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Stein, Ruediger; Fahl, Kirsten (2000): Accumulation of organic carbon in the Laptev Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.711774, Supplement to: Stein, R; Fahl, K (2000): Holocene accumulation of organic carbon at the Laptev Sea continental margin (Arctic Ocean): sources, pathways, and sinks. Geo-Marine Letters, 20(1), 27-36, https://doi.org/10.1007/s003670000028

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Published: 2000 (exact date unknown) • DOI registered: 2009-02-23

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Abstract:
Composition and accumulation rates of organic carbon in Holocene sediments provided data to calculate an organic carbon budget for the Laptev Sea continental margin. Mean Holocene accumulation rates in the inner Laptev Sea vary between 0.14 and 2.7 g C cm**2/ky; maximum values occur close to the Lena River delta. Seawards, the mean accumulation rates decrease from 0.43 to 0.02 g C cm**2/ky. The organic matter is predominantly of terrigenous origin. About 0.9*10**6 t/year of organic carbon are buried in the Laptev Sea, and 0.25*10**6 t/year on the continental slope. Between about 8.5 and 9 ka, major changes in supply of terrigenous and marine organic carbon occur, related to changes in coastal erosion, Siberian river discharge, and/or Atlantic water inflow along the Eurasian continental margin.
Project(s):
Paleoenvironmental Reconstructions from Marine Sediments @ AWI (AWI_Paleo)
Quaternary Environment of the Eurasian North (QUEEN)
Siberian River Run-Off (SIRRO)
Funding:
Fourth Framework Programme (FP4), grant/award no. MAS3980185: Quaternary Environment of the Eurasian North
Coverage:
Median Latitude: 80.242825 * Median Longitude: 97.432150 * South-bound Latitude: 71.616700 * West-bound Longitude: -2.556800 * North-bound Latitude: 87.589800 * East-bound Longitude: 150.483300
Date/Time Start: 1991-07-18T21:03:00 * Date/Time End: 1995-09-08T00:00:00
Event(s):
C-4 * Latitude: 73.166667 * Longitude: 131.000000 * Elevation: -26.0 m * Location: Laptev Sea * Method/Device: Box corer (BC)
C-7 * Latitude: 74.883333 * Longitude: 129.983333 * Elevation: -37.0 m * Location: Laptev Sea * Method/Device: Box corer (BC)
C-8 * Latitude: 75.400000 * Longitude: 130.050000 * Elevation: -48.0 m * Location: Laptev Sea * Method/Device: Box corer (BC)
Comment:
For age determination of sediment core PS2725-5 see Fahl and Stein (1999) data set: doi:10.1594/PANGAEA.85168, for susceptibility of PS2476-4 see Nuernberg et al., (1995) dataset: doi:10.1594/PANGAEA.50903. Further relevant data see Bauch et al. (1999) datasets: doi:10.1594/PANGAEA.711773
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
17 datasets

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Datasets listed in this publication series

  1. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2138-1. https://doi.org/10.1594/PANGAEA.358534
  2. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2445-4. https://doi.org/10.1594/PANGAEA.358535
  3. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2446-4. https://doi.org/10.1594/PANGAEA.358536
  4. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2447-4. https://doi.org/10.1594/PANGAEA.358537
  5. Stein, R; Fahl, K (2000): (Fig. 3) Organic geochemistry of sediment core PS2476-4. https://doi.org/10.1594/PANGAEA.55898
  6. Stein, R; Fahl, K (2000): (Table 1) Age determinations on sediment core PS2485-2. https://doi.org/10.1594/PANGAEA.91169
  7. Stein, R; Fahl, K (2000): (Fig. 2) Physical properties of sediment core PS2725-5. https://doi.org/10.1594/PANGAEA.50579
  8. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2741-1. https://doi.org/10.1594/PANGAEA.358538
  9. Stein, R; Fahl, K (2000): (Table 1) Age determinations on sediment core PS2742-5. https://doi.org/10.1594/PANGAEA.358539
  10. Stein, R; Fahl, K (2000): (Fig. 3) Analysis of organic material in sediment core PS2742-5. https://doi.org/10.1594/PANGAEA.55899
  11. Stein, R; Fahl, K (2000): (Fig. 2) Physical properties of sediment core PS2742-5. https://doi.org/10.1594/PANGAEA.50589
  12. Stein, R; Fahl, K (2000): Analysis of organic material in sediment core PS2761-10. https://doi.org/10.1594/PANGAEA.55900
  13. Stein, R; Fahl, K (2000): Analysis of organic material in sediment core PS2763-7. https://doi.org/10.1594/PANGAEA.57439
  14. Stein, R; Fahl, K (2000): (Table 1) Age determinations on sediment core PS2778-2. https://doi.org/10.1594/PANGAEA.91170
  15. Stein, R; Fahl, K (2000): (Fig. 2) Physical properties of sediment core PS2778-2. https://doi.org/10.1594/PANGAEA.50914
  16. Stein, R; Fahl, K (2000): Age determinations on sediment core PS2782-1. https://doi.org/10.1594/PANGAEA.358540
  17. Stein, R; Fahl, K (2000): (Table 2) Compilation of carbon content and accumulation rates in surface sediments from the Laptev Sea. https://doi.org/10.1594/PANGAEA.57516