A Camera System For The Observation Of Deep-Sea Marine Life

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Abstract
A deep-sea camera system has been developed for observing events on the deep ocean floor for time periods as long as 100 hours. This lightweight system has principally been employed to observe deep benthic organisms. In this use, it freely descends to the ocean floor, where it is maintained by a ballast weight surrounded by bait. Lured into the field of view of the camera by the bait, the creatures are photographed at preset intervals. At a preselected time, the camera system is separated from the ballast weight and ascends to the surface for recovery. Photographs have shown large numbers of active organisms to depths of 20,000 feet, including large predators.

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