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Showing 1–7 of 7 results
Advanced filters: Author: Torsten W. Vennemann Clear advanced filters

  • The recovery from the end-Permian mass extinction was slow and prolonged. A temperature reconstruction shows that further biotic crises during the recovery were associated with extreme warmth.

    • Carlo Romano
    • Nicolas Goudemand
    • Hugo Bucher
    Research
    Nature Geoscience
    Volume: 6, P: 57-60

  • Freshwater systems are important components of the carbon cycle, but the extent of their role in CO2 fluxes is poorly understood. Here Horgby and colleagues show that mountain streams are a surprisingly large source of CO2 to the atmosphere, with annual emissions that belie their spatial extent.

    • Åsa Horgby
    • Pier Luigi Segatto
    • Tom J. Battin
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Recent megathrust earthquakes have been documented to cause large-scale stress changes, although this has not been identified in a fossil system. Here, the authors present data that establish a link between the observations at active subduction zones and the structural record preserved in ancient mountain belts.

    • Armin Dielforder
    • Hauke Vollstaedt
    • Marco Herwegh
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-10

  • Polyaromatic hydrocarbons, derived from combusted biomass, are influenced by regional wildfire regimes during the Early Triassic, which are coupled with less intense hydrological cycles, altered vegetation succession, and potentially impacted long-term carbon sequestration, according to analyses of hydrocarbon abundances in shales.

    • Franziska R. Blattmann
    • Charline Ragon
    • Clayton R. Magill
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-8

  • The geodynamic evolution of mountain ranges can be reconstructed using the pressure recorded by minerals in metamorphic rocks, under the key assumption that rock pressure is lithostatic. Here, the authors challenge the lithostatic pressure paradigm by showing that there can be significant outcrop-scale pressure gradients due to compression- and reaction-induced stress.

    • Cindy Luisier
    • Lukas Baumgartner
    • Torsten Vennemann
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-11

  • The paleoseawater temperature record from the oxygen isotope compositions of fossil foraminifera tests may be biased by up to about 1 °C due to grain-boundary diffusion alone, according to isotope exchange experiments on foraminifera tests.

    • Arthur Adams
    • Damien Daval
    • Anders Meibom
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 4, P: 1-11