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Sierro, Francisco Javier; Hodell, David A; Andersen, Nils; Azibeiro, Lucia; Jiménez-Espejo, Francisco Jose; Bahr, André; Flores, José Abel; Ausín, Blanca; Rogerson, Michael; Lozano-Luz, Rocio; Lebreiro, Susana Martin; Hernandéz-Molina, Francisco Javier (2020): Percent fine sand, stable oxygen and carbon isotopes, IRD, SST, seawater d18O, Coccoliths/g from IODP site U1389 in the Gulf of Cadiz [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.921470

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Published: 2020-08-11 • DOI registered: 2020-09-15

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Abstract:
The percent of fine sand in combination with planktonic foraminifer oxygen isotope analyses from IODP site U1389 were used to investigate changes in strength of the Mediterranean Overflow over the last 250 kyr. MOW velocity was high at times of Earth's precession maxima and weak during precession minima. Benthic carbon isotopes were measured to analyse the chemical properties of the MOW. Low benthic d13C were recorded at times of weak Mediterranean overturning, specially at times of sapropel deposition in the Eastern Mediterranean. low %fine sand in the middle of Heinrich stadials probably indicate a deepening of the MOW due to lower vertical density gradients in the Atlantic.
Keyword(s):
Gulf of Cadiz; Heinrich Stadials; Mediterranean overflow; millennial climate change; sapropels; Stable isotopes
Supplement to:
Sierro, Francisco Javier; Hodell, David A; Andersen, Nils; Azibeiro, Lucia; Jiménez-Espejo, Francisco Jose; Bahr, André; Flores, José Abel; Ausín, Blanca; Rogerson, Mike; Lozano-Luz, Rocio; Lebreiro, Susana Martin; Hernandéz-Molina, Francisco Javier (2020): Mediterranean Overflow Over the Last 250 kyr: Freshwater Forcing From the Tropics to the Ice Sheets. Paleoceanography and Paleoclimatology, 35(9), https://doi.org/10.1029/2020PA003931
Coverage:
Median Latitude: 36.538087 * Median Longitude: -6.971535 * South-bound Latitude: 36.031700 * West-bound Longitude: -10.155000 * North-bound Latitude: 37.723000 * East-bound Longitude: -1.955280
Date/Time Start: 1995-06-08T23:15:00 * Date/Time End: 1995-06-15T14:30:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
8 datasets

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Datasets listed in this bundled publication

  1. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): δ¹⁸O reconstruction of seawater from Termination II of ODP Hole 161-977A. https://doi.org/10.1594/PANGAEA.921467
  2. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Coccolith abundance from IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921461
  3. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Cibicidoides pachyderma δ¹³C from IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921460
  4. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Globigerina bulloides δ¹⁸O from IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921462
  5. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Ice rafted debris (IRD) of the Heinrich stadial 1 from IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921463
  6. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Weight percent sand size fractions of IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921465
  7. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): Sea surface temperatue (SST) and oxygen isotope (δ¹⁸O) of IODP Site 339-U1389. https://doi.org/10.1594/PANGAEA.921464
  8. Sierro, FJ; Hodell, DA; Andersen, N et al. (2020): δ¹⁸O reconstruction of seawater from Termination II of sediment core MD01-2444/2443. https://doi.org/10.1594/PANGAEA.921468