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  • 2015-2019  (61)
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  • 1
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    3. Wochenbericht Forschungsschiff METEOR M144 (2018)
    In:  UNSPECIFIED, 2 pp.
    Details
    Publikationsdatum: 2018-04-04
    Beschreibung: Heraklion (Kreta) – Catania (Sizilien), 3. Wochenbericht: 08.–14.01.2018
    Materialart: Report , NonPeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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    OceanRep: Wochenberichte
  • 2
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    2. Wochenbericht Forschungsschiff METEOR M144 (2018)
    In:  UNSPECIFIED, 3 pp.
    Details
    Publikationsdatum: 2018-01-09
    Beschreibung: Heraklion (Kreta) – Catania (Sizilien), 01.–07.01.2018, (EMPIRE – Eastern Mediterranean Paleoclimate and Ecosystems during the Rise of Early Civilizations)
    Materialart: Report , NonPeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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    OceanRep: Wochenberichte
  • 3
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    4. Wochenbericht Forschungsschiff METEOR M144 (2018)
    In:  UNSPECIFIED, 2 pp.
    Details
    Publikationsdatum: 2018-01-19
    Beschreibung: Heraklion (Kreta) – Catania (Sizilien), 15.–18.01.2018, (EMPIRE – Eastern Mediterranean Paleoclimate and Ecosystems during the Rise of Early Civilizations)
    Materialart: Report , NonPeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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    OceanRep: Wochenberichte
  • 4
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    1. Wochenbericht Forschungsschiff METEOR M144 (2017)
    In:  UNSPECIFIED, 2 pp.
    Details
    Publikationsdatum: 2018-01-05
    Beschreibung: Heraklion (Kreta) – Catania (Sizilien), 27. – 31.12.2017, (EMPIRE – Eastern Mediterranean Paleoclimate and Ecosystems during the Rise of Early Civilizations)
    Materialart: Report , NonPeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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    OceanRep: Wochenberichte
  • 5
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    The Global Stratotype Section and Point (GSSP) for the base of the Chattian Stage (Paleogene System, Oligocene Series) at Monte Cagnero, Italy (2018)
    Details
    Publikationsdatum: 2020-12-17
    Beschreibung: The GSSP for the base of the Chattian Stage (Paleogene System, Oligocene Series) is defined at meter level 197 in the Monte Cagnero section, which belongs to the pelagic succession of the Umbria–Marche basin (Urbania, central Italy: 43°38′47.81″N–12°28′03.83″E). This level with an astronomical age of 27.82 Ma coincides with the highest common occurrence of the planktonic foraminifer Chiloguembelina cubensis at the base of planktonic foraminiferal O5 Zone and falls in the upper part of calcareous nannofossil NP24 Zone, in the lower part of dinocyst Dbi Zone, and in the lower Chron C9n. The proposal was approved by the International Subcommission of Paleogene Stratigraphy in July 2015, approved by the International Commission of Stratigraphy in August 2016, and ratified by the International Union of Geological Sciences in September 2016.
