Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 20
Articles | Volume 19, issue 20
https://doi.org/10.5194/gmd-19-10223-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-10223-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 20
Model description paper
 | 
28 Oct 2026
Model description paper |  | 28 Oct 2026

OceanTracker 0.5: fast adaptable Lagrangian particle tracking in structured and unstructured grids

Ross Vennell, Laurin Steidle, Malcolm Smeaton, Romain Chaput, and Ben Knight

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Short summary
Ocean currents transport everything from pollution to marine larvae, but tracking millions of virtual particles to understand these movements typically requires weeks of computer processing. OceanTracker solves this bottleneck by being over ten times faster than existing tools, completing million-particle simulations in under an hour on standard computers. This speed breakthrough enables scientists to generate heat maps and analyze connectivity patterns between ocean regions.
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