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Spielhagen, Robert F; Simstich, Johannes; Erlenkeuser, Helmut; Stanovoy, Vladimir V (2005): Stable isotope ratios measured on carbonate tests from the Kara Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.708249, Supplement to: Simstich, Johannes; Erlenkeuser, Helmut; Spielhagen, Robert F; Stanovoy, Vladimir V (2005): Modern and Holocene hydrographic characteristics of the shallow Kara Sea shelf (Siberia) as reflected by stable isotopes of bivalves and benthic foraminifera. Boreas, 34(3), 252-263, https://doi.org/10.1111/j.1502-3885.2005.tb01099.x

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Abstract:
River discharge of Ob and Yenisei to the Kara Sea is highly variable on seasonal and interannual time scales. River water dominates the shallow bottom water near the river mouths, making it warmer and less saline but seasonally and interannually more changeable than bottom water on the deeper shelf. This hydrographic pattern shows up in measurements and modelling, and in stable isotope records (delta18O, delta13C) along the growth axis of bivalve shells and in multiple analyses of single benthic foraminiferal shells. Average isotope ratios increase, but sample-internal variability decreases with water depth and distance from river mouths. However, isotope records of bivalves and foraminifera of a sediment core from a former submarine channel of Yenisei River reveal a different pattern. The retreat of the river mouth from this site due to early Holocene sea level rise led to increasing average isotope values up core, but not to the expected decrease of the in-sample isotope variability. Southward advection of cold saline water along the palaeo-river channel probably obscured the hydrographic variability during the early Holocene. Later, when sediment filled the channel, the hydrographic variability at the core location remained low, because the shallowing proceeded synchronously with the retreat of the river mouth.
Project(s):
Siberian River Run-Off (SIRRO)
Coverage:
Median Latitude: 74.769194 * Median Longitude: 80.101560 * South-bound Latitude: 72.049900 * West-bound Longitude: 72.662000 * North-bound Latitude: 77.927000 * East-bound Longitude: 89.332800
Date/Time Start: 1997-09-15T18:01:00 * Date/Time End: 2001-09-10T00:00:00
Event(s):
BP00-02/01 * Latitude: 75.401900 * Longitude: 74.003283 * Date/Time: 2000-09-04T05:53:00 * Elevation: -49.6 m * Location: Kara Sea * Campaign: BP00 * Basis: Akademik Boris Petrov * Method/Device: Giant box corer (GKG)
BP00-05/01 * Latitude: 75.837000 * Longitude: 81.005333 * Date/Time: 2000-09-06T04:20:00 * Elevation: -50.0 m * Location: Kara Sea * Campaign: BP00 * Basis: Akademik Boris Petrov * Method/Device: Giant box corer (GKG)
BP00-07/01 * Latitude: 74.657600 * Longitude: 81.141100 * Date/Time: 2000-09-07T06:22:00 * Elevation: -38.0 m * Location: Kara Sea * Campaign: BP00 * Basis: Akademik Boris Petrov * Method/Device: Giant box corer (GKG)
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. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of Elphidium bartletti of sediment core BP00-07/05. https://doi.org/10.1594/PANGAEA.124309
  2. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of Elphidium groenlandicum of sediment core BP00-07/05. https://doi.org/10.1594/PANGAEA.124313
  3. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of A. borealis of station BP00-29. https://doi.org/10.1594/PANGAEA.87870
  4. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of M. moesta of station BP00-29. https://doi.org/10.1594/PANGAEA.87544
  5. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of S. groenlandicus of station BP99-28 (Table 1). https://doi.org/10.1594/PANGAEA.87900
  6. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of S. groenlandicus of station BP99-28 (Table 2). https://doi.org/10.1594/PANGAEA.87901
  7. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of A. borealis of station BP99-38. https://doi.org/10.1594/PANGAEA.87871
  8. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of M. calcarea of station BP99-38 (Table 1). https://doi.org/10.1594/PANGAEA.87872
  9. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of M. calcarea of station BP99-38 (Table 2). https://doi.org/10.1594/PANGAEA.87874
  10. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of benthic foraminifera and ostracoda in surface sediments. https://doi.org/10.1594/PANGAEA.125849
  11. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of Portlandia arctica in core BP00-07/05, taken from 245 cm core depth. https://doi.org/10.1594/PANGAEA.315951
  12. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of Portlandia arctica in core BP00-07/05, taken from 625 cm core depth. https://doi.org/10.1594/PANGAEA.315952
  13. Spielhagen, RF; Simstich, J; Erlenkeuser, H et al. (2005): Stable isotopes of Portlandia arctica in core BP00-07/05, taken from the core top. https://doi.org/10.1594/PANGAEA.315950