Scientists aim to build a detailed seafloor map by 2030 to reveal the secrets of the deep

Jul 20, 2021

Ocean mapping is now central to two major international initiatives. Image: Unsplash/ Michal Mrozek

Sean Mullan

Ocean Mapping Instructor, School of Ocean Technology, Memorial University of Newfoundland

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Survey ships with multibeam sonars map the depth of the seafloor by transmitting sound in a fan-shapped pattern, and then listening for reflections off the seabed. Image: National Ocean Service Image Gallery/flickr.com

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