Biogeosciences
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Articles | Volume 21, issue 19
Articles | Volume 21, issue 19
https://doi.org/10.5194/bg-21-4469-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-21-4469-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 19
Research article
 | 
14 Oct 2024
Research article |  | 14 Oct 2024

Riverine nutrient impact on global ocean nitrogen cycle feedbacks and marine primary production in an Earth system model

Miriam Tivig, David P. Keller, and Andreas Oschlies

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Short summary
Marine biological production is highly dependent on the availability of nitrogen and phosphorus. Rivers are the main source of phosphorus to the oceans but poorly represented in global model oceans. We include dissolved nitrogen and phosphorus from river export in a global model ocean and find that the addition of riverine phosphorus affects marine biology on millennial timescales more than riverine nitrogen alone. Globally, riverine phosphorus input increases primary production rates.
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