard, Anne Munck
AU - Sowers, T.
AU - Sperlich, Peter
AU - Steen-Larsen, Hans Christian
AU - Steffen, K.
AU - Steffensen, Jørgen Peder
AU - Steinhage, D.
AU - Stocker, T.F.
AU - Stowasser, Christopher
AU - Sturevik, A.S.
AU - Sturges, W.T.
AU - Sveinbjörnsdottir, A.
AU - Svensson, Anders
AU - Tison, J.-L.
AU - Uetake, J.
AU - Vallelonga, Paul Travis
AU - Van De Wal, R.S.W.
AU - Van Der Wel, G.
AU - Vaughn, B.H.
AU - Vinther, Bo Møllesøe
AU - Waddington, E.
AU - Wegner, A.
AU - Weikusat, I.
AU - White, J. W. C.
AU - Wilhelms, F.
AU - Winstrup, Mai
AU - Witrant, E.
AU - Wolff, E.W.
AU - Xiao, C.
AU - Zheng, Jin
PY - 2013/1/24
Y1 - 2013/1/24
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=84872976669&partnerID=8YFLogxK
U2 - 10.1038/nature11789
DO - 10.1038/nature11789
M3 - Journal article
C2 - 23344358
AN - SCOPUS:84872976669
VL - 493
SP - 489
EP - 494
JO - Nature
JF - Nature
SN - 0028-0836
IS - 7433
ER -