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Showing 1–17 of 17 results
Advanced filters: Author: Laurent Bopp Clear advanced filters

  • It is important to understand the combined effects of multiple changes on the ocean. Here the authors use time of emergence to highlight the increases in impacts of individual and compound changes globally from the surface to the deeper ocean, identifying areas most affected.

    • Zhetao Tan
    • Karina von Schuckmann
    • Lijing Cheng
    ResearchOpen Access
    Nature Climate Change
    Volume: 16, P: 58-68

  • Bottom-up and top-down approaches are used to quantify global nitrous oxide sources and sinks resulting from both natural and anthropogenic sources, revealing a 30% increase in global human-induced emissions between 1980 and 2016.

    • Hanqin Tian
    • Rongting Xu
    • Yuanzhi Yao
    Research
    Nature
    Volume: 586, P: 248-256

  • About 6% of the total uptake of carbon dioxide by the ocean is due to rainfall, according to an analysis of satellite observations and ERA5 reanalysis data from 2008 to 2018.

    • Laetitia Parc
    • Hugo Bellenger
    • David T. Ho
    ResearchOpen Access
    Nature Geoscience
    Volume: 17, P: 851-857

  • 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

  • Emergent constraints on tropical marine primary production increase confidence in a long-term decrease in primary productivity in response to rising sea surface temperatures. The most extreme projected declines in productivity are, however, unlikely.

    • Lester Kwiatkowski
    • Laurent Bopp
    • Roland Séférian
    Research
    Nature Climate Change
    Volume: 7, P: 355-358

  • Use of an enhanced suite of marine ecosystem models and Earth system model outputs from Phase 6 of the Coupled Model Intercomparison Project (CMIP6) reveals greater decline in mean global ocean animal biomass than previously projected under both strong-mitigation and high-emissions scenarios.

    • Derek P. Tittensor
    • Camilla Novaglio
    • Julia L. Blanchard
    ResearchOpen Access
    Nature Climate Change
    Volume: 11, P: 973-981

  • The Arctic Ocean is influenced by carbon and nutrients from rivers and erosion, but how this affects phytoplankton productivity is not understood. Here, the authors use a spatio-temporally resolved biogeochemical model to estimate that the input of carbon and nutrients fuels 28–51% of annual Arctic Ocean productivity.

    • Jens Terhaar
    • Ronny Lauerwald
    • Laurent Bopp
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Sea surface density observations in the Arctic Ocean reveal a relationship between the present-day surface water density and the anthropogenic carbon inventory and coincident acidification, suggesting that recent acidification projections are underestimates.

    • Jens Terhaar
    • Lester Kwiatkowski
    • Laurent Bopp
    Research
    Nature
    Volume: 582, P: 379-383

  • Efforts to control climate change require the stabilization of atmospheric carbon dioxide concentrations. An assessment of the trends in sources and sinks of atmospheric carbon dioxide suggests that the sinks are not keeping up with the increase in carbon dioxide emissions, but uncertainties are still large.

    • Corinne Le Quéré
    • Michael R. Raupach
    • F. Ian Woodward
    Reviews
    Nature Geoscience
    Volume: 2, P: 831-836

  • 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

  • Ocean biogeochemical models use coupled differential equations to describe the transformation of the ocean’s circulation, physical and biogeochemical properties under different conditions. This Primer introduces the process of model construction and explains the characteristics of various model types, from simple to complex, alongside their advantages and disadvantages.

    • Katja Fennel
    • Jann Paul Mattern
    • Liuqian Yu
    Reviews
    Nature Reviews Methods Primers
    Volume: 2, P: 1-21