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Cortijo, Elsa; Scott, Lehman; Keigwin, Lloyd D; Chapman, Mark R; Paillard, Didier; Labeyrie, Laurent D (1999): Temperature and salinity reconstruction for the Last Interglacial Period in the North Atlantic Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.857350, Supplement to: Cortijo, Elsa; Lehman, S J; Keigwin, Lloyd D; Chapman, Mark R; Paillard, Didier; Labeyrie, Laurent D (1999): Changes in meridional temperature and salinity gradients in the North Atlantic Ocean (30°-72°N) during the last interglacial period. Paleoceanography, 14(1), 23-33, https://doi.org/10.1029/1998PA900004

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Abstract:
Eight deep-sea sediment cores from the North Atlantic Ocean ranging from 31° to 72°N are studied to reconstruct the meridional gradients in surface hydrographic conditions during the interval of minimum ice volume within the last interglacial period. Using benthic foraminiferal d18O measurements and estimates of Sea Surface Temperature (SST) and Sea Surface Salinity (SSS), we show that summer SSTs and SSSs decreased gradually during the interval of minimum ice volume at high-latitude sites (52°-72°N) whereas they were stable or increased during the same time period at low-latitude sites (31°-41°N). This increase in meridional gradients of SSTs and SSSs may have been due to changes in the latitudinal distribution of summer and annual-average insolation and associated oceanic and atmospheric feedbacks. These trends documented for the Eemian ice volume minimum period are similar to corresponding changes observed during the Holocene and may have had a similar origin.
Related to:
Cortijo, Elsa; Lehman, S J; Keigwin, Lloyd D; Chapman, Mark R; Paillard, Didier; Labeyrie, Laurent D (1999): NOAA/WDS Paleoclimatology - Interglacial North Atlantic Temperature and Salinity Data. NOAA National Centers for Environmental Information, https://doi.org/10.25921/HXCM-CV24
Coverage:
Median Latitude: 48.645708 * Median Longitude: -34.240108 * South-bound Latitude: 31.690000 * West-bound Longitude: -75.430000 * North-bound Latitude: 72.183000 * East-bound Longitude: 8.583000
Date/Time Start: 1969-08-05T00:00:00 * Date/Time End: 1995-06-29T00:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
32 datasets

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Datasets listed in this publication series

  1. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core CH69-K09. https://doi.org/10.1594/PANGAEA.857314
  2. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core CH69-K09. https://doi.org/10.1594/PANGAEA.857326
  3. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core CH69-K09. https://doi.org/10.1594/PANGAEA.857342
  4. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core CH69-K09. https://doi.org/10.1594/PANGAEA.857334
  5. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core EW9302-JPC8. https://doi.org/10.1594/PANGAEA.857315
  6. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core EW9302-JPC8. https://doi.org/10.1594/PANGAEA.857327
  7. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core EW9302-JPC8. https://doi.org/10.1594/PANGAEA.857343
  8. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core EW9302-JPC8. https://doi.org/10.1594/PANGAEA.857335
  9. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): Stbale oxygen isotope ratios of benthic foraminifera of Sediment core KNR140-37JPC. https://doi.org/10.1594/PANGAEA.857316
  10. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): Stable oxygen isotope ratios of planktonic foraminifera of sediment core KNR140-37JPC. https://doi.org/10.1594/PANGAEA.857328
  11. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Paleosalinity reconstruction for sediment core KNR140-37JPC. https://doi.org/10.1594/PANGAEA.857344
  12. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core KNR140-37JPC. https://doi.org/10.1594/PANGAEA.857336
  13. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core MD95-2036. https://doi.org/10.1594/PANGAEA.857317
  14. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core MD95-2036. https://doi.org/10.1594/PANGAEA.857329
  15. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core MD95-2036. https://doi.org/10.1594/PANGAEA.857345
  16. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core MD95-2036. https://doi.org/10.1594/PANGAEA.857337
  17. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core NA87-25. https://doi.org/10.1594/PANGAEA.857318
  18. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core NA87-25. https://doi.org/10.1594/PANGAEA.857330
  19. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core NA87-25. https://doi.org/10.1594/PANGAEA.857346
  20. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core NA87-25. https://doi.org/10.1594/PANGAEA.857338
  21. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core NEAP-18K. https://doi.org/10.1594/PANGAEA.857319
  22. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core NEAP-18K. https://doi.org/10.1594/PANGAEA.857331
  23. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core NEAP-18K. https://doi.org/10.1594/PANGAEA.857347
  24. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core NEAP-18K. https://doi.org/10.1594/PANGAEA.857339
  25. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core SU90-03. https://doi.org/10.1594/PANGAEA.857320
  26. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core SU90-03. https://doi.org/10.1594/PANGAEA.857332
  27. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core SU90-03. https://doi.org/10.1594/PANGAEA.857348
  28. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core SU90-03. https://doi.org/10.1594/PANGAEA.857340
  29. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3a) Stable oxygen isotope ratios of benthic foraminifera of sediment core V27-60. https://doi.org/10.1594/PANGAEA.857321
  30. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3b) Stable oxygen isotope ratios of planktonic foraminifera of sediment core V27-60. https://doi.org/10.1594/PANGAEA.857333
  31. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3d) Paleosalinity reconstruction for sediment core V27-60. https://doi.org/10.1594/PANGAEA.857349
  32. Cortijo, E; Scott, L; Keigwin, LD et al. (1999): (Fig. 3c) Summer SST reconstruction for sediment core V27-60. https://doi.org/10.1594/PANGAEA.857341