    Beschreibung: Published
    Beschreibung: 17-32
    Beschreibung: 1A. Geomagnetismo e Paleomagnetismo
    Beschreibung: JCR Journal
    Schlagwort(e): Stratigraphy ; Oligocene ; Stratigraphy
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Materialart: article
    Standort Signatur Einschränkungen Verfügbarkeit
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    ARTIKEL (OA)
  • 6
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    Persistent monsoonal forcing of Mediterranean Outflow dynamics during the late Pleistocene (2015)
    PANGAEA
    In:  Supplement to: Bahr, André; Kaboth, Stefanie; Jiménez-Espejo, Francisco Jose; Sierro, Francisco Javier; Voelker, Antje H L; Lourens, Lucas Joost; Röhl, Ursula; Reichart, Gert-Jan; Escutia, Carlota; Hernandéz-Molina, Francisco Javier; Pross, Jörg; Friedrich, Oliver (2015): Persistent monsoonal forcing of Mediterranean Outflow Water dynamics during the late Pleistocene. Geology, 43(11), 951-954, https://doi.org/10.1130/G37013.1
    Details
    Publikationsdatum: 2024-04-25
    Beschreibung: The mode and vigor of the global oceanic circulation critically depend on the salinity of (sub)surface water masses advected to the loci of deep-water formation. Within the Atlantic meridional overturning circulation (AMOC), an important supplier of high-salinity waters is the Mediterranean Outflow Water (MOW), discharging into the North Atlantic via the Strait of Gibraltar. Despite its importance for the North Atlantic salinity budget, the long-term dynamics of MOW production have remained poorly understood. Here we present high-resolution records of bottom-current velocity from three drill sites within the Gulf of Cádiz that document a persistent low-latitude forcing of MOW flow speed over the past ~150 k.y. We demonstrate that the African monsoon is the predominant driver of orbital-scale MOW variability via its influence on the freshwater budget of the eastern Mediterranean Sea. Consequently, MOW formation fluctuates in concert with orbital precession overprinted by centennial-scale oscillations of high-latitude origin. We further document that Northern Hemisphere summer insolation minima stimulate maximal injection of MOW-derived salt into the North Atlantic, likely strengthening the intermediate AMOC branch. The direct coupling of MOW dynamics to low-latitude climate forcing represents a hitherto neglected process for propagating (sub)tropical climate signals into the high northern latitudes.
    Schlagwort(e): 339-U1386; 339-U1387; 339-U1389; Azores; CALYPSO; Calypso Corer; COMPCORE; Composite Core; Exp339; IMAGES I; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Marion Dufresne (1995); MD101; MD952037; MD95-2037; Mediterranean Outflow
    Materialart: Dataset
    Format: application/zip, 9 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 7
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    Raw multibeam EM122 data: transits of METEOR cruise M144 (Mediterranean Sea) (2018)
    PANGAEA
    Details
    Publikationsdatum: 2024-04-25
    Schlagwort(e): AtlantOS; Bathymetry; CT; DATE/TIME; EMPIRE; File format; File name; File size; LATITUDE; LONGITUDE; M144; M144/1-track; Meteor (1986); Optimizing and Enhancing the Integrated Atlantic Ocean Observing System; Swath-mapping system Simrad EM122 (Kongsberg Maritime AS); Underway cruise track measurements; Uniform resource locator/link to raw data file
    Materialart: Dataset
    Format: text/tab-separated-values, 1496 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 8
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    Dinoflagellate cysts in the Oligocene to Miocene sediments of IODP Site 318-U1356A (2017)
    PANGAEA
    In:  Supplement to: Bijl, Peter K; Houben, Alexander J P; Bruls, Anja; Pross, Jörg; Sangiorgi, Francesca (2018): Stratigraphic calibration of Oligocene–Miocene organic-walled dinoflagellate cysts from offshore Wilkes Land, East Antarctica, and a zonation proposal. Journal of Micropalaeontology, 37(1), 105-138, https://doi.org/10.5194/jm-37-105-2018
    Details
    Publikationsdatum: 2024-04-25
    Beschreibung: There is growing interest in the scientific community in reconstructing the paleoceanography of the Southern Ocean during the Oligocene-Miocene because these time intervals experienced atmospheric CO2 concentrations with relevance to our future. However, it has remained notoriously difficult to put the sedimentary archives used in these efforts into a temporal framework. This is at least partially due to the fact that the bio-events recorded in organic-walled dinoflagellate cysts (dinocysts), which often represent the only microfossil group preserved, have not yet been calibrated to the international time scale. We here present dinocyst ranges from Oligocene-Miocene sediments drilled offshore the Wilkes Land continental margin, East Antarctica (Integrated Ocean Drilling Program (IODP) Hole U1356A). In addition, we apply statistical means to test a priori assumptions about whether the recorded taxa were deposited in situ or were reworked from older strata. Moreover, we describe two new dinocyst species, Selenopemphix brinkhuisii sp. nov. and Lejeunecysta adeliensis sp. nov., which are identified as important markers for regional stratigraphic analysis. Finally, we calibrate all identified dinocyst events to the international time scale using independent age control from calcareous nannoplankton and magnetostratigraphy from IODP Hole U1356A, and propose a provisional dinoflagellate cyst zonation scheme for the Oligocene-Miocene of the Southern Ocean.
