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Nürnberg, Dirk; Tiedemann, Ralf (2004): Sedimentology of the Okhotsk Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.742366, Supplement to: Nürnberg, D; Tiedemann, R (2004): Environmental change in the Sea of Okhotsk during the last 1.1 million years. Paleoceanography, 19(4), PA4011, https://doi.org/10.1029/2004PA001023

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Abstract:
On the basis of two sedimentary records from the central Sea of Okhotsk, we reconstruct the closely coupled glacial/interglacial changes in terrigenous flux, marine productivity, and sea ice coverage over the past 1.1 Myr. The correspondance of our sedimentary records to the China loess grain size record (China loess particle timescale, CHILOPARTS) suggests that environmental changes in both the Sea of Okhotsk area and in SE Asia were closely related via the Siberian atmospheric high-pressure cell. During full glacial times our records point to a strong Siberian High causing northerly wind directions, the extension of the sea ice cover, and a reduced Amur River discharge. Deglacial maxima of terrigenous flux were succeeded by or synchronous to high-productivity events. Marine productivity was strengthened during glacial terminations because of an effective nutrient utilization at times of enhanced water column stratification and high nutrient supply from fluvial runoff and sea ice thawing. During interglacials, SE monsoonal winds prevailed, analogous to today's summer situation of a pronounced Mongolian Heat Low and a strong Hawaiian High. Strong freshwater discharge induced by high precipitation rates in the Amur drainage area and a seasonally reduced and mobile sea ice cover favored marine productivity (although being considerably lower than during the terminations) and a lowered flux of ice-rafted detritus.
Project(s):
International Marine Global Change Study (IMAGES)
Kurile-Okhotsk Sea Marine Experiment (KOMEX)
Coverage:
Median Latitude: 52.324785 * Median Longitude: 150.705485 * South-bound Latitude: 51.714767 * West-bound Longitude: 149.959000 * North-bound Latitude: 53.951500 * East-bound Longitude: 150.985417
Date/Time Start: 1998-08-22T10:33:00 * Date/Time End: 2001-06-07T13:52:00
Event(s):
LV28-42-4 * Latitude: 51.714767 * Longitude: 150.985417 * Date/Time: 1998-08-22T10:33:00 * Elevation: -1041.0 m * Recovery: 10.84 m * Location: Sea of Okhotsk * Campaign: LV28 (KOMEX I) * Basis: Akademik M.A. Lavrentiev * Method/Device: Gravity corer (GC) * Comment: East/West Transect cont./1084 cm/
MD01-2415 (MD012415) * Latitude: 53.951500 * Longitude: 149.959000 * Date/Time: 2001-06-07T13:52:00 * Elevation: -822.0 m * Recovery: 46.23 m * Location: Sea of Ochotsk * Campaign: MD122 (IMAGES VII - WEPAMA) * Basis: Marion Dufresne (1995) * Method/Device: Giant piston corer (GPC)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
11 datasets

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Datasets listed in this publication series

  1. Nürnberg, D; Tiedemann, R (2004): (Table 2) AMS 14C dating in sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218145
  2. Nürnberg, D; Tiedemann, R (2004): (Appendix 8) Barium excess calculations in sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218140
  3. Nürnberg, D; Tiedemann, R (2004): (Appendix 9) Chlorin content of sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218141
  4. Nürnberg, D; Tiedemann, R (2004): (Appendix 10) Analysis of sediment color from core LV28-42-4. https://doi.org/10.1594/PANGAEA.218137
  5. Nürnberg, D; Tiedemann, R (2004): (Appendix 6) Stable oxygen isotope ratios of benthic foraminifera from sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218138
  6. Nürnberg, D; Tiedemann, R (2004): (Appendix 7) Lithogenic components and coarse fraction in sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218139
  7. Nürnberg, D; Tiedemann, R (2004): (Appendix 4) Sedimentology of core LV28-42-4. https://doi.org/10.1594/PANGAEA.218135
  8. Nürnberg, D; Tiedemann, R (2004): (Appendix 5) Volume susceptibility of sediment core LV28-42-4. https://doi.org/10.1594/PANGAEA.218136
  9. Nürnberg, D; Tiedemann, R (2004): (Appendix 2) Carbon and carbonate content of sediment core MD01-2415. https://doi.org/10.1594/PANGAEA.218143
  10. Nürnberg, D; Tiedemann, R (2004): (Appendix 3) Stable oxygen isotope ratios of benthic foraminifera in sediment core MD01-2415. https://doi.org/10.1594/PANGAEA.218144
  11. Nürnberg, D; Tiedemann, R (2004): (Appendix 1) Sedimentology of core MD01-2415. https://doi.org/10.1594/PANGAEA.218142