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Vogt, Christoph; Knies, Jochen (2008): Clay mineralogy of sediment cores from the Arctic Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.695350, Supplement to: Vogt, C; Knies, J (2008): Sediment dynamics in the Eurasian Arctic Ocean during the last deglaciation - The clay mineral group smectite perspective. Marine Geology, 250(3-4), 211-222, https://doi.org/10.1016/j.margeo.2008.01.006

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Abstract:
This study focuses on sedimentological investigations of sediment cores recovered during the international Arctic'91, expeditions with the German research ice breaker RV “Polarstern” to the European sector of the Arctic Ocean. Here, we deduce the last glacial/interglacial changes in transport mechanism and sedimentation from the clay mineral group smectite. We choose the smectites as an example of how sediment mineralogy can be linked with particular source regions (the Kara and Laptev seas), distinct transport mechanism (sea ice and surface currents) and sedimentation processes. Smectite contents in Arctic sediments discussed for two time slices, including the Last Glacial Maximum (LGM), and the last deglaciation (Termination I), reveal the highest variability subsequent to the retreat of the Eurasian ice sheets. Our results show that smectite anomalies in the Eurasian Basin are associated with distinct meltwater pulses and occurred around 13.5-13.0 14C ka B.P. Compelling evidence is provided that these anomalies are deduced from sea-ice entrained sediments from the eastern Kara Sea that entered the Arctic Ocean after ice-sheet break-up and eventually flooding of the Kara Sea. We propose that smectite anomalies in sediments of the eastern Arctic Ocean can be utilized to identify deglacial events and to help decipher configurations of the Eurasian ice sheets. The identification of smectite maxima along the modern sea-ice edge in the Eurasian Basin further indicates biologically enhanced sedimentation from melting sea ice allowing the reconstruction of seasonally open water in the region. Hence, considering the poor preservation conditions of primary paleoceanographic proxies in the Arctic Ocean, the clay mineral contents, particularly the smectite group, may be one alternative tool for paleoclimatic reconstruction in the Eurasian Basin.
Project(s):
Paleoenvironmental Reconstructions from Marine Sediments @ AWI (AWI_Paleo)
Coverage:
Median Latitude: 87.003441 * Median Longitude: 78.392707 * South-bound Latitude: 81.755300 * West-bound Longitude: 0.000000 * North-bound Latitude: 90.000000 * East-bound Longitude: 159.167500
Date/Time Start: 1991-08-06T00:00:00 * Date/Time End: 1991-09-10T00:00:00
Event(s):
PS2157-3 (PS19/150) * Latitude: 81.755300 * Longitude: 29.915300 * Date/Time: 1991-08-06T00:00:00 * Elevation: -2874.0 m * Penetration: 0.35 m * Recovery: 0.35 m * Location: Svalbard * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
PS2158-1 (PS19/151) * Latitude: 82.776000 * Longitude: 29.925200 * Date/Time: 1991-08-07T00:00:00 * Elevation: -3800.0 m * Penetration: 0.34 m * Recovery: 0.39 m * Location: Nansen Basin * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: Giant box corer (GKG)
PS2159-3 (PS19/152) * Latitude: 83.960300 * Longitude: 30.369700 * Date/Time: 1991-08-09T00:00:00 * Elevation: -4055.0 m * Penetration: 0.34 m * Recovery: 0.34 m * Location: Nansen Basin * Campaign: ARK-VIII/3 (PS19 ARCTIC91) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
27 datasets

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Datasets listed in this publication series

  1. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2157-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695322
  2. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2158-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695323
  3. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2159-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695324
  4. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2160-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695325
  5. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2161-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695326
  6. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2162-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695327
  7. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2163-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695328
  8. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2165-5 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695329
  9. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2167-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695330
  10. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2170-2 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695331
  11. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2171-2 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695332
  12. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2172-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695333
  13. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2174-2 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695334
  14. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2175-4 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695335
  15. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2177-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695336
  16. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2178-4 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695337
  17. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2179-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695338
  18. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2180-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695339
  19. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2184-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695340
  20. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2185-4 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695341
  21. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2186-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695342
  22. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2187-5 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695343
  23. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2189-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695344
  24. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2190-5 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695345
  25. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2191-1 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695346
  26. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2192-2 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695347
  27. Vogt, C; Knies, J (2008): Clay mineralogy of sdiment core PS2193-3 in the Arctic Ocean. https://doi.org/10.1594/PANGAEA.695348