ArticleScientific reports2021
Magnitude of nitrate turbulent diffusion in contrasting marine environments.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Topographically driven vigorous vertical mixing supports mesoscale biological production in the Tsugaru Gyre.Nature communications · 2025Article
- A case for an active eukaryotic marine biosphere during the Proterozoic era.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
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Authors and funding
10 authors.
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Abstract
Difficulties to quantify ocean turbulence have limited our knowledge about the magnitude and variability of nitrate turbulent diffusion, which constitutes one of the main processes responsible for the supply of nitrogen to phytoplankton inhabiting the euphotic zone. We use an extensive dataset of microturbulence observations collected in contrasting oceanic regions, to build a model for nitrate diffusion into the euphotic zone, and obtain the first global map for the distribution of this process. A model including two predictors (surface temperature and nitrate vertical gradient) explained 50% of the variance in the nitrate diffusive flux. This model was applied to climatological data to predict nitrate diffusion in oligotrophic mid and low latitude regions. Mean nitrate diffusion (~ 20 Tmol N y
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