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Ocean chemistry

Fingerprints of a trace nutrient

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Lack of dissolved iron in the sea limits biological productivity and the uptake of carbon dioxide. The sources of dissolved iron in the North Atlantic Ocean have been identified from isotopic variations of this trace nutrient. See Letter p.212

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Figure 1: Saharan dust blows north of the Canary Islands.

Jacques Descloitres, MODIS Rapid Response Team, NASA/GSFC

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Authors and Affiliations

  1. Joseph A. Resing is at the Joint Institute for the Study of the Atmosphere and Ocean, University of Washington, and NOAA-PMEL, Seattle, Washington 98115 USA.,

    Joseph A. Resing

  2. Pamela M. Barrett is in the Department of Oceanography, University of Washington, Seattle, Washington 98195 USA.,

    Pamela M. Barrett

Authors
  1. Joseph A. Resing
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  2. Pamela M. Barrett
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Correspondence to Joseph A. Resing or Pamela M. Barrett.

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Resing, J., Barrett, P. Fingerprints of a trace nutrient. Nature 511, 164–165 (2014). https://doi.org/10.1038/nature13513

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