Ocean Science
Ocean Science
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Articles | Volume 17, issue 1
Articles | Volume 17, issue 1
https://doi.org/10.5194/os-17-383-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-17-383-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 1
Research article
 | 
22 Feb 2021
Research article |  | 22 Feb 2021

Can seafloor voltage cables be used to study large-scale circulation? An investigation in the Pacific Ocean

Jakub Velímský, Neesha R. Schnepf, Manoj C. Nair, and Natalie P. Thomas

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Latest update: 13 Jul 2025
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Short summary
Marine electromagnetic (EM) signals largely depend on three factors: the direction and speed of ocean flow, the strength of Earth’s main magnetic field, and seawater’s electrical conductivity (which depends on the local temperature and salinity). Because of this, there is interest in using marine EM signals to monitor and study ocean circulation. Our study investigates using voltage data from retired seafloor telecommunication cables in the Pacific Ocean to monitor large-scale flows.
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