Borehole Fiber-Optic Cables for Monitoring Ocean Dynamics: Case Study from Australia

Sidenko, Evgenii; Glubokovskikh, Stanislav; Gurevich, Boris; Tertyshnikov, Konstantin; Shashkin, Pavel; Erbe, Christine; Pevzner, Roman

doi:10.1109/metrosea58055.2023.10317224

2023 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea) 2023

DOI: 10.1109/metrosea58055.2023.10317224

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Borehole Fiber-Optic Cables for Monitoring Ocean Dynamics: Case Study from Australia

Evgenii Sidenko,

Stanislav Glubokovskikh,

Boris Gurevich

et al.

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2024

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Cited by 1 publication

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Whale detection and microseismic monitoring via DAS using submarine telecommunications cables – a case study from the NWS, Western Australia

Debens,

McCorry,

Sidenko

et al. 2024

Aust. Energ. Prod. J.

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A monitoring trial of subsea distributed acoustic sensing (DAS) conducted in the marine waters of Australia is presented. This trial explores the concept of repurposing existing submarine telecommunications cables for remote monitoring of the environment and geophysical phenomena. The data were collected from a pre-existing fibre-optic cable, 50 km in length, that links two offshore hydrocarbon production platforms off the northwest coast of Australia. Initial data analyses confirmed the ability to detect underwater sounds from various sources, including marine animals (such as baleen whales), anthropogenic activities (such as vessels), and natural geophysical phenomena (such as earthquakes). The study underscores the efficacy of DAS for capturing and locating marine mammal vocalisations, specifically highlighting signals from pygmy blue whales – a species granted the highest protection status in Australia – and Omura’s whales, both of which migrate biannually through the offshore waters of Western Australia. These findings indicate the potential of subsea DAS for detecting and tracking marine fauna regionally. Moreover, they suggest its applicability for future monitoring in support of environmental impact assessments and the development of adaptive management strategies to prevent or minimise impacts on migratory whale species from offshore industries.

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Whale detection and microseismic monitoring via DAS using submarine telecommunications cables – a case study from the NWS, Western Australia

Debens,

McCorry,

Sidenko

et al. 2024

Aust. Energ. Prod. J.

View full text Add to dashboard Cite

show abstract

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Borehole Fiber-Optic Cables for Monitoring Ocean Dynamics: Case Study from Australia

Cited by 1 publication

References 28 publications

Whale detection and microseismic monitoring via DAS using submarine telecommunications cables – a case study from the NWS, Western Australia

Whale detection and microseismic monitoring via DAS using submarine telecommunications cables – a case study from the NWS, Western Australia

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