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Open ocean divers using a tether system for safety.

Open ocean divers using a tether system for safety.
Open ocean divers using a tether system for safety.
Open ocean divers using a tether system for safety.
Open ocean divers using a tether system for safety.
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39344
Madin, Laurence P.
Open ocean divers using a tether system for safety.
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12/14/1980
com/cullen/CF85-13a.jpg
Date approximate.
Image of The Day caption:
Open-ocean SCUBA diving from research vessels began to reveal more about the world of jellies during cruises in the 1970s. To make their collections and observations and avoid becoming lost in the vast ocean, the divers use a tether system, with one person serving as "safety" at its apex. Underwater lights enable them to make night dives to view and collect jellies when many species are more active and appear in greater numbers.
Caption from Down to the Sea for Science, pg. 143:
Open-ocean scuba diving from research vessels began to reveal more about the world of jellies during cruises in the 1970s. To make their collections and observations and avoid becoming lost in the vast ocean, the divers use a tether system, with one person serving as "safety" at its apex. Underwater lights enable them to make night dives to view and collect jellies when many species are more active and appear in greater numbers.
Photo by Larry Madin
© Woods Hole Oceanographic Institution
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