Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 17, issue 12
Articles | Volume 17, issue 12
https://doi.org/10.5194/essd-17-6763-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-6763-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 12
Data description article
 | 
04 Dec 2025
Data description article |  | 04 Dec 2025

NorESM-bcoi-v1: A bias-corrected reanalysis of ocean biogeochemistry at  >  40° N, 1980–2020, based on a global ocean model hindcast

Philip J. Wallhead, Jörg Schwinger, Jerry Tjiputra, Trond Kristiansen, and Richard G. J. Bellerby

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Short summary
We developed a novel method to combine ocean data from observations and models, and applied it to produce gridded estimates of nutrients, oxygen, dissolved inorganic carbon and total alkalinity concentrations at latitudes >40° N and years 1980–2020. The new estimates showed improved accuracy and coverage relative to previous estimates, but highlighted remaining uncertainty in some poorly sampled regions. The work was largely motivated by a need for accurate input data for regional ocean models.
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