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Also: spring or resurgence. Cave where water flows out of the entrance used for diving. The flow will generally help divers on the way out. sink See: sink A cave where water flows into the entrance used for diving, which can hinder divers from getting out. sump See: sump A locally low-lying water filled passage of a cave. A cave may have several sumps separated by unflooded or partially ...
Appropriate safety equipment and procedures to avoid getting lost (cave lines). [23] Specific training for overhead diving. See cave diving and wreck diving. [23] Assess stability of underwater structures and avoid entry if a structure is unstable. Inhalation of salt spray Salt water aspiration syndrome: a reaction to salt in the lungs.
A silt out or silt-out is a situation when underwater visibility is rapidly reduced to functional zero by disturbing fine particulate deposits on the bottom or other solid surfaces. This can happen in scuba and surface supplied diving , or in ROV and submersible operations, and is a more serious hazard for scuba diving in penetration situations ...
The most obvious of these is the potential to get lost in an environment where the diver cannot simply ascend to the surface, such as the inside of a wreck or cave, or underneath a large ship. The risk is much greater for scuba divers as surface supplied divers have a secure breathing gas supply, and can follow the umbilical out of the overhead ...
A cave diver running a reel with guide line into the overhead environment. Cave diving is underwater diving in water-filled caves.The equipment used varies depending on the circumstances, and ranges from breath hold to surface supplied, but almost all cave diving is done using scuba equipment, often in specialised configurations with redundancies such as sidemount or backmounted twinset.
Sistema Sac Actun (Yucatec Maya: sak aktun, lit. 'white cave', Spanish: sistema, lit. 'system') is an underwater cave system situated along the Caribbean coast of the Yucatán Peninsula with passages to the north and west of the city of Tulum.
Diving safety is the aspect of underwater diving operations and activities concerned with the safety of the participants. The safety of underwater diving depends on four factors: the environment, the equipment, behaviour of the individual diver and performance of the dive team.
Basic Cave Diving: A Blueprint for Survival, also commonly referred to by the subtitle alone, A Blueprint for Survival, is a short book on safe scuba diving procedures for cave diving by pioneer cave diver Sheck Exley, originally published in 1979, by the Cave Diving Section of the National Speleological Society. It is considered to have had a ...