Biogeosciences
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Articles | Volume 14, issue 18
Articles | Volume 14, issue 18
https://doi.org/10.5194/bg-14-4125-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-4125-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 18
Research article
 | 
21 Sep 2017
Research article |  | 21 Sep 2017

Inverse-model estimates of the ocean's coupled phosphorus, silicon, and iron cycles

Benoît Pasquier and Mark Holzer

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Short summary
We construct a model of the ocean's coupled phosphorus, silicon, and iron cycles and optimize its biogeochemical parameters. State estimates for widely differing iron sources are consistent with observations because of compensation between sources and sinks. Export production and the patterns of export supported by each iron source type (aeolian, sedimentary, hydrothermal) are well constrained. The fraction of export supported by each iron type varies systematically with its fractional source.
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