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Krüger, Stefan; Leuschner, Dirk C; Ehrmann, Werner; Schmiedl, Gerhard; Mackensen, Andreas; Diekmann, Bernhard (2008): Multivariate statistical analysis on the kaolinite/chlorite ratios from 20 South Atlantic sediment cores. PANGAEA, https://doi.org/10.1594/PANGAEA.774777, Supplement to: Krüger, S et al. (2008): Ocean circulation patterns and dust supply into the South Atlantic during the last glacial cycle revealed by statistical analysis of kaolinite/chlorite ratios. Marine Geology, 253(3-4), 82-91, https://doi.org/10.1016/j.margeo.2008.04.015

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Abstract:
Multivariate statistical analysis on the kaolinite/chlorite ratios from 20 South Atlantic sediment cores allowed for the extraction of two processes controlling the fluctuations of the kaolinite/chlorite ratio during the last 130,000 yrs, (1) the relative strength of North Atlantic Deep Water (NADW) inflow into the South Atlantic Ocean and (2) the influx of aeolian sediments from the south African continent. The NADW fluctuation can be traced in the entire deep South Atlantic while the dust signal is restricted to the vicinity of South Africa. Our data indicate that NADW formation underwent significant changes in response to glacial/interglacial climate changes with enhanced export to the Southern Hemisphere during interglacials. The most pronounced phases with Enhanced South African Dust Export (ESADE) occurred during cold Marine Isotope Stage (MIS) 5d and across the Late Glacial/Holocene transition from 16 ka to 4 ka (MIS 2 to 1). This particular pattern is attributed to the interaction of Antarctic Sea Ice extent, the position of the westerlies and the South African monsoon system.
Coverage:
Median Latitude: -37.991005 * Median Longitude: 4.657797 * South-bound Latitude: -59.788330 * West-bound Longitude: -42.683330 * North-bound Latitude: -6.926167 * East-bound Longitude: 37.436660
Date/Time Start: 1988-03-04T00:00:00 * Date/Time End: 1994-07-30T00:00:00
Event(s):
GeoB1034-3 * Latitude: -21.735000 * Longitude: 5.421667 * Date/Time: 1988-03-04T00:00:00 * Elevation: -3772.0 m * Penetration: 12 m * Location: Angola Basin * Campaign: M6/6 * Basis: Meteor (1986) * Device: Gravity corer (Kiel type) (SL) * Comment: cc: Foram.-schlamm, weiß
GeoB1035-5 * Latitude: -21.578333 * Longitude: 5.023333 * Date/Time: 1988-03-04T00:00:00 * Elevation: -4453.0 m * Penetration: 12 m * Location: Angola Basin * Campaign: M6/6 * Basis: Meteor (1986) * Device: Gravity corer (Kiel type) (SL) * Comment: Foram.-sand, tonig, beige
GeoB1214-1 * Latitude: -24.690000 * Longitude: 7.240000 * Date/Time: 1990-03-22T00:00:00 * Elevation: -3210.0 m * Recovery: 5.08 m * Location: Cape Basin * Campaign: M12/1 * Basis: Meteor (1986) * Device: Gravity corer (Kiel type) (SL) * Comment: CC KS, weiß
Size:
24 datasets

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Datasets listed in this publication series

  1. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): (Fig. 2) Factor scores. https://doi.org/10.1594/PANGAEA.774775
  2. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): (Table 1) Loadings for PC 1, 2, and 3 and percentage variance explained (v. e.) of the total variance. https://doi.org/10.1594/PANGAEA.774776
  3. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Clay mineralogy of sediment core PS2561-2. https://doi.org/10.1594/PANGAEA.774844
  4. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1034-3. https://doi.org/10.1594/PANGAEA.774760
  5. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1035-5. https://doi.org/10.1594/PANGAEA.774761
  6. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1214-1. https://doi.org/10.1594/PANGAEA.774762
  7. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1401-4. https://doi.org/10.1594/PANGAEA.774754
  8. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1710-3. https://doi.org/10.1594/PANGAEA.774755
  9. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB1712-4. https://doi.org/10.1594/PANGAEA.774756
  10. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB2821-1. https://doi.org/10.1594/PANGAEA.774757
  11. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core GeoB2822-2. https://doi.org/10.1594/PANGAEA.774758
  12. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS1754-1. https://doi.org/10.1594/PANGAEA.774763
  13. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS1756-5. https://doi.org/10.1594/PANGAEA.774764
  14. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS1768-8. https://doi.org/10.1594/PANGAEA.774765
  15. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS1772-8. https://doi.org/10.1594/PANGAEA.774766
  16. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2082-1. https://doi.org/10.1594/PANGAEA.774767
  17. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2319-1. https://doi.org/10.1594/PANGAEA.774768
  18. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2495-3. https://doi.org/10.1594/PANGAEA.774769
  19. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2498-1. https://doi.org/10.1594/PANGAEA.774770
  20. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2557-1. https://doi.org/10.1594/PANGAEA.774771
  21. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2561-2. https://doi.org/10.1594/PANGAEA.774772
  22. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2564-3. https://doi.org/10.1594/PANGAEA.774773
  23. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Kaolinite/chlorite ratios measured on sediment core PS2612-1. https://doi.org/10.1594/PANGAEA.774774
  24. Krüger, S; Leuschner, DC; Ehrmann, W et al. (2008): Stable isotopes of sediment core PS2561-2. https://doi.org/10.1594/PANGAEA.774839