    Schlagwort(e): 318-U1356A; Achilleodinium biformoides; Achomosphaera alcicornu; Acritarcha; Acritarcha, chorate; Acritarcha, microgranulate; Acritarcha, psilate sphere; Acritarcha, reticulate; Adnatosphaeridium sp.; Adnatosphaeridium spp.; Aiora fenestrata; Aireiana verrucosa; Alisocysta circumtabulata; Alterbidinium distinctum; Angiosperms; Apectodinium spp.; Arachnodinium antarcticum; Areoligera complex; Areoligera semicirculata; Ataxodinium spp.; Batiacasphaera; Batiacasphaera compta; Batiacasphaera hirsuta; Batiacasphaera micropapillata; Batiacasphaera minuta; Batiacasphaera sp.; Batiacasphaera sphaerica; Batiacasphaera spp.; Botryococcus; Brigantedinium complex; Brigantedinium pynei; Brigantedinium simplex; Brigantedinium sp.; Cerebrocysta bartonensis; Cerebrocysta delicata; Cerebrocysta sp.; Charlesdowniea clathrata; Charlesdowniea edwardsii; Cleistosphaeridium sp.; Cooksonidium capricornum; Cordosphaeridium fibrospinosum; Cordosphaeridium funiculatum; Cordosphaeridium minutum; Corrudinium; Corrudinium? labradori; Corrudinium incompositum; Corrudinium regulare; Corrudinium sp.; Counts; Cribroperidinium spp.; Cryodinium sp.; Cyclopsiella; Cymatiosphaera; Damassadinium crassimurata; Dapsilidinium spp.; Deflandrea antarctica; Deflandrea cygniformis; Deflandrea sp.; Deflandrea spp.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dinoflagellate cyst; Dinoflagellate cyst indeterminata; Dinoflagellate cyst in situ; Dinoflagellate cyst per unit mass; Dinoflagellate cyst reworked; Diphyes colligerum; Distatodinium sp.; DRILL; Drilling/drill rig; Edwardsiella sexispinosa; Eisenackia circumtabulata; Elytrocysta brevis; Elytrocysta sp.; Enneadocysta diktyostila; Enneadocysta multicornuta; Eocladopyxis tesselata; Exp318; Fibrocysta axialis; Foraminifera, linings; Fossils, pyritized; Gelatia inflata; Glaphyrocysta intricata; Glaphyrocysta pastielsii; Habibacysta; Halodinium; Heteraulacacysta leptalea; Histiocysta palla; Homotryblium spp.; Hystrichokolpoma bullatum; Hystrichokolpoma pusilla; Hystrichokolpoma rigaudiae; Hystrichokolpoma truncatum; Hystrichosphaeridium truswelliae; Hystrichosphaeridium tubiferum; Hystrichosphaeropsis obscura; Impagidinium; Impagidinium aculeatum; Impagidinium cantabrigiense; Impagidinium elegans; Impagidinium elongatum; Impagidinium maculatum; Impagidinium pacificum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium plicatum; Impagidinium sp.; Impagidinium sphaericum; Impagidinium spp.; Impagidinium velorum; Impagidinium victorianum; Impagidinium waipawaensis; Integrated Ocean Drilling Program / International Ocean Discovery Program; Invertocysta tabulata; IODP; Islandinium spp.; Joides Resolution; Kenleyia spp.; Leiosphera; Lejeunecysta acuminata; Lejeunecysta adeliense; Lejeunecysta attenuata; Lejeunecysta complex; Lejeunecysta cowei; Lejeunecysta fallax; Lejeunecysta katatonos; Lejeunecysta rotunda; Lithology/composition/facies; Lycopodium (added); Lycopodium (counted); Malvinia escutiana; Manumiella druggii; Melitasphaeridium pseudorecurvatum; Membranophoridium perforatum; Nematosphaeropsis; Nematosphaeropsis labyrinthus; Nothofagus; Octodinium askiniae; Odontochitina spp.; Oligokolpoma galeottii; Operculodinium; Operculodinium? eirikianum; Operculodinium cf. eirikianum; Operculodinium cf. tiara; Operculodinium janduchenei; Operculodinium piaseckii; Operculodinium sp.; Operculodinium spp.; Paleocystodinium golzowense; Palynomorpha; Paralacaniella; Paucisphaeridium spp.; Pediastrum; Phthanoperidinium amoenum; Phthanoperidinium antarcticum; Phthanoperidinium echinatum; Pollen; Pollen, bisaccate; Polysphaeridium spp.; Prasinophytes; Protoperidinioid cyst; Protoperidinium complex; Protoperidinium sp.; Pterospermella; Pyxidinopsis fairhavensis; Pyxidinopsis reticulata; Pyxidinopsis sp.; Pyxidinopsis spp.; Pyxidinopsis tuberculata; Pyxidinopsis vesciculata; Reticulatosphaera actinocoronata; Rhombodinium sp.; Sample code/label; Sample mass; Schematophora obscura; Schematophora speciosa; Selenopemphix antarctica; Selenopemphix brinkhuisi; Selenopemphix cf. antarctica; Selenopemphix complex; Selenopemphix dioneacysta; Selenopemphix nephroides; Selenopemphix sp.; Selenopemphix undulata; Senegalinium spp.; Spinidinium luciae; Spinidinium macmurdoense; Spinidinium schellenbergii; Spiniferites; Spiniferites ramosus complex; Spiniferites sp.; Spores; Stoveracysta kakanuiensis; Stoveracysta ornata; Svalbardella; Tasmanites; Tectatodinium spp.; Thalassiphora pelagica; Tritonites; Turbiosphaera filosa; Turbiosphaera sagena; Unipontedinium aquaeductus; Vozzhenikovia; Vozzhennikovia apertura/ S. schellenbergii group; Vozzhennikovia netrona; Wetzeliella articulata; Wilkes Land
    Materialart: Dataset
    Format: text/tab-separated-values, 63528 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 9
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    Biomarker and pollen in core SG-1 from Tibetan Plateau spanning the Mid-Pleistocene Transition (2018)
    PANGAEA
    In:  Supplement to: Koutsodendris, Andreas; Sachse, Dirk; Appel, Erwin; Herb, Christian; Fischer, Tobias; Fang, Xiaomin; Pross, Jörg (2018): Prolonged monsoonal moisture availability preconditioned glaciation of the Tibetan Plateau during the mid‐Pleistocene transition. Geophysical Research Letters, 45, 13020-13030, https://doi.org/10.1029/2018GL079303
    Details
    Publikationsdatum: 2024-04-25
    Beschreibung: Paleohydrological data comprising pollen assemblages and leaf-wax hydrogen isotopes (δDwax) from paleolake sediments in the Qaidam Basin (China) provide evidence for a link between increased moisture availability on the Tibetan Plateau and global cooling during the Mid-Pleistocene Transition. Notably, they document the persistence of humid and cold conditions during Marine Isotope Stages 24–22 (936–866 ka) suggesting that boundary conditions favorable for extended glaciation on the Tibetan Plateau first developed at ~900 ka. Our δDwax results indicate a strong influence of proximal (monsoonal) moisture sources during that glacial, in agreement with the intensification of the inter-hemispheric moisture transport resulting from Antarctic ice-volume increase at ~900 ka. The consistency of our results with other marine and terrestrial climate datasets suggests that extended glaciation on the Tibetan Plateau may have initiated ~500 ka earlier than previously assumed, implying that mid-latitude ice sheets actively contributed to global cooling during the Mid-Pleistocene Transition.
    Schlagwort(e): DRILL; Drilling/drill rig; Qaidam paleolake; SG-1; Tibetan Plateau
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 10
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    Carbon, carbon isotope and dinoflagellate and pollen of the Latrobe-1 and Point Margaret, Victoria, Australia (2018)
    PANGAEA
    In:  Supplement to: Frieling, Joost; Huurdeman, Emiel P; Rem, Charlotte C M; Donders, Timme H; Pross, Jörg; Bohaty, Steven M; Holdgate, Guy R; Gallagher, Stephen John; McGowran, Brian; Bijl, Peter K (2018): Identification of the Paleocene?Eocene boundary in coastal strata in the Otway Basin, Victoria, Australia. Journal of Micropalaeontology, 37(1), 317-339, https://doi.org/10.5194/jm-37-317-2018
    Details
    Publikationsdatum: 2024-04-25
    Beschreibung: Detailed, stratigraphically well-constrained environmental reconstructions are available for Paleocene and Eocene strata at a range of sites in the southwest Pacific Ocean (New Zealand and East Tasman Plateau; ETP) and Integrated Ocean Discovery Program (IODP) Site U1356 in the south of the Australo-Antarctic Gulf (AAG). These reconstructions have revealed a large discrepancy between temperature proxy data and climate models in this region, suggesting a crucial error in model, proxy data or both. To resolve the origin of this discrepancy, detailed reconstructions are needed from both sides of the Tasmanian Gateway. Paleocene-Eocene sedimentary archives from the west of the Tasmanian Gateway have unfortunately remained scarce (only IODP Site U1356), and no well-dated successions are available for the northern sector of the AAG. Here we present new stratigraphic data for upper Paleocene and lower Eocene strata from the Otway Basin, southeast Australia, on the (north)west side of the Tasmanian Gateway. We analyzed sediments recovered from exploration drilling (Latrobe-1 drill core) and outcrop sampling (Point Margaret) and performed high-resolution carbon isotope geochemistry of bulk organic matter and dinoflagellate cyst (dinocyst) and pollen biostratigraphy on sediments from the regional lithostratigraphic units, including the Pebble Point Formation, Pember Mudstone and Dilwyn Formation. Pollen and dinocyst assemblages are assigned to previously established Australian pollen and dinocyst zonations and tied to available zonations for the SW Pacific. Based on our dinocyst stratigraphy and previously published planktic foraminifer biostratigraphy, the Pebble Point Formation at Point Margaret is dated to the latest Paleocene. The globally synchronous negative carbon isotope excursion that marks the Paleocene-Eocene boundary is identified within the top part of the Pember Mudstone in the Latrobe-1 borehole and at Point Margaret. However, the high abundances of the dinocyst Apectodinium prior to this negative carbon isotope excursion prohibit a direct correlation of this regional bio-event with the quasi-global Apectodinium acme at the Paleocene-Eocene Thermal Maximum (PETM; 56 Ma). Therefore, the first occurrence of the pollen species Spinizonocolpites prominatus and the dinocyst species Florentinia reichartii are here designated as regional markers for the PETM. In the Latrobe-1 drill core, dinocyst biostratigraphy further indicates that the early Eocene (~56-51 Ma) sediments are truncated by a ~10 Myr long hiatus overlain by middle Eocene (~40 Ma) strata. These sedimentary archives from southeast Australia may prove key in resolving the model-data discrepancy in this region, and the new stratigraphic data presented here allow for detailed comparisons between paleoclimate records on both sides of the Tasmanian Gateway.
    Materialart: Dataset
    Format: application/zip, 5 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
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