Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 17
Articles | Volume 18, issue 17
https://doi.org/10.5194/gmd-18-5891-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-5891-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 17
Model evaluation paper
 | 
11 Sep 2025
Model evaluation paper |  | 11 Sep 2025

Offline Fennel: a high-performance and computationally efficient biogeochemical model within the Regional Ocean Modeling System (ROMS)

Júlia Crespin, Jordi Solé, and Miquel Canals

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Short summary
This study presents the Offline Fennel model, a tool designed to simulate ocean biogeochemical processes efficiently. By using existing hydrodynamic data, the model significantly reduces computation time from 6 h to just 30 min. We tested its accuracy in the northern Gulf of Mexico and found it closely matches physical–biogeochemical coupled simulations. This model allows researchers to conduct more tests and simulations without the need for extensive computational resources.
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