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Showing 1–3 of 3 results
Advanced filters: Author: Torsten Bickert Clear advanced filters

  • Tectonic activity severely restricted the seaway connecting the tropical Pacific and Indian oceans sometime between about 3 and 4 million years ago. Ocean temperature and salinity reconstructions indicate that the Indonesian Gateway reached its present configuration about 2.95 million years ago, leading to the cooling and freshening of subsurface water in the tropical eastern Indian Ocean.

    • Cyrus Karas
    • Dirk Nürnberg
    • Torsten Bickert
    Research
    Nature Geoscience
    Volume: 2, P: 434-438

  • Multi-proxy core data and model simulations support the presence of temperate rainforests near the South Pole during mid-Cretaceous warmth, indicating very high CO2 levels and the absence of Antarctic ice.

    • Johann P. Klages
    • Ulrich Salzmann
    • M. Scheinert
    Research
    Nature
    Volume: 580, P: 81-86

  • Variability in northwest African humidity has been documented for the Holocene period, but less is known about the development of the hydrological balance during the Pleistocene period. Sedimentary records and numerical simulations for the past 120,000 years show abrupt millennial-scale changes in humidity, which may be related to changes in the strength of the North Atlantic meridional overturning circulation.

    • Rik Tjallingii
    • Martin Claussen
    • Ursula Röhl
    Research
    Nature Geoscience
    Volume: 1, P: 670-675