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LECTURE: Tales of Mapping the South Pacific
LECTURE: Tales of Mapping the South Pacific

Wed, Feb 19

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Great Lakes Maritime Heritage Center

LECTURE: Tales of Mapping the South Pacific

Presented by Andrea Yoxsimer

Time & Location

Feb 19, 2025, 6:00 PM – 7:00 PM

Great Lakes Maritime Heritage Center, 500 W Fletcher St, Alpena, MI 49707, USA

About the event

Presented by Andrea Yoxsimer

Resource Protection Specialist, at Thunder Bay NMS


As of June 2024, only 26.1% of the world’s ocean have been mapped using high-resolution technologies, such as multibeam sonar systems.


To address this gap, the National Oceanic and Atmospheric Administration’s (NOAA) Office of Marine and Aviation Operations (OMAO) is actively contributing to the expansion of oceanic mapping by conducting sonar operations across the United States. During the 2023 field season, NOAA Ship Rainier undertook a mission to the Pacific Remote Island Area (PRIA) and American Samoa, where it conducted comprehensive mapping operations around both inhabited and uninhabited islands. Andrea was part of that team.


This lecture will provide an in-depth examination of the principles and functionality of multibeam sonar, explore the successes and challenges associated with conducting sonar operations in remote regions, and offer a detailed look into the experience of life aboard a 231-foot research vessel operating in the…



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