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Seafloor Mapping

Discovering Deepwater Jarvis

The Pacific Remote Islands Marine National Monument was founded in 2009. The Monument was expanded in 2014 to include protection of Jarvis Island, which is about 1,000 miles south of Hawaii. Prior to the Mountains in the Deep expedition, very little seafloor mapping had been done in the area and no remotely operated vehicle (ROV) dives had ever been conducted; however, over the course of the expedition, scientists mapped the area with high-resolution multibeam and conducted five ROV dives. The dives offered the first-ever glimpses at the deepwater habitats around Jarvis and were described by members of the science party as being ‘amazing.’ Beyond the ‘wow factor,’ data collected during the expedition will help establish baseline information about the geology and biology in the area, providing the foundation for better management moving forward.

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