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Showing 1–4 of 4 results
Advanced filters: Author: Olivier Sulpis Clear advanced filters

  • About 50% of total dissolution of marine calcium carbonate occurs in the water column below 300 m depth while sinking to the seafloor, according to a reconstruction of settling fluxes of calcium carbonate in major oceanic regions from seawater observations.

    • Olivier Sulpis
    • Emil Jeansson
    • Jack J. Middelburg
    Research
    Nature Geoscience
    Volume: 14, P: 423-428

  • Results from a new model suggest that a deep-sea, carbonate version of galvanization, in which aragonite sacrifies itself to protect the underlying calcite, could explain the predominance of calcite over aragonite in the sediment record.

    • Olivier Sulpis
    • Priyanka Agrawal
    • Jack J. Middelburg
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Restoring coastal vegetated habitats can remove carbon from the atmosphere and store it as organic matter in sediments. A study now shows that these habitats also support seawater to store more carbon, and for longer, in its dissolved inorganic form.

    • Olivier Sulpis
    • Jack J. Middelburg
    News & Views
    Nature Sustainability
    Volume: 6, P: 1039-1040

  • Low-latitude planktonic foraminifera are coping with rapid ocean warming, acidification and nutrient shifts by migrating to deeper water-column depths or polewards, displacing higher-latitude species and reducing low-latitude diversity, ultimately being unable to adapt fast enough to survive in situ.

    • Sonia Chaabane
    • Thibault de Garidel-Thoron
    • Ralf Schiebel
    ResearchOpen Access
    Nature
    Volume: 636, P: 390-396