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  • 551.7  (1)
  • AGE; Aragonite; DEPTH, sediment/rock; Dolomite; Groenvlei, South Africa; GRV_13-2; Magnesium-Calcite; PCUWI; Piston corer, UWITEC; Quartz; RAiN; Reference intensity ratio (RIR); Regional Archives for Integrated iNvestigations  (1)
  • AGE; Asian Monsoon; DEPTH, sediment/rock; Isotope ratio mass spectrometer (IRMS); Lake Nam Co, Tibetan Plateau; lake sediment proxies; Nam Co; NC_08/01; PC; Piston corer; SPP1372; Tibetan Plateau: Formation- Climate-Ecosystems; δ13C; δ18O  (1)
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  • 1
    Publication Date: 2021-03-29
    Description: Am Beispiel eines repräsentativen Aufschlusses nordwestlich Mannheim-Wallstadt wird aufgezeigt, wie sich mit Hilfe paläontologischer Methoden (Konchylien, 14C-Daten, Pollen- und Holzartenbestimmung) sowie Sediment- und Strukturmerkmalen (Korngröße, Schichtung, Kryoturbationserscheinungen etc.) das Jungquartär des Neckarschwemmfächers stratigraphisch, paläoklimatisch und genetisch gliedern läßt. Das Riß-Würm-Interglazial, bisher im nördlichen Oberrheingraben nur sedimentologisch erfaßt, kann im Neckarschwemmfächer auf Grund von Eichenholzfunden und warmzeitlichen Konchylien — in wesentlich geringerer Tiefe als bisher angenommen — nachgewiesen werden. Mittels Holzartenbestimmung läßt sich von etwa 50 000 bis ca. 42 500 J.v.h. ein kühl-atlantisches und von ca. 42 500 bis etwa 27 000 J.v.h. ein kühl-kontinentales Klima rekonstruieren. Für ein sehr kaltes Klima von 43 000—39 000 J.v.h., wie es in den Niederlanden von Zagwijn und Paepe (1968) festgestellt wurde, ergeben sich keine Anhaltspunkte. Das Würm-Hochglazial (oberes Pleniglazial) ist entweder nur relativ geringmächtig oder nur indirekt (durch intensive Kryoturbationserscheinungen etc.) nachweisbar.
    Description: research
    Keywords: 551.7 ; VAR 000 ; Glazialgeologie ; pollen ; kryoturbation ; neckar ; C-14 dating ; genesis ; alluvial fan ; climatic effect ; fossil wood ; dendrochronology ; stratification ; riss-wuerm interglacial ; geological sestion ; upper rhine valley ; mannheim-wollstadt ; baden-württemberg
    Language: German
    Type: article , publishedVersion
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  • 2
    Publication Date: 2023-10-24
    Description: Presented are analytical data from lacustrine sediment cores, retrieved from Lake Nam Co (Tibetan Plateau). The sediment core is a composite of one gravity core, taken with a Rumohr-Meischner gravity corer (63 mm diameter) and a piston core, retrieved using an uwitec piston coring system (http://www.uwitec.at; 90 mm diameter). The composite core labelled 〈NC 08/01〉 comprises a total length of 10.378 m. The cores were obtained at N 30.737417, E 090.790333 at a water depth of 93 m on 2008-09-15. The purpose of obtaining this sediment core was to establish a high-resolution record of climate (monsoonal) and environmental change using multiple proxy data. The dataset comprises analytical data based on sedimentological, inorganic geochemical, mineralogical and isotope-geochemical methods. Specifically: sediment water content & density; magnetic susceptibility; particel size data; quantitative inorganic geochemical data (ICP-OES aqua regia and HCL digestions); semi-quantitative XRF elemental data; carbon, nitrogen, sulfur contents; qualitative mineralogical data; bulk sediment stable carbon and oxygen isotope data.
    Keywords: AGE; Asian Monsoon; DEPTH, sediment/rock; Isotope ratio mass spectrometer (IRMS); Lake Nam Co, Tibetan Plateau; lake sediment proxies; Nam Co; NC_08/01; PC; Piston corer; SPP1372; Tibetan Plateau: Formation- Climate-Ecosystems; δ13C; δ18O
    Type: Dataset
    Format: text/tab-separated-values, 970 data points
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  • 3
    Publication Date: 2023-11-03
    Keywords: AGE; Aragonite; DEPTH, sediment/rock; Dolomite; Groenvlei, South Africa; GRV_13-2; Magnesium-Calcite; PCUWI; Piston corer, UWITEC; Quartz; RAiN; Reference intensity ratio (RIR); Regional Archives for Integrated iNvestigations
    Type: Dataset
    Format: text/tab-separated-values, 256 data points
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