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  • 1
    Online-Ressource
    Online-Ressource
    Encyclopedia of scientific dating methods (2016)
    Netherlands : Springer
    Details Verfügbarkeit
    Schlagwort(e): Forensic medicine ; Environmental sciences ; Geochemistry ; Life sciences ; Paleontology  ; Geochemistry. ; Paleontology . ; Life sciences. ; Forensic science. ; Environment. ; Atmospheric sciences. ; Wörterbuch ; Geochronologie ; Datierung ; Biologie ; Methode ; Geologie ; Archäologie ; Archäometrie ; Altersbestimmung ; Geochronometrie ; Methode ; Biowissenschaften ; Geowissenschaften ; Altersbestimmung ; Methode ; Isotopendatierung
    Beschreibung / Inhaltsverzeichnis: From the Content: 14C dating -- 4He/3He dating -- Acasta gneiss -- Accelerator mass spectrometry -- Alpha spectroscopy -- Alpine terranes (K-Ar/Ar-Ar) -- Amino acid -- Amino Acid Racemization dating -- Amino acids (14C) -- Apatite -- Apex chert -- Aquifer characteristics (U-series) -- Aquifer residence time (36Cl) -- Ar-Ar and K-Ar dating -- Arctic environment (AAR) -- Band structure -- Beta counter -- Big Bang -- Biostratigraphy -- Biostratigraphy (AAR) -- Bomb carbon -- Bones (Gamma spectrometry/U-series) -- Bones (U-series) -- Carbonate, lacustrine (U-series)
    Materialart: Online-Ressource
    Seiten: 1 Online-Ressource
    Ausgabe: Living Reference Work, continuously updated edition
    ISBN: 9789400763265
    Serie: Earth Science Series
    URL: https://doi.org/10.1007/978-94-007-6326-5
    URL: https://doi.org/10.1007/978-94-007-6326-5
    URL: https://swbplus.bsz-bw.de/bsz381695689cov.jpg
    DOI: 10.1007/978-94-007-6326-5
    Sprache: Englisch
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  • 2
    Online-Ressource
    Online-Ressource
    Encyclopedia of scientific dating methods (2016)
    Details Verfügbarkeit
    Schlagwort(e): Geochemistry
    Materialart: Online-Ressource
    Seiten: 1 Online-Ressource
    Ausgabe: Living Reference Work, continuously updated edition
    ISBN: 9789400763265
    Serie: Earth Science Series
    URL: http://dx.doi.org/10.1007/978-94-007-6326-5
    DOI: 10.1007/978-94-007-6326-5
    Sprache: Englisch
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  • 3
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    (Table S1a) Cosmogenic 36Cl exposure ages raw data of Palliser Rockslide (2014)
    PANGAEA
    Details
    Publikationsdatum: 2023-04-24
    Schlagwort(e): Aluminium oxide; Boron; Calcium oxide; Canada; Carbon dioxide; Chlorine; Chlorine-36; Chromium; Coefficient; Density; Factor; Gadolinium; Identification; Iron oxide, Fe2O3; Lithium; Magnesium oxide; Manganese oxide; Palliser_Rockslide; Phosphorus pentoxide; Potassium oxide; Samarium; Sample thickness; Silicon dioxide; Sodium oxide; Thorium; Titanium dioxide; Uncertainty; Uranium; Water in rock
    Materialart: Dataset
    Format: text/tab-separated-values, 192 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 4
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    Palliser Rockslide cosmogenic 36Cl exposure ages (raw data) and erosion effect on the cosmogenic (2014)
    PANGAEA
    In:  Supplement to: Sturzenegger, Matthieu; Stead, Doug; Gosse, John; Ward, Brent; Froese, Corey (2014): Reconstruction of the history of the Palliser Rockslide based on 36Cl terrestrial cosmogenic nuclide dating and debris volume estimations. Landslides, 12(6), 1097-1106, https://doi.org/10.1007/s10346-014-0527-4
    Details
    Publikationsdatum: 2024-02-16
    Beschreibung: This paper presents the results of a combined study, using cosmogenic 36Cl exposure dating and terrestrial digital photogrammetry, of the Palliser Rockslide located in the southeastern Canadian Rocky Mountains. This site is particularly well-suited to demonstrate how this multi-disciplinary approach can be used to differentiate distinct rocksliding events, estimate their volume, and establish their chronology and recurrence interval. Observations suggest that rocksliding has been ongoing since the late Pleistocene deglaciation. Two major rockslide events have been dated at 10.0 ± 1.2 kyr and 7.7 ± 0.8 kyr before present, with failure volumes of 40 Mm3 and 8 Mm3, respectively. The results have important implications concerning our understanding of the temporal distribution of paraglacial rockslides and rock avalanches; they provide a better understanding of the volumes and failure mechanisms of recurrent failure events; and they represent the first absolute ages of a prehistoric high magnitude event in the Canadian Rocky Mountains.
