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Showing 1–9 of 9 results
Advanced filters: Author: Catherine Jeandel Clear advanced filters

  • Waves breaking on sandy beaches globally contribute a similar amount of dissolved silicon to oceans as that from rivers, according to a global analysis informed by experiments performed on a simulated quartz sand beach.

    • Marius Aparicio
    • Antoine Le Bihan
    • Ivana M. Mingo
    Research
    Nature Geoscience
    Volume: 18, P: 154-159

  • Neodymium isotopes are tracers for past and present ocean circulation and biogeochemistry. Here, the authors combine observations of neodymium and radium isotopes in the Amazon estuary and show that the rapid release of neodymium from river suspended sediments leaves a strong imprint on coastal sea water.

    • Tristan C. C. Rousseau
    • Jeroen E. Sonke
    • Catherine Jeandel
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Chemical weathering of silicate rocks occurs along a continuum from terrestrial to marine environments.

    • Gerrit Trapp-Müller
    • Jeremy Caves Rugenstein
    • Xu Y. Zhang
    Reviews
    Nature Geoscience
    Volume: 18, P: 691-701

  • Mineral dust and marine sediment resuspension are generally considered the primary sources of the nutrient iron to the oceans. Numerical model results suggest that iron released by hydrothermal activity is also an important source of dissolved iron, particularly in the Southern Ocean.

    • Alessandro Tagliabue
    • Laurent Bopp
    • Catherine Jeandel
    Research
    Nature Geoscience
    Volume: 3, P: 252-256

  • Ocean sediment records suggest that the modern Antarctic Circumpolar Current did not exist before the late Miocene cooling, indicating its origin is linked to the expansion of the Antarctic Ice Sheet.

    • Dimitris Evangelinos
    • Johan Etourneau
    • Carlota Escutia
    ResearchOpen Access
    Nature Geoscience
    Volume: 17, P: 165-170

  • Hydrothermal activity is recognized to be significant in regulating the dynamics of trace elements in the ocean. Here the authors report the first observational evidence of upwelled hydrothermally influenced deep waters stimulating massive phytoplankton blooms in the Southern Ocean.

    • Mathieu Ardyna
    • Léo Lacour
    • Hervé Claustre
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8

  • A study of a phytoplankton bloom in the Southern Ocean induced by the supply of iron from deep waters below finds that the efficiency of fertilization (the ratio of carbon exported to the ocean interior to the amount of iron supplied) is at least ten times higher than estimates from short-term experiments. This suggests that changes in the supply of iron from deep water to the surface ocean may have a greater effect on atmospheric carbon dioxide concentrations than previously thought.

    • Stéphane Blain
    • Bernard Quéguiner
    • Thibaut Wagener
    Research
    Nature
    Volume: 446, P: 1070-1074