Dynamics of the island mass effect – Part 1: Detecting the extent

Bourdin, Guillaume; Karp-Boss, Lee; Lombard, Fabien; Gorsky, Gabriel; Boss, Emmanuel

doi:https://doi.org/10.5194/bg-22-3207-2025

Articles | Volume 22, issue 13

https://doi.org/10.5194/bg-22-3207-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-22-3207-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 22, issue 13

Research article

|

04 Jul 2025

Research article |

| 04 Jul 2025

Dynamics of the island mass effect – Part 1: Detecting the extent

Guillaume Bourdin, Lee Karp-Boss, Fabien Lombard, Gabriel Gorsky, and Emmanuel Boss

Supplement

https://doi.org/10.5194/bg-22-3207-2025-supplement

Data sets

Dynamics of Island Mass Effect: Detection Input & Output Data G. Bourdin https://doi.org/10.5281/zenodo.14927568

Pigment concentrations derived from High-Performance Liquid Chromatography (HPLC) analysis from samples collected during the Tara Pacific expedition from 2016-2018 G. Bourdin and L. Karp-Boss https://doi.org/10.26008/1912/bco-dmo.889930.1

TARA_PACIFIC_expedition G. Bourdin and E. Boss https://doi.org/10.5067/SeaBASS/TARA_PACIFIC_EXPEDITION/DATA001

Model code and software

Dynamics of Island Mass Effect: Multi-Satellite Binning Package G. Bourdin https://doi.org/10.5281/zenodo.13376825

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Short summary

Remote islands and atolls create unique oceanic processes that affect the surrounding waters, known as the island mass effect (IME). These processes input nutrients to the ocean surface, leading to an increasing phytoplankton concentration near islands. We combine data from various satellites and modeled currents to better track these changes. This reveals a larger IME impact than previously estimated, suggesting that islands play a more significant role in ocean food chains in subtropical regions.