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Time-Lapse Photography of Munitions at Ordnance Reef

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Ordnance Reef, located just off the west coast of the island of O’ahu, Hawaii, is a shallow-water site (∼6-10 m water depth) where conventional munitions were disposed following World War II. Over the past decade, the site has been extensively mapped and sampled by the U.S. Army and National Oceanic and Atmospheric Administration (NOAA) using a wide variety of techniques. In the summer of 2011 at Ordnance Reef, we deployed an underwater time-lapse camera that was developed as part of a student science fair project to capture images of the interaction between the ocean environment and two munitions over an approximately 24-h period. During the deployment, the system photographed 10 species in the vicinity of munitions, three of which came into direct contact with munitions casings. Our project demonstrates that time-lapse photography could potentially be an inexpensive and effective approach for documenting the effects of munitions on the ocean environment and its residents.

Keywords: Hawaiian reef ecosystem; sea-disposed munitions; student science projects; underwater time-lapse photography

Document Type: Research Article


Publication date: 2012-05-01

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  • The Marine Technology Society Journal is the flagship publication of the Marine Technology Society. It publishes the highest caliber, peer-reviewed papers on subjects of interest to the society: marine technology, ocean science, marine policy and education. The Journal is dedicated to publishing timely special issues on emerging ocean community concerns while also showcasing general interest and student-authored works.
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