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Lamy, Frank; Gersonde, Rainer; Winckler, Gisela; Esper, Oliver; Jaeschke, Andrea; Kuhn, Gerhard; Ullermann, Johannes; Martínez‐García, Alfredo; Lambert, Fabrice; Kilian, Rolf (2014): Lithogenic sediment deposition of 7 sediment cores from the Pacific Southern Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.826600, Supplement to: Lamy, F et al. (2014): Increased dust deposition in the Pacific Southern Ocean during glacial periods. Science, 343(6169), 403-407, https://doi.org/10.1126/science.1245424

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Abstract:
Dust deposition in the Southern Ocean constitutes a critical modulator of past global climate variability, but how it has varied temporally and geographically is underdetermined. Here, we present data sets of glacial-interglacial dust-supply cycles from the largest Southern Ocean sector, the polar South Pacific, indicating three times higher dust deposition during glacial periods than during interglacials for the past million years. Although the most likely dust source for the South Pacific is Australia and New Zealand, the glacial-interglacial pattern and timing of lithogenic sediment deposition is similar to dust records from Antarctica and the South Atlantic dominated by Patagonian sources. These similarities imply large-scale common climate forcings such as latitudinal shifts of the southern westerlies and regionally enhanced glaciogenic dust mobilization in New Zealand and Patagonia.
Project(s):
Paleoenvironmental Reconstructions from Marine Sediments @ AWI (AWI_Paleo)
Coverage:
Median Latitude: -56.469641 * Median Longitude: -142.995447 * South-bound Latitude: -60.872170 * West-bound Longitude: -169.548170 * North-bound Latitude: -54.215000 * East-bound Longitude: -114.788500
Date/Time Start: 2009-12-15T03:15:00 * Date/Time End: 2010-01-13T16:49:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
19 datasets

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Datasets listed in this publication series

  1. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/056-1. https://doi.org/10.1594/PANGAEA.826579
  2. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/056-1. https://doi.org/10.1594/PANGAEA.826590
  3. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 3) n-Alkanes C29+C31 of sediment core PS75/056-1. https://doi.org/10.1594/PANGAEA.826598
  4. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/059-2. https://doi.org/10.1594/PANGAEA.826580
  5. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/059-2. https://doi.org/10.1594/PANGAEA.826591
  6. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 3) Lithogenic mass accumulation rate of sediment core PS75/059-2. https://doi.org/10.1594/PANGAEA.826594
  7. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 4) Proxy records for paleoproductivity from subantarctic sediment core PS75/059-2. https://doi.org/10.1594/PANGAEA.826597
  8. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 3) n-Alkanes C29+C31 of sediment core PS75/059-2. https://doi.org/10.1594/PANGAEA.826599
  9. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/074-3. https://doi.org/10.1594/PANGAEA.826581
  10. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/074-3. https://doi.org/10.1594/PANGAEA.826587
  11. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/076-2. https://doi.org/10.1594/PANGAEA.826582
  12. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/076-2. https://doi.org/10.1594/PANGAEA.826592
  13. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 3) Lithogenic mass accumulation rate of sediment core PS75/076-2. https://doi.org/10.1594/PANGAEA.826596
  14. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/079-2. https://doi.org/10.1594/PANGAEA.826583
  15. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/079-2. https://doi.org/10.1594/PANGAEA.826593
  16. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/083-1. https://doi.org/10.1594/PANGAEA.826584
  17. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/083-1. https://doi.org/10.1594/PANGAEA.826588
  18. Lamy, F; Gersonde, R; Winckler, G et al. (2014): Age control points of sediment core PS75/093-1. https://doi.org/10.1594/PANGAEA.826585
  19. Lamy, F; Gersonde, R; Winckler, G et al. (2014): (Fig. 2) Iron content of sediment core PS75/093-1. https://doi.org/10.1594/PANGAEA.826589