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What is commonly known as no-decompression diving, or more accurately no-stop decompression, relies on limiting ascent rate for avoidance of excessive bubble formation. [16] The procedures used for decompression depend on the mode of diving, the available equipment, the site and environment and the actual dive profile.
The algorithm is now incorporated into many dive computers and advanced dive planning software. Today it enhances the safety of serious deep and technical divers. [63] NAUI's RGBM decompression tables were developed in 1997 exclusively for NAUI by Dr. Bruce Wienke and Tim O'Leary. [64]
Decompression status is the assumed gas loading of the diver's tissues, based on the chosen decompression model, and either calculated by a dive computer or estimated from dive tables by the diver or diving supervisor, and an indication of the decompression stress that will be incurred by decompressing to a lower ambient pressure. The ...
The US Navy has used several decompression models from which their published decompression tables and authorized diving computer algorithms have been derived. The original C&R tables used a classic multiple independent parallel compartment model based on the work of J.S.Haldane in England in the early 20th century, using a critical ratio exponential ingassing and outgassing model.
Basic decompression theory and use of decompression tables is part of the theory component of training for commercial divers, [130] and dive planning based on decompression tables, and the practice and field management of decompression is a significant part of the work of the diving supervisor.
BSAC nitrox decompression tables The PADI Nitrox tables are laid out in what has become a common format for no-stop recreational tables. Dive tables or decompression tables are tabulated data, often in the form of printed cards or booklets, that allow divers to determine a decompression schedule for a given dive profile and breathing gas. [6]
As technical diving computers became more reliable and more affordable, more divers started accepting them as the primary tool for dive and decompression monitoring, using the written schedule as a backup, but still planning the dive beforehand based on a specