Index of underwater diving: T–Z

The following index is provided as an overview of and topical guide to underwater diving: Links to articles and redirects to sections of articles which provide information on each topic are listed with a short description of the topic. When there is more than one article with information on a topic, the most relevant is usually listed, and it may be cross-linked to further information from the linked page or section.

Two divers wearing lightweight demand helmets stand back-to-back on an underwater platform holding on to the railings. The photo also shows the support vessel above the surface in the background.
Surface-supplied divers riding a stage to the underwater workplace

Underwater diving can be described as all of the following:

  • A human activity – intentional, purposive, conscious and subjectively meaningful sequence of actions. Underwater diving is practiced as part of an occupation, or for recreation, where the practitioner submerges below the surface of the water or other liquid for a period which may range between seconds to order of a day at a time, either exposed to the ambient pressure or isolated by a pressure resistant suit, to interact with the underwater environment for pleasure, competitive sport, or as a means to reach a work site for profit or in the pursuit of knowledge, and may use no equipment at all, or a wide range of equipment which may include breathing apparatus, environmental protective clothing, aids to vision, communication, propulsion, maneuverability, buoyancy control and safety equipment, and tools for the task at hand.

There are seven sub-indexes, listed here. The tables of content should link between them automatically:

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  • Tactical diver – Military scuba diver
  • Tactical Divers Group – Special operations force of the Argentine Navy.
  • Taifib – Indonesian amphibious reconnaissance unit
  • Talus cave – Type of cave
  • Tank weight – Ballast weight attached to a scuba cylinder
  • Taravana – Decompression sickness after breath-hold diving
  • Task loading – Relationship between operator capacity and the accumulated activities that must be done

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Subsection: Top of section, Ta, Te, Th, Ti, To, Tr, Tu, Tw, Ty

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  • Tidal race – Fast-moving tidal flow passing through a constriction, forming waves, eddies and strong currents
  • Tide – Rise and fall of the sea level under astronomical gravitational influences
  • Tillman, Albert – American educator and underwater diver
  • Timeline of diving technology, also known as Timeline of underwater diving technology – Chronological list of notable events in the history of underwater diving equipment
  • Time to surface (TTS) – Estimated ascent and decompression time from a given point on a dive profile
  • Tissue (biology) – Group of similar cells performing a specific function
  • Tissue gas loading – Amount of gas dissolved in a tissue
  • Tissue slab decompression model – A diffusion limited series tissue decompression model
  • Tissue slab diffusion model – Diffusion limited series tissue decompression model

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  • Tubesuit – Active heat transfer undergarment
  • Turbidity – Cloudiness of a fluid
  • Turkish Underwater Sports Federation (TSSF), also known as Türkiye Sualtı Sporları Federasyonu – Turkish national governing body for underwater sport and lifesaving
  • Turn pressure – Gas pressure at which the divers start the return from a dive

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Subsection: Top of section, Ta, Te, Th, Ti, To, Tr, Tu, Tw, Ty

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  • Uwatec – Manufacturer of dive computers

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  • Venting the rebreather loop, also known as venting the loop – Intentionally releasing gas from the breathing circuit}
  • Venture One diving accident – Saturation diving fatality in the North Sea in 1977
  • Vertical Blue – Freediving competition in The Bahamas at Dean's Blue Hole
  • Vertigo – Type of dizziness where a person has the sensation of moving or surrounding objects moving

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  • Δ-P (hazard) – Underwater hazard due to strong localised pressure differential

See also

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