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Goudeau, Marie-Louise Sophie; Grauel, Anna-Lena; Tessarolo, Chiara; Leider, Arne; Chen, Liang; Bernasconi, Stefano M; Versteegh, Gerard J M; Zonneveld, Karin A F; Boer, Wim; Alonso-Hernandez, C M; de Lange, Gert J (2014): Grain size analyses, Ca/Ti and other selected elemental ratios from XRF core scanning of sediment cores from the Apulian Margin. PANGAEA, https://doi.org/10.1594/PANGAEA.825473, Supplement to: Goudeau, M-LS et al. (2014): The Glacial-Interglacial transition and Holocene environmental changes in sediments from the Gulf of Taranto, Central Mediterranean. Marine Geology, 348, 88-102, https://doi.org/10.1016/j.margeo.2013.12.003

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Abstract:
An extensive, high-resolution, sedimentological-geochemical survey was done using geo-acoustics, XRF-core scans, ICP-AES, AMS 14C-dating and grain size analyses of sediments in 11 cores from the Gulf of Taranto, the southern Adriatic Sea, and the central Ionian Sea spanning the last 16 cal. ka BP. Comparable results were obtained for cores from the Gallipoli Shelf (eastern Gulf of Taranto), and the southern Adriatic Sea suggesting that the dominant provenance of Gallipoli Shelf sediments is from the western Adriatic mud belt. The 210Pb and 14C-dated high-accumulation-rate sediments permit a detailed reconstruction of climate variability over the last 16 cal. ka BP.
Although, the Glacial-Interglacial transition is generally dry and stable these conditions are interrupted by two phases of increased detrital input during the Bølling-Allerød and the late Younger Dryas. The event during the Younger Dryas period is characterized by increased sediment inputs from southern Italian sources. This suggests that run-off was higher in southern- compared to northern Italy. At approximately ~ 7 cal. ka BP, increased detrital input from the Adriatic mud belt, related to sea level rise and the onset of deep water formation in the Adriatic Sea, is observed and is coincident with the end of sapropel S1 formation in the southern Adriatic Sea. During the mid-to-late Holocene we observed millennial-scale events of increased detrital input, e.g. during the Roman Humid Period, and of decreased detrital input, e.g., Medieval Warm Period. These dry/wet spells are consistent with variability in the North Atlantic Oscillation (NAO). A negative state of the NAO and thus a more advanced penetration of the westerlies into the central Mediterranean, that result in wet conditions in the research area concord with events of high detrital input e.g., during the Roman Humid Period. In contrast, a positive state of the NAO, resulting in dry conditions in the Mediterranean, dominated during events of rapid climate change such as the Medieval Warm Period and the Bronze Age.
Coverage:
Median Latitude: 39.923863 * Median Longitude: 17.845222 * South-bound Latitude: 39.756667 * West-bound Longitude: 17.466500 * North-bound Latitude: 40.383330 * East-bound Longitude: 18.333330
Date/Time Start: 2006-06-18T06:11:00 * Date/Time End: 2006-06-30T14:28:00
Size:
11 datasets

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Datasets listed in this publication series

  1. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4 and 5) Age and Calcium/Titanium ratio of sediment core DP30PC. https://doi.org/10.1594/PANGAEA.825413
  2. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core GeoB10703-5. https://doi.org/10.1594/PANGAEA.825414
  3. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core GeoB10704-5. https://doi.org/10.1594/PANGAEA.825415
  4. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core GeoB10706-4. https://doi.org/10.1594/PANGAEA.825417
  5. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core GeoB10709-6. https://doi.org/10.1594/PANGAEA.825418
  6. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core GeoB10745-3. https://doi.org/10.1594/PANGAEA.825421
  7. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 4) Age and Calcium/Titanium ratio of sediment core MP49PC. https://doi.org/10.1594/PANGAEA.825429
  8. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 6) Selected elemental ratios from X-ray fluorescence (XRF) core scanning of sediment core DP30PC. https://doi.org/10.1594/PANGAEA.825342
  9. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Figure 6) Selected elemental ratios from X-ray fluorescence (XRF) core scanning of sediment core GeoB10704-5. https://doi.org/10.1594/PANGAEA.825343
  10. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Table 2) Grain size distribution of surface sediments taken in the Gulf of Taranto. https://doi.org/10.1594/PANGAEA.825430
  11. Goudeau, M-LS; Grauel, A-L; Tessarolo, C et al. (2014): (Table 3) Radiocarbon age of sediment core DP30PC. https://doi.org/10.1594/PANGAEA.825449