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  • Forschungsdaten  (14)
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  • Forschungsdaten  (14)
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  • 1
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    PANGAEA
    In:  Supplement to: Hennissen, Jan A I; Head, Martin J; De Schepper, Stijn; Groeneveld, Jeroen (2014): Palynological evidence for a southward shift of the North Atlantic Current at ~2.6 Ma during the intensification of late Cenozoic Northern Hemisphere glaciation. Paleoceanography, 29(6), 564-580, https://doi.org/10.1002/2013PA002543
    Publikationsdatum: 2023-05-12
    Beschreibung: The position of the North Atlantic Current (NAC) during the intensification of Northern Hemisphere glaciation (iNHG) has been evaluated using dinoflagellate cyst assemblages and foraminiferal geochemistry from a ~260 kyr interval straddling the base of the Quaternary System from two sites: eastern North Atlantic Deep Sea Drilling Project Site 610 in the path of the present NAC and central North Atlantic Integrated Ocean Drilling Program Site U1313 in the subtropical gyre. Stable isotope and foraminiferal Mg/Ca analyses confirm cooling near the marine isotope stage (MIS) G7-G6 transition (2.74 Ma). However, a continued dominance of the dinoflagellate cyst Operculodinium centrocarpum sensu Wall and Dale (1966) indicates an active NAC in the eastern North Atlantic for a further 140 kyr. At MIS 104 (~2.60 Ma), a profound dinoflagellate cyst assemblage turnover indicates NAC shutdown in the eastern North Atlantic, implying elevated atmospheric pressure over the Arctic and a resulting shift in the westerlies that would have driven the NAC. These findings challenge recent suggestions that there was no significant southward shift of the NAC or the Arctic Front during iNHG, and reveal a fundamental climatic reorganization near the base of the Quaternary.
    Schlagwort(e): Deep Sea Drilling Project; DSDP; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2023-07-10
    Schlagwort(e): 94-610A; Achomosphaera spp.; AGE; Bitectatodinium tepikiense; Calculated from Mg/Ca ratios (Elderfield & Ganssen, 2000); Cibicidoides wuellerstorfi, δ13C; Cibicidoides wuellerstorfi, δ18O; Deep Sea Drilling Project; DEPTH, sediment/rock; Dinoflagellate cyst burial, flux; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; Dry mass; DSDP; DSDP/ODP/IODP sample designation; Globigerina bulloides, Magnesium/Calcium ratio; Globigerina bulloides, δ18O; Glomar Challenger; Habibacysta tectata; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Invertocysta lacrymosa; Invertocysta sp.; Isotopic event; Laboratory code/label; Leg94; Mass spectrometer Finnigan MAT 252; Nematosphaeropsis labyrinthus; North Atlantic/RIDGE; Operculodinium? eirikianum; Operculodinium centrocarpum sensu Wall and Dale (1966); Pentapharsodinium dalei; Pyxidinopsis braboi; Sample code/label; Sea surface temperature, annual mean; Spiniferites mirabilis; δ18O, water
    Materialart: Dataset
    Format: text/tab-separated-values, 1856 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2023-12-07
    Schlagwort(e): 306-U1313; AGE; COMPCORE; Composite Core; Depth, composite; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst, error; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DSDP/ODP/IODP sample designation; Exp306; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium solidum; Integrated Ocean Drilling Program / International Ocean Discovery Program; Invertocysta lacrymosa; IODP; Joides Resolution; Lycopodium clavatum; Lycopodium clavatum (added); Lycopodium clavatum (added), standard deviation; Nematosphaeropsis labyrinthus; North Atlantic Climate 2; Number of batch; Operculodinium centrocarpum sensu Wall and Dale (1966); Reference/source; Sample, dry mass; Sample code/label; Sample ID; Spiniferites mirabilis; Spiniferites spp.; Tablets
    Materialart: Dataset
    Format: text/tab-separated-values, 1590 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Publikationsdatum: 2023-12-07
    Schlagwort(e): 93-603C; AGE; Bitectatodinium tepikiense; Deep Sea Drilling Project; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst, error; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Impagidinium aculeatum; Impagidinium cf. pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium solidum; Invertocysta lacrymosa; Leg93; Lycopodium clavatum; Lycopodium clavatum (added); Lycopodium clavatum (added), standard deviation; Nematosphaeropsis labyrinthus; Number of batch; Operculodinium centrocarpum sensu Wall and Dale (1966); Pentapharsodinium dalei; Polysphaeridium zoharyi; Sample, dry mass; Sample code/label; Sample ID; Spiniferites mirabilis; Spiniferites spp.; Tablets
    Materialart: Dataset
    Format: text/tab-separated-values, 1175 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Publikationsdatum: 2023-12-07