    Schlagwort(e): Canada; Palliser_Rockslide
    Materialart: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 5
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    (Table S1b) Erosion effect on the cosmogenic ages of Palliser Rockslide (2014)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-16
    Schlagwort(e): Age model; Age model, optional; Canada; Chlorine; Chlorine-36; Identification; Palliser_Rockslide; Uncertainty
    Materialart: Dataset
    Format: text/tab-separated-values, 66 data points
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    DATA PANGAEA
  • 6
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    Alkalinity responses to climate warming destabilise the Earth’s thermostat (2023)
    Springer Nature
    In:  EPIC3Nature Communications, Springer Nature, 14(1), pp. 1648-1648, ISSN: 2041-1723
    Details
    Publikationsdatum: 2024-05-07
    Beschreibung: Alkalinity generation from rock weathering modulates Earth’s climate at geological time scales. Although lithology is thought to dominantly control alkalinity generation globally, the role of other first-order controls appears elusive. Particularly challenging remains the discrimination of climatic and erosional influences. Based on global observations, here we uncover the role of erosion rate in governing riverine alkalinity, accompanied by areal proportion of carbonate, mean annual temperature, catchment area, and soil regolith thickness. We show that the weathering flux to the ocean will be significantly altered by climate warming as early as 2100, by up to 68% depending on the environmental conditions, constituting a sudden feedback of ocean CO2 sequestration to climate. Interestingly, warming under a low-emissions scenario will reduce terrestrial alkalinity flux from mid-latitudes (–1.6 t(bicarbonate) a−1 km−2) until the end of the century, resulting in a reduction in CO2 sequestration, but an increase (+0.5 t(bicarbonate) a−1 km−2) from mid-latitudes is likely under a high-emissions scenario, yielding an additional CO2 sink.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev
    Format: application/pdf
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    ARTIKEL (OA)
  • 7
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    Rock avalanches and the pace of late Quaternary development of river valleys in the Karakoram Himalaya (2011)
    Geological Society of America (GSA)
    Details
    Publikationsdatum: 2011-09-01
    Beschreibung: We discuss the implications of a set of terrestrial cosmogenic nuclide (TCN) ages on blocky, cross-valley deposits of large rock avalanches along upper Indus streams. The dated deposits are key to understanding late Quaternary events that play a major role in landscape evolution in the Karakoram Himalaya. The landslides occurred between 3 and 8 ka ago, challenging existing chronologies of events along Indus streams. The TCN ages may support a mid-Holocene climatic role in preparing slopes for failure, but the balance of evidence suggests that large earthquakes triggered the landslides. Each landslide dammed the Indus or a major tributary and controlled base level and sedimentation for millennia. They produced landforms long regarded as characteristic of the region, including extensive lacustrine deposits, flights of river terraces, epigenetic gorges, and sediment fans. Until the 1990s, most of the landslides were interpreted as moraines; related lacustrine and other sediments continue to be attributed to glacial damming, and stream terraces to tectonic processes. Generally they were seen to originate tens of thousands to hundreds of thousands of years earlier than the new ages require. Instead we argue that they record interactions among different geomorphic processes in landslide-fragmented valleys during the Holocene. Rather than being geomorphic markers of tectonic and climatic events, the landslides have buffered or redirected climatic and tectonic forcing. In such an active orogen, millennia-long episodes of zero net bedrock incision at each site are surprising. However, rates of sedimentation above landslide barriers and erosion controlled by their breaching are close to today's high measured rates for geomorphic activity. We propose that landslide-fragmented rivers may, in fact, characterize interglaciations and future patterns of upper Indus landscape evolution at time scales of 103 to 104 years.
    Print ISSN: 0016-7606
    Digitale ISSN: 1943-2674
    Thema: Geologie und Paläontologie
    Publiziert von Geological Society of America (GSA)
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