A metal pole extends over calm ocean waters, with clouds and sunlight above.
Pole-Mounted Multibeam Sonar
Image courtesy of Characterizing Variability in Pacific Northwest Methane Seeps Using a Fleet of Small AUVs.
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The pole-mounted multibeam sonar, which was used during the 2024 expedition to map the seafloor and search for bubble plumes in the acoustic water-column backscatter data.