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| Titel |
Links between MIS 11 millennial to sub-millennial climate variability and long term trends as revealed by new high resolution EPICA Dome C deuterium data – A comparison with the Holocene |
| VerfasserIn |
K. Pol, M. Debret, V. Masson-Delmotte, E. Capron, O. Cattani, G. Dreyfus, S. Falourd, S. Johnsen, J. Jouzel, A. Landais, B. Minster, B. Stenni |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1814-9324
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| Digitales Dokument |
URL |
| Erschienen |
In: Climate of the Past ; 7, no. 2 ; Nr. 7, no. 2 (2011-04-29), S.437-450 |
| Datensatznummer |
250004509
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| Publikation (Nr.) |
 copernicus.org/cp-7-437-2011.pdf |
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| Zusammenfassung |
| We expand here the description of the Antarctic temperature variability
during the long interglacial period occurring ~400 thousand years
before the present (Marine Isotopic Stage, MIS 11). Our study is based on new
detailed deuterium measurements conducted on the EPICA Dome C ice core,
Antarctica, with a ~50 year temporal resolution. Despite an ice
diffusion of a length reaching ~8 cm at MIS 11 depth, the data allow us to
highlight a variability at multi-centennial scale for MIS 11, as it has
already been observed for the Holocene period (MIS 1). The differences between
MIS 1 and MIS 11 are analysed regarding the links between multi-millennial
trends and sub-millennial variability. The EPICA Dome C deuterium record
shows an increased variability and the onset of millennial to sub-millennial
periodicities at the beginning of the final cooling phase of MIS 11. Our
findings are robust with respect to sensitivity tests on the somewhat
uncertain MIS 11 duration. |
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