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Showing 1–5 of 5 results
Advanced filters: Author: S. M. Sosdian Clear advanced filters

  • Deep Atlantic carbon storage increased and the meriodional overturning circulation weakened at the mid-Pleistocene transition to 100,000-year glacial–interglacial cycles, according to analyses of foraminifera trace elements and Nd isotopes.

    • J. R. Farmer
    • B. Hönisch
    • J. Kim
    Research
    Nature Geoscience
    Volume: 12, P: 355-360

  • In this study, the authors use planktic foraminiferal data to reconstruct ocean carbonate chemistry and temperature from 16.5 to 11 Ma from a size in the tropical eastern Indian Ocean to look at the causes of the Monterey Excursion (ME). They find a positive relationship between dissolved inorganic (DIC) carbon and the ME and a negative one for DIC and the carbon maxima events.

    • S. M. Sosdian
    • T. L. Babila
    • C. H. Lear
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-11

  • Modelling studies propose sea ice to be one of the underlying mechanisms for the Mid-Pleistocene transition. Here, the authors show Mid-Pleistocene subarctic North Pacific sea ice dynamics based on biomarkers and biogenic opal accumulation rates, supporting the importance of sea ice for climate change.

    • H. Detlef
    • S. T. Belt
    • S. Kender
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-11

  • Palaeoclimate records indicate lower El Niño/Southern Oscillation (ENSO) variance during the middle Holocene compared with today, but the mechanisms leading to this muted variability are not clear. A 175-year oxygen isotope record from a Porites coral microatoll in the NINO3.4 region records persistently reduced ENSO variance about 4,300 years ago, and season-specific analyses of the record suggest that insolation played an important role in this change.

    • H. V. McGregor
    • M. J. Fischer
    • C. D. Woodroffe
    Research
    Nature Geoscience
    Volume: 6, P: 949-953