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Telesiński, Maciej Mateusz; Spielhagen, Robert F; Lind, Ewa M (2014): A high-resolution Lateglacial and Holocene palaeoceanographic record from the Greenland Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.832384, Supplement to: Telesiński, MM et al. (2014): A high-resolution Lateglacial and Holocene palaeoceanographic record from the Greenland Sea. Boreas, 43(2), 273-285, https://doi.org/10.1111/bor.12045

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Abstract:
We present an unprecedented multicentennial sediment record from the foot of Vesterisbanken Seamount, central Greenland Sea, covering the past 22.3 thousand years (ka). Based on planktic foraminiferal total abundances, species assemblages, and stable oxygen and carbon isotopes, the palaeoenvironments in this region of modern deepwater renewal were reconstructed. Results show that during the Last Glacial Maximum the area was affected by harsh polar conditions with only episodic improvements during warm summer seasons. Since 18 ka extreme freshwater discharges from nearby sources occurred, influencing the surface water environment. The last major freshwater event took place during the Younger Dryas. The onset of the Holocene was characterized by an improvement of environmental conditions suggesting warming and increasing ventilation of the upper water layers. The early Holocene saw a stronger Atlantic waters advection to the area, which began around 10.5 and ended quite rapidly at 5.5 ka, followed by the onset of Neoglacial cooling. Surface water ventilation reached a maximum in the middle Holocene. Around 3 ka the surface water stratification increased leading to subsequent amplification of the warming induced the North Atlantic Oscillation at 2 ka.
Coverage:
Latitude: 73.249700 * Longitude: -8.998300
Date/Time Start: 1990-06-23T00:00:00 * Date/Time End: 1990-06-23T09:30:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Telesiński, MM (2014): Age determination at PS1878-2. https://doi.org/10.1594/PANGAEA.832380
  2. Telesiński, MM (2014): Paleooceanographic data at PS1878-2. https://doi.org/10.1594/PANGAEA.832381
  3. Telesiński, MM (2014): Age determination at PS1878-3. https://doi.org/10.1594/PANGAEA.832379
  4. Telesiński, MM (2014): Paleooceanographic data at PS1878-3. https://doi.org/10.1594/PANGAEA.832383