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In deeper diving, the scrubber needs to be bigger than is needed for a shallow-water or industrial oxygen rebreather, to provide longer dwell time, because of this effect. At low temperatures the scrubber reaction will be slower, and may not remove enough carbon dioxide if the dwell time is too short.
Separate diving procedures are developed for each mode of diving, such as air and mixed gas diving, inshore and offshore diving, or recreational and professional diving. Decompression tables , programs and algorithms that prescribe depth and time limitations are also a subset of procedures, and highlight the unique nature of the hyperbaric work ...
Narcosis while deep diving is prevented by breathing a gas mixture containing helium. Helium is stored in brown cylinders. The most straightforward way to avoid nitrogen narcosis is for a diver to limit the depth of dives. Since narcosis becomes more severe as depth increases, a diver keeping to shallower depths can avoid serious narcosis.
Deep diving is underwater diving to a depth beyond the norm accepted by the associated community. In some cases this is a prescribed limit established by an authority, while in others it is associated with a level of certification or training, and it may vary depending on whether the diving is recreational , technical or commercial .
The standard procedures and activities essential to safe diving in the chosen diving mode, using the chosen diving equipment, and in the chosen diving environment are inherently part of the activities of a dive. Monitoring the dive profile, gas supplies, decompression status, relative positions of the divers and communication associated with ...
Underwater diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as diving, an ambiguous term with several possible meanings, depending on context.
This is a glossary of technical terms, jargon, diver slang and acronyms used in underwater diving. The definitions listed are in the context of underwater diving. There may be other meanings in other contexts. Underwater diving can be described as a human activity – intentional, purposive, conscious and subjectively meaningful sequence of ...
The buddy may get into difficulty due to inattention or incompetence, and require a rescue that is hazardous to the rescuer. The buddy may get into difficulty and mishandle the situation or panic, creating an incident that is hazardous to both divers. Diving with a buddy is known to be competent and who can be trusted to behave responsibly. [62]