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Masson-Delmotte, Valerie; Buiron, Daphné; Ekaykin, Alexey A; Frezzotti, Massimo; Gallée, Hubert; Jouzel, Jean; Krinner, Gerhard; Landais, Amaëlle; Motoyama, Hideaki; Oerter, Hans; Pol, Katy; Pollard, David; Ritz, Catherine; Schlosser, Elisabeth; Sime, Louise C; Sodemann, Harald; Stenni, Barbara; Uemura, Ryu; Vimeux, Françoise (2011): Water stable oxygen isotope records from six Antarctic ice core sites for the present and last interglacial periods [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.785228, Supplement to: Masson-Delmotte, V et al. (2011): A comparison of the present and last interglacial periods in six Antarctic ice cores. Climate of the Past, 7, 397-423, https://doi.org/10.5194/cp-7-397-2011

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Abstract:
We compare the present and last interglacial periods as recorded in Antarctic water stable isotope records now available at various temporal resolutions from six East Antarctic ice cores: Vostok, Taylor Dome, EPICA Dome C (EDC), EPICA Dronning Maud Land (EDML), Dome Fuji and the recent TALDICE ice core from Talos Dome. We first review the different modern site characteristics in terms of ice flow, meteorological conditions, precipitation intermittency and moisture origin, as depicted by meteorological data, atmospheric reanalyses and Lagrangian moisture source diagnostics. These different factors can indeed alter the relationships between temperature and water stable isotopes. Using five records with sufficient resolution on the EDC3 age scale, common features are quantified through principal component analyses. Consistent with instrumental records and atmospheric model results, the ice core data depict rather coherent and homogenous patterns in East Antarctica during the last two interglacials. Across the East Antarctic plateau, regional differences, with respect to the common East Antarctic signal, appear to have similar patterns during the current and last interglacials. We identify two abrupt shifts in isotopic records during the glacial inception at TALDICE and EDML, likely caused by regional sea ice expansion. These regional differences are discussed in terms of moisture origin and in terms of past changes in local elevation histories, which are compared to ice sheet model results. Our results suggest that elevation changes may contribute significantly to inter-site differences. These elevation changes may be underestimated by current ice sheet models
Coverage:
Median Latitude: -75.822179 * Median Longitude: 102.646422 * South-bound Latitude: -78.466670 * West-bound Longitude: 0.068400 * North-bound Latitude: -72.783330 * East-bound Longitude: 159.066670
Date/Time Start: 1982-01-01T00:00:00 * Date/Time End: 2008-12-31T00:00:00
Event(s):
Dome_Fuji (DF) * Latitude: -77.316670 * Longitude: 39.666670 * Elevation: 3810.0 m * Recovery: 2503 m * Location: Antarctica * Method/Device: Drilling/drill rig (DRILL)
EDC (EPICA Dome C) * Latitude: -75.100000 * Longitude: 123.350000 * Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00 * Elevation: 3233.0 m * Recovery: 3300 m * Location: Dome C, Antarctica * Campaign: Dome C * Method/Device: Ice drill (ICEDRILL) * Comment: Drill site is 56 km from the site of a previous Dome C core that provided records extending into the last glacial period, and 560 km from the site of the Vostok cores. The completion of the Dome C core was delayed when the first drilling became stuck at 788 m in 1999 (EDC96).
EDML (EPICA Dronning Maud Land, DML28C01_00) * Latitude: -75.002500 * Longitude: 0.068400 * Date/Time Start: 2001-01-10T00:00:00 * Date/Time End: 2006-01-17T00:00:00 * Elevation: 2891.7 m * Recovery: 2774.15 m * Campaign: EPICA-Campaigns * Basis: Kohnen Station * Method/Device: EPICA drill (EDRILL) * Comment: Elevation is given with reference to WGS84
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
13 datasets

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Datasets listed in this publication series

  1. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the Dome Fuji ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785213
  2. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the Dome Fuji ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785214
  3. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the EDC ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785215
  4. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the EDC ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785216
  5. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the EDML ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785217
  6. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the EDML ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785218
  7. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the TALDICE ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785220
  8. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the TALDICE ice core for the last interglacial period, bag samples. https://doi.org/10.1594/PANGAEA.785219
  9. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the TALDICE ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785221
  10. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the Taylor Dome ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785222
  11. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the Taylor Dome ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785223
  12. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the VOSTOK Hole 3 ice core for the last interglacial period. https://doi.org/10.1594/PANGAEA.785224
  13. Masson-Delmotte, V; Buiron, D; Ekaykin, AA et al. (2011): (Fig 4i) Water stable oxygen isotope record from the VOSTOK Hole 3 ice core for the present interglacial period. https://doi.org/10.1594/PANGAEA.785225