Elsevier

Marine Geology

Volume 7, Issue 4, August 1969, Pages 357-363
Marine Geology

Short communication
Diving sled: A tool to increase the efficiency of underwater mapping by scuba divers

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Abstract

Towed sleds to assist divers in performing long observational traverses have been in use almost as long as SCUBA has been in existence. A newly designed “diving sled”, towed by a skiff at speeds of about 2–4 knots and controlled vertically by two horizontal elevators (diving planes) permits two diving scientists to make direct underwater observations over relatively large areas. Diver-to-surface and surface-to-diver communication is made possible by an underwater telephone system, and the divers' observations can be tape-recorded directly. The mapping of a part of the island shelf off Kephallinia (Greece) demonstrates the utility of this diving sled.

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