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Nørgaard-Pedersen, Niels; Spielhagen, Robert F; Erlenkeuser, Helmut; Grootes, Pieter Meiert; Heinemeier, Jan; Knies, Jochen (2003): Age determination and stable isotope composition of sediment cores from the Arctic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.735802, Supplement to: Nørgaard-Pedersen, N et al. (2003): Arctic Ocean during the Last Glacial Maximum: atlantic and polar domains of surface water mass distribution and ice cover. Paleoceanography, 18(3), 1063, https://doi.org/10.1029/2002PA000781

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Abstract:
On the basis of 52 sediment cores, analyzed and dated at high resolution, the paleoceanography and climate of the Last Glacial Maximum (LGM) were reconstructed in detail for the Fram Strait and the eastern and central Arctic Ocean. Sediment composition and stable isotope data suggest three distinct paleoenvironments: (1) a productive region in the eastern to central Fram Strait and along the northern Barents Sea continental margin characterized by Atlantic Water advection, frequent open water conditions, and occasional local meltwater supply and iceberg calving from the Barents Sea Ice Sheet; (2) an intermediate region in the southwestern Eurasian Basin (up to 84-85°N) and the western Fram Strait characterized by subsurface Atlantic Water advection and recirculation, a moderately high planktic productivity, and a perennial ice cover that breaks up only occasionally; and (3) a central Arctic region (north of 85°N in the Eurasian Basin) characterized by a low-salinity surface water layer and a thick ice cover that strongly reduces bioproduction and bulk sedimentation rates. Although the total inflow of Atlantic Water into the Arctic Ocean may have been reduced during the LGM, its impact on ice coverage and halocline structure in the Fram Strait and southwestern Eurasian Basin was strong.
Keyword(s):
GLAMAP
Project(s):
Coverage:
Median Latitude: 80.964202 * Median Longitude: 7.145651 * South-bound Latitude: 75.832800 * West-bound Longitude: -14.022000 * North-bound Latitude: 89.000000 * East-bound Longitude: 179.950000
Date/Time Start: 1984-08-16T00:00:00 * Date/Time End: 1997-09-03T02:22:00
Event(s):
FramI/4 * Latitude: 84.498333 * Longitude: -8.978333 * Elevation: -3820.0 m * Campaign: Fram-I * Basis: Ice drift station * Method/Device: Gravity corer (Kiel type) (SL)
FramI/7 * Latitude: 83.876667 * Longitude: -6.223333 * Elevation: -2990.0 m * Campaign: Fram-I * Basis: Ice drift station * Method/Device: Gravity corer (Kiel type) (SL)
NP90-12 * Latitude: 78.410000 * Longitude: 9.420000 * Method/Device: Gravity corer (GC)
Size:
12 datasets

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Datasets listed in this publication series

  1. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 1) Last Glacial Maximum intervals and stable isotope records of sediment cores in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.735789
  2. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment core OD-041-04. https://doi.org/10.1594/PANGAEA.735790
  3. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment core PS1533-3. https://doi.org/10.1594/PANGAEA.735791
  4. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS1535-5/8. https://doi.org/10.1594/PANGAEA.735796
  5. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS1894-7/9. https://doi.org/10.1594/PANGAEA.735794
  6. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS2837-5/6. https://doi.org/10.1594/PANGAEA.735799
  7. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS2876-1/2. https://doi.org/10.1594/PANGAEA.735800
  8. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS2887-1/2. https://doi.org/10.1594/PANGAEA.735801
  9. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): Stable isotope analysis on sediment core OD-041-04. https://doi.org/10.1594/PANGAEA.107127
  10. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): Stable isotope analysis on sediment core PS2837-5. https://doi.org/10.1594/PANGAEA.107125
  11. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): Stable isotope analysis on sediment core PS2876-2. https://doi.org/10.1594/PANGAEA.107126
  12. Nørgaard-Pedersen, N; Spielhagen, RF; Erlenkeuser, H et al. (2003): (Table 2) Age determination of sediment profile PS1906-1/2. https://doi.org/10.1594/PANGAEA.735795