    Schlagwort(e): 94-610A; AGE; Bitectatodinium tepikiense; Deep Sea Drilling Project; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst, error; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Filisphaera filifera; Glomar Challenger; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium solidum; Invertocysta lacrymosa; Leg94; Lycopodium clavatum; Lycopodium clavatum (added); Lycopodium clavatum (added), standard deviation; Nematosphaeropsis labyrinthus; North Atlantic/RIDGE; Number of batch; Operculodinium centrocarpum sensu Wall and Dale (1966); Pentapharsodinium dalei; Reference/source; Sample, dry mass; Sample code/label; Sample ID; Spiniferites mirabilis; Spiniferites spp.; Tablets
    Materialart: Dataset
    Format: text/tab-separated-values, 1369 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Publikationsdatum: 2023-12-07
    Schlagwort(e): 303-U1308C; AGE; Bitectatodinium tepikiense; Depth, composite; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst, error; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Exp303; Filisphaera filifera; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium solidum; Integrated Ocean Drilling Program / International Ocean Discovery Program; Invertocysta lacrymosa; IODP; Joides Resolution; Lycopodium clavatum; Lycopodium clavatum (added); Lycopodium clavatum (added), standard deviation; Nematosphaeropsis labyrinthus; North Atlantic Climate 1; Number of batch; Operculodinium centrocarpum sensu Wall and Dale (1966); Pentapharsodinium dalei; Reference/source; Sample, dry mass; Sample code/label; Sample ID; Spiniferites mirabilis; Spiniferites spp.; Tablets
    Materialart: Dataset
    Format: text/tab-separated-values, 1271 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Publikationsdatum: 2023-12-02
    Schlagwort(e): 306-U1313C; Achomosphaera spp.; AGE; Bitectatodinium tepikiense; Calculated from Mg/Ca ratios (Elderfield & Ganssen, 2000); Cibicidoides wuellerstorfi, δ13C; Cibicidoides wuellerstorfi, δ18O; DEPTH, sediment/rock; Dinoflagellate cyst burial, flux; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; Dry mass; DSDP/ODP/IODP sample designation; Exp306; Globigerina bulloides, Magnesium/Calcium ratio; Globigerina bulloides, δ18O; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium strialatum; Integrated Ocean Drilling Program / International Ocean Discovery Program; Invertocysta lacrymosa; IODP; Isotopic event; Joides Resolution; Laboratory code/label; Mass spectrometer Finnigan MAT 252; Nematosphaeropsis labyrinthus; North Atlantic Climate 2; Operculodinium centrocarpum sensu Wall and Dale (1966); Pyxidinopsis braboi; Pyxidinopsis tuberculata; Sample code/label; Sea surface temperature, annual mean; Spiniferites mirabilis; δ18O, water
    Materialart: Dataset
    Format: text/tab-separated-values, 2350 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Publikationsdatum: 2024-01-09
    Schlagwort(e): 165-999A; AGE; Caribbean Sea; DEPTH, sediment/rock; Dinoflagellate cyst; Dinoflagellate cyst, error; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per unit mass; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Impagidinium aculeatum; Impagidinium paradoxum; Impagidinium patulum; Invertocysta lacrymosa; Joides Resolution; Leg165; Lycopodium clavatum; Lycopodium clavatum (added); Lycopodium clavatum (added), standard deviation; Nematosphaeropsis labyrinthus; Number of batch; Ocean Drilling Program; ODP; Operculodinium centrocarpum sensu Wall and Dale (1966); Operculodinium israelianum; Palynomorpha, terrestrial; Palynomorpha, terrestrial, standard deviation; Polysphaeridium zoharyi; Sample, dry mass; Sample code/label; Sample ID; Spiniferites spp.; Tablets
    Materialart: Dataset
    Format: text/tab-separated-values, 1525 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2024-01-09
    Schlagwort(e): 165-999A; AGE; Calculated; Caribbean Sea; Depth, composite; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Foraminifera, benthic δ18O; Globigerinoides sacculifer, Magnesium/Calcium ratio; Globigerinoides sacculifer, δ18O; Isotope ratio mass spectrometry; Joides Resolution; Leg165; Ocean Drilling Program; ODP; Sample code/label; Sand; Sea surface temperature, March-August; SST from Mg/Ca ratios; Δδ18O; δ18O, water
    Materialart: Dataset
    Format: text/tab-separated-values, 1052 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-01-12
    Schlagwort(e): 93-603C; AGE; Cibicidoides wuellerstorfi, δ18O; Code; Corrected; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Globigerina bulloides, Magnesium/Calcium ratio; Glomar Challenger; Isotope ratio mass spectrometry; Leg93; Sample code/label; Sea surface temperature, March-August; SST from Mg/Ca ratios
    Materialart: Dataset
    Format: text/tab-separated-values, 232 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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