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E/V Nautilus 2021 Mapping: US West Coast to Papahānaumokuākea Marine National Monument
In 2021, E/V Nautilus expeditions covered broad areas of the northern and eastern Pacific, mapping the seafloor with the ship's multibeam sonar and sub-bottom profiler. Mapping provides the foundation for expeditions by modeling seafloor geomorphology in advance of exploratory ROV dives. New ma...
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Published in: | Oceanography (Washington, D.C.) D.C.), 2022-03, Vol.35 (1), p.24 |
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Main Authors: | , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | In 2021, E/V Nautilus expeditions covered broad areas of the northern and eastern Pacific, mapping the seafloor with the ship's multibeam sonar and sub-bottom profiler. Mapping provides the foundation for expeditions by modeling seafloor geomorphology in advance of exploratory ROV dives. New mapping data also contribute to a primary goal of the National Strategy for Mapping, Exploring, and Characterizing the United States Exclusive Economic Zone (NOMEC, June 2020), add to the Global Multi-Resolution Topography (GMRT) data synthesis, and support the broader global goals of producing a complete global seabed model under the Nippon FoundationGEBCO Seabed 2030 project (SB2030). The 2021 Nautilus mapping resulted in a total mapped area of 107,246 km2 of seafloor, including 80,829 km2 within the US Exclusive Economic Zone (EEZ), along 22,904 km of trackline. |
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ISSN: | 1042-8275 2377-617X |