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Graf, Wolfgang; Reinwarth, Oskar; Oerter, Hans; Mayer, Christoph; Lambrecht, Astrid (1999): Physical and chemical analysis of firn cores from Ronne Ice Shelf, Antarctica [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.548620, Supplement to: Graf, W et al. (1999): Surface accumulation on Foundation Ice Stream, Antarctica. Annals of Glaciology, 29, 23-28, https://doi.org/10.3189/172756499781820987

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Published: 1999 (exact date unknown) • DOI registered: 2006-12-20

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Abstract:
This data on the distribution of the accumulation rate and 18O content of near-surface layers in the eastern part of the Ronne Ice Shelf, Antarctica, were derived from an analysis of 16 firn cores. The firn cores were drilled along the traverse route of the Filchner-V-Campaign in 1995. The traverse followed an ice flowline of the Foundation Ice Stream and reached the margin of the inland ice, an area which has not yet been investigated. On the ice shelf the accumulation rates decrease with distance from the coast. Ascending to the inland ice the accumulation rates again reach almost coastal values. This regional distribution is in agreement with the temperature gradient along the traverse. The 18O content of the near-surface layers is closely related to the 10 m firn temperature. They strongly decrease from the grounding line towards the inland ice. At the southernmost site at 1100 m a.s.l., the mean d18O value of the firn decreases to -40‰. Ice with that isotopic signature was found in cores from the central part of the Ronne Ice Shelf just above the marine ice layer, indicating that it originates from this area. All ice deposited as snow further south was melted beneath the ice shelf after passing the grounding-line area. The time series of accumulation rate and 18O content reveal no climatic trend during the last 30-50 years.
Project(s):
Glaciology @ AWI (AWI_Glac)
Coverage:
Median Latitude: -81.144166 * Median Longitude: -56.550885 * South-bound Latitude: -84.818330 * West-bound Longitude: -60.360000 * North-bound Latitude: -77.991670 * East-bound Longitude: -51.533330
Date/Time Start: 1995-02-03T00:00:00 * Date/Time End: 1995-02-22T00:00:00
Event(s):
FRI23C95_16 (GLB-16 GL16/245) * Latitude: -77.991670 * Longitude: -51.533330 * Date/Time: 1995-02-22T00:00:00 * Elevation: 65.0 m * Recovery: 12 m * Location: Filchner Ronne Ice Shelf * Campaign: FRISP 1992 (Filchner-Ronne-Ice-Shelf-Project) * Basis: Sampling/drilling ice * Method/Device: Firn auger (FIRN) * Comment: sampling during ANT-XII/3
FRI24C95_15 (GLB-15 GL15/246) * Latitude: -78.413330 * Longitude: -52.473330 * Date/Time: 1995-02-22T00:00:00 * Elevation: 68.0 m * Recovery: 12.3 m * Location: Filchner Ronne Ice Shelf * Campaign: FRISP 1992 (Filchner-Ronne-Ice-Shelf-Project) * Basis: Sampling/drilling ice * Method/Device: Firn auger (FIRN) * Comment: sampling during ANT-XII/3
FRI25C95_14 (GLB-14 GL14/345) * Latitude: -78.840000 * Longitude: -53.473330 * Date/Time: 1995-02-21T00:00:00 * Elevation: 71.0 m * Recovery: 12.3 m * Location: Filchner Ronne Ice Shelf * Campaign: FRISP 1992 (Filchner-Ronne-Ice-Shelf-Project) * Basis: Sampling/drilling ice * Method/Device: Firn auger (FIRN) * Comment: sampling during ANT-XII/3
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
32 datasets

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Datasets listed in this publication series

  1. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI23C95_16. https://doi.org/10.1594/PANGAEA.548504
  2. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI23C95_16. https://doi.org/10.1594/PANGAEA.548447
  3. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI24C95_15. https://doi.org/10.1594/PANGAEA.548505
  4. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI24C95_15. https://doi.org/10.1594/PANGAEA.548448
  5. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI25C95_14. https://doi.org/10.1594/PANGAEA.548506
  6. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI25C95_14. https://doi.org/10.1594/PANGAEA.548449
  7. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI26C95_13. https://doi.org/10.1594/PANGAEA.548507
  8. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI26C95_13. https://doi.org/10.1594/PANGAEA.548450
  9. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI27C95_12. https://doi.org/10.1594/PANGAEA.548508
  10. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI27C95_12. https://doi.org/10.1594/PANGAEA.548451
  11. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI28C95_11. https://doi.org/10.1594/PANGAEA.548509
  12. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI28C95_11. https://doi.org/10.1594/PANGAEA.548452
  13. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI29C95_10. https://doi.org/10.1594/PANGAEA.548510
  14. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI29C95_10. https://doi.org/10.1594/PANGAEA.548453
  15. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Electrical conductivity measurements on firn core FRI29C95_10. https://doi.org/10.1594/PANGAEA.548440
  16. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI30C95_09. https://doi.org/10.1594/PANGAEA.548454
  17. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI31C95_08. https://doi.org/10.1594/PANGAEA.548455
  18. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, deuterium, tritium, and accumulation rates of firn core FRI32C95_07. https://doi.org/10.1594/PANGAEA.548511
  19. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, deuterium, and tritium of firn core FRI32C95_07. https://doi.org/10.1594/PANGAEA.548456
  20. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, and accumulation rates of firn core FRI33C95_06. https://doi.org/10.1594/PANGAEA.548512
  21. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density and δ¹⁸O of firn core FRI33C95_06. https://doi.org/10.1594/PANGAEA.548457
  22. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Electrical conductivity measurements on firn core FRI33C95_06. https://doi.org/10.1594/PANGAEA.548441
  23. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, deuterium, and accumulation rates of firn core FRI34C95_03. https://doi.org/10.1594/PANGAEA.548513
  24. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, and deuterium of firn core FRI34C95_03. https://doi.org/10.1594/PANGAEA.548458
  25. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Electrical conductivity measurements on firn core FRI34C95_03. https://doi.org/10.1594/PANGAEA.548442
  26. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, deuterium, tritium, and accumulation rates of firn core FRI35C95_01. https://doi.org/10.1594/PANGAEA.548514
  27. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, deuterium, and tritium of firn core FRI35C95_01. https://doi.org/10.1594/PANGAEA.548459
  28. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Electrical conductivity measurements on firn core FRI35C95_01. https://doi.org/10.1594/PANGAEA.548443
  29. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, and deuterium of firn core FRI36C95_02. https://doi.org/10.1594/PANGAEA.548460
  30. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, and deuterium of firn core FRI37C95_05. https://doi.org/10.1594/PANGAEA.548461
  31. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Annual means of density, δ¹⁸O, deuterium, tritium, and accumulation rates of firn core FRI38C95_04. https://doi.org/10.1594/PANGAEA.548515
  32. Graf, W; Reinwarth, O; Oerter, H et al. (1999): Density, δ¹⁸O, deuterium, and tritium of firn core FRI38C95_04. https://doi.org/10.1594/PANGAEA.548462