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Trauth, M H; Sarnthein, Michael; Arnold, Maurice (1997): Age determination of sediment cores from the Northeast Atlantic [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.730489, Supplement to: Trauth, MH et al. (1997): Bioturbational mixing depth and carbon flux at the seafloor. Paleoceanography, 12(3), 517-526, https://doi.org/10.1029/97PA00722

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Abstract:
Radiocarbon dating series, bulk sediment, and organic carbon flux from various Atlantic deep-sea regions reveal that the thickness of the bioturbated zone increases by 2 cm if food supply increases by 1 gC/m**2/yr (r = 0.8). Bulk sediment accumulation rates do not influence the depth of bioturbational mixing under normal pelagic sedimentary conditions. We believe that this relationship between nutrient supply and benthic mixing can be used for a quantitative and time-variable unmixing procedure to improve high-resolution stratigraphic correlations and paleoclimatic interpretations of deep-sea records.
Project(s):
Quaternary Environment of the Eurasian North (QUEEN)
Funding:
Fourth Framework Programme (FP4), grant/award no. MAS3980185: Quaternary Environment of the Eurasian North
Coverage:
Median Latitude: 65.531667 * Median Longitude: -0.000556 * South-bound Latitude: 52.448333 * West-bound Longitude: -16.656667 * North-bound Latitude: 72.111667 * East-bound Longitude: 9.266667
Date/Time Start: 1988-07-21T00:00:00 * Date/Time End: 1990-08-11T00:00:00
Event(s):
GIK17045-2 * Latitude: 52.448333 * Longitude: -16.656667 * Date/Time: 1989-10-07T00:00:00 * Elevation: -3653.0 m * Penetration: 0.35 m * Location: Biscaya * Campaign: M11/1 * Basis: Meteor (1986) * Method/Device: Giant box corer (GKG)
GIK17730-2 * Latitude: 72.111667 * Longitude: 7.388333 * Date/Time: 1990-08-11T00:00:00 * Elevation: -2707.0 m * Recovery: 0.45 m * Location: Norwegian Sea * Campaign: M13/2 * Basis: Meteor (1986) * Method/Device: Giant box corer (GKG)
GIK23259-3 * Latitude: 72.035000 * Longitude: 9.266667 * Date/Time: 1988-07-21T00:00:00 * Elevation: -2511.0 m * Recovery: 0.44 m * Location: Arctic Ocean * Campaign: M7/2 * Basis: Meteor (1986) * Method/Device: Giant box corer (GKG)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Trauth, MH; Sarnthein, M; Arnold, M (1997): (Table 2) Age determination of sediment core GIK17045-2. https://doi.org/10.1594/PANGAEA.407216
  2. Trauth, MH; Sarnthein, M; Arnold, M (1997): (Table 2) Age determination of sediment core GIK17730-2. https://doi.org/10.1594/PANGAEA.407217
  3. Trauth, MH; Sarnthein, M; Arnold, M (1997): (Table 2) Age determination of sediment core GIK23259-3. https://doi.org/10.1594/PANGAEA.407218