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  • 44-390A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg44; North Atlantic  (2)
  • Meeresplankton  (2)
Schlagwörter
Verlag/Herausgeber
Sprache
Erscheinungszeitraum
  • 1
    Online-Ressource
    Online-Ressource
    Berlin : Springer
    Schlagwort(e): Earth sciences ; Paleontology ; Oceanography ; Geobiology ; Zoology ; Earth Sciences ; Meeresplankton ; Foraminiferen ; Meeressediment ; Biogeochemie ; Isotopengeochemie
    Beschreibung / Inhaltsverzeichnis: This book provides a comprehensive overview of the taxonomy, biology, sedimentation, and carbonate geochemistry of modern species. Students, early career and advanced scientists alike will profit from a broad synthesis of the current understanding of planktic foraminifers as an ecological indicator, biogeochemical factories, and proxies in paleoceanography. The classification of modern species is amply illustrated with electron and light microscope images of morphotypes, addresses the state-of-the-art of molecular genetics of species, and provides a detailed guide for any laboratory analyses. The biology of planktic foraminifers is extensively discussed in chapters dedicated to the cellular ultrastructure, nutrition, symbionts, reproduction, ontogeny, and test architecture. Building on the biological prerequisites, the distribution of planktic foraminifers is discussed at regional to global scale. The geochemistry and sedimentation of tests are considered in relation to the ecology of the living animal. In the final chapter, which examines the most common methods in planktic foraminifer research, hands-on information is provided on sampling, processing and analyzing samples in the laboratory, as well as selected established methods for data interpretation. The various topics discussed in this book are aimed at the application of planktic foraminifers as sensitive indicators of the changing climate and marine environment
    Materialart: Online-Ressource
    Seiten: Online-Ressource (XVII, 358 p. 161 illus., 49 illus. in color, online resource)
    ISBN: 9783662502976
    Serie: SpringerLink
    Sprache: Englisch
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Buch
    Buch
    New York : Springer
    Schlagwort(e): Foraminifera ; Marine zooplankton ; foraminifera ; Meeresplankton ; Foraminiferen
    Materialart: Buch
    Seiten: XIII, 363 S. , Ill., graph. Darst.
    ISBN: 0387968156 , 3540968156
    DDC: 591.12
    RVK:
    RVK:
    Sprache: Englisch
    Anmerkung: Literaturverz. S. 286 - 327
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Friedrich, Oliver; Herrle, Jens O; Kößler, Peter; Hemleben, Christoph (2004): Early Maastrichtian stable isotopes: changing deep water sources in the North Atlantic? Palaeogeography, Palaeoclimatology, Palaeoecology, 211(1-2), 171-184, https://doi.org/10.1016/j.palaeo.2004.05.004
    Publikationsdatum: 2023-06-27
    Beschreibung: We propose that the observed short-term stable isotope fluctuations reflect changes in high- and low-latitude intermediate to deep water sources, based on a high-resolution stable isotope record of planktic and benthic foraminifera from the Early Maastrichtian (~71.3 to ~ 69.6 Ma) of Blake Nose (DSDP Site 390A, North Atlantic). Sources of these waters may have been the low-latitude eastern Tethys and high-latitude North Atlantic. Changes in intermediate to deep water sources were probably steered by eccentricity-controlled insolation fluctuations. Lower insolation favored the formation of high-latitude deep waters due to positive feedback mechanisms resulting in high-latitude cooling. This led to a displacement of low-latitude deep waters at Blake Nose. Higher insolation reduced intermediate to deep-water formation in high latitudes, yielding a more northern flow of low-latitude deep waters.
    Schlagwort(e): 44-390A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg44; North Atlantic
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Friedrich, Oliver; Hemleben, Christoph (2007): Early Maastrichtian benthic foraminiferal assemblages from the western North Atlantic (Blake Nose) and their relation to paleoenvironmental changes. Marine Micropaleontology, 62(1), 31-44, https://doi.org/10.1016/j.marmicro.2006.07.003
    Publikationsdatum: 2023-06-27
    Beschreibung: Benthic foraminiferal assemblages are a widespread tool to understand changes in organic matter flux and bottom-water oxygenation and their relation to paleoceanographic changes in the Upper Cretaceous oceans. In this study, assemblage data (diversity, total number, and number per species and gram) from Deep Sea Drilling Project (DSDP) Site 390 (Blake Nose, western North Atlantic) were processed for the lower Maastrichtian (Globotruncana falsostuarti – Gansserina gansseri Planktic Foraminiferal Zone). These data document significant changes in nutrient flux to the sea floor as well as bottom-water oxygenation during this time interval. Parallel to the observed changes in the benthic foraminiferal assemblages the number of inoceramid shells decreases, reflecting also a significant increase in bottom-water oxygenation. We speculate, that these data could reflect the onset of a shift from warmer low-latitude to cooler high-latitude deep-water sources. This speculation will predate the major reorganization of the oceanic circulation resulting in a circulation mode similar to today at the Early/Late Maastrichtian boundary by ~1 Ma and therefore improves our understanding of Late Cretaceous paleoceanography.
    Schlagwort(e): 44-390A; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg44; North Atlantic
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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