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Oerter, Hans; Graf, Wolfgang; Meyer, Hanno; Wilhelms, Frank (2004): First results from stable-istope measurements on ice cores from Dronning Maud Land [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.728145, Supplement to: Oerter, H et al. (2004): The EPICA ice core from Dronning Maud Land: first results from stable-istope measurements. Annals of Glaciology, 39, 307-312, https://doi.org/10.3189/172756404781814032

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Abstract:
The European Project for Ice Coring in Antarctica (EPICA) focuses on the drilling of two deep ice cores, the first at Dome C and the second at Kohnen station (75°00' S, 0°04' E) in Dronning Maud Land (DML). This paper deals with stable-isotope records from ice cores drilled in DML. In the first season, the deep EPICA DML core reached a depth of 450 m, recovering ice approximately 7000 years old. Generally, the d18O record indicates a stable Holocene climate and shows low variability. However, during the last 4000 years (based on a preliminary time-scale) the d18O values decrease continuously by about 0.6%, and the deuterium excess values increase by about 0.5%. The correlation between d18O and the deuterium excess d is investigated for a 50m long core section and the near-surface snow. High-pass filtered profiles are positively correlated, whereas the correlation between low-pass filtered profiles is negative. A post-depositional effect due to diffusion processes can be seen in a sub-annually resolved profile from snow-pit samples. Changes in the seasonality of the evolution of the snow cover and the consequences for stable-isotope content are demonstrated with data from ice core B31.
Project(s):
European Project for Ice Coring in Antarctica (EPICA)
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00077: European Project for Ice Coring in Antarctica
Fourth Framework Programme (FP4), grant/award no. ENV4980702: European Project for Ice Coring in Antarctica
German Research Foundation (DFG), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
Coverage:
Median Latitude: -75.196083 * Median Longitude: -1.095744 * South-bound Latitude: -75.581500 * West-bound Longitude: -3.430333 * North-bound Latitude: -75.002500 * East-bound Longitude: 0.081000
Date/Time Start: 1997-12-19T00:00:00 * Date/Time End: 2006-01-17T00:00:00
Event(s):
DML07C98_31 (B31) * Latitude: -75.581500 * Longitude: -3.430333 * Date/Time: 1997-12-19T00:00:00 * Elevation Start: 2669.0 m * Elevation End: 2680.0 m * Recovery: 115.1 m * Location: Dronning Maud Land, Antarctica * Campaign: EPICA_DML3 * Basis: Neumayer Station (WMO89002) * Method/Device: Ice drill (ICEDRILL) * Comment: DML07
DML25S02_03 (SS0203) * Latitude: -75.006000 * Longitude: 0.081000 * Date/Time: 2002-12-18T00:00:00 * Elevation Start: 2882.0 m * Elevation End: 0.0 m * Recovery: 2.01 m * Location: Dronning Maud Land, Antarctica * Campaign: EPICA_DML7 * Basis: Kohnen Station * Method/Device: Snow pit (SNOWPIT) * Comment: Position uncertain
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:
6 datasets

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Datasets listed in this publication series

  1. Oerter, H; Graf, W; Meyer, H et al. (2004): Composite record of delta 18O (10 yrs means) of ice cores B32 and EDML from Dronning Maud Land, Fig 2. https://doi.org/10.1594/PANGAEA.264634
  2. Oerter, H; Graf, W; Meyer, H et al. (2004): Annual means of density, accumulation rate and stable oxygen isotopes of firn core DML07C98_31 (B31), Fig 5. https://doi.org/10.1594/PANGAEA.264593
  3. Oerter, H; Graf, W; Meyer, H et al. (2004): Density and stable oxygen isotopes of firn core DML07C98_31 (B31), Fig 5. https://doi.org/10.1594/PANGAEA.264594
  4. Oerter, H; Graf, W; Meyer, H et al. (2004): Stable oxygen isotopes of snow pit DML25S02_03 (SS0203), Fig 7. https://doi.org/10.1594/PANGAEA.264585
  5. Oerter, H; Graf, W; Meyer, H et al. (2004): Delta 18O of ice core EDML from Dronning Maud Land, Fig 2. https://doi.org/10.1594/PANGAEA.264635
  6. Oerter, H; Graf, W; Meyer, H et al. (2004): Stable-istope measurements, 5 cm interval, from ice core EDML (DML28C01_00), Fig 3. https://doi.org/10.1594/PANGAEA.264580