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  • 1
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    Suborbital intermediate water variability inferred from paired benthic foraminiferal Cd/Ca and δ13C in the tropical West Atlantic and linking with North Atlantic climates (2002)
    Elsevier
    In:  Earth and Planetary Science Letters, 200 (1-2). pp. 191-205.
    Details
    Publication Date: 2016-07-15
    Description: Paired benthic Cd/Ca and δ13C records have been generated along core M35003 in the western tropical Atlantic. Decreased glacial water column dissolved cadmium (Cdw) and increased benthic δ13C indicate enhanced ventilation with nutrient-deplete intermediate waters, in line with similar inferences from other North Atlantic mid-depth records. An abrupt early deglacial δ13C collapse that is associated with a marked positive Cdw anomaly indicates a transient collapse of mid-depth ventilation from North Atlantic sources, conceivably in conjunction with the H1 meltwater anomaly. The Cdw record displays fine-scale fluctuations that mimic the Greenland Dansgaard/Oeschger (D/O) cycles and show decreased Cdw during stadials. This pattern is opposite to Cdw variations in a deep water record from Bermuda Rise that display increased Cdw concentrations during stadials. The divergent pattern between mid-depth and deep water Cdw records indicates millennial-scale switches between deep and shallow convection in the glacial North Atlantic, at the pace of the D/O climatic cycles. Several high-amplitude anomalies occur in the Cdw record that reach levels similar to those observed today in the North Pacific. While a substantial nutrient increase in the mid-depth North Atlantic cannot be ruled out during these events, changes of pore water chemistry and Cd/P fractionation during biological uptake offer alternative scenarios to explain the peak Cdw maxima.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0012-821X(02)00613-1
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 2
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    Radiocarbon dates of sediments from ODP Site 161-976 (2002)
    PANGAEA
    In:  Supplement to: Combourieu-Nebout, Nathalie; Turon, Jean-Louis; Zahn, Rainer; Capotondi, Lucilla; Londeix, Laurent; Pahnke, Katharina (2002): Enhanced aridity and atmospheric high-pressure stability over the western Mediterranean during the North Atlantic cold events of the past 50 k.y. Geology, 30(10), 863-866, https://doi.org/10.1130/0091-7613(2002)030%3C0863:EAAAHP%3E2.0.CO;2
    Details
    Publication Date: 2024-01-09
    Description: Multiproxy paleoenvironmental records (pollen and planktonic isotope) from Ocean Drilling Program Site 976 (Alboran Sea) document rapid ocean and climate variations during the last glacial that follow the Dansgaard-Oeschger climate oscillations seen in the Greenland ice core records, thus suggesting a close link of the Mediterranean climate swings with North Atlantic climates. Continental conditions rapidly oscillated through cold-arid and warm-wet conditions in the course of stadial-interstadial climate jumps. At the time of Heinrich events, i.e., maximum meltwater flux to the North Atlantic, western Mediterranean marine microflora and microfauna show rapid cooling correlated with increasing continental dryness. Enhanced aridity conceivably points to prolonged wintertime stability of atmospheric high-pressure systems over the southwestern Mediterranean in conjunction with cooling of the North Atlantic.
    Keywords: 161-976C; 161-976D; Alboran Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg161; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    (Table 1) Radiocarbon dates of sediments from ODP Hole 161-976D (2002)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 161-976D; Age, 14C milieu/reservoir corrected (-400 yr); Age, dated; Age, dated, error to older; Age, dated, error to younger; Age, dated material; Alboran Sea; Calculated; Calendar age; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg161; Ocean Drilling Program; ODP; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 30 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    (Table 1) Radiocarbon dates of sediments from ODP Hole 161-976C (2002)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Keywords: 161-976C; Age, 14C milieu/reservoir corrected (-400 yr); Age, dated; Age, dated, error to older; Age, dated, error to younger; Age, dated material; Alboran Sea; Calculated; Calendar age; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg161; Ocean Drilling Program; ODP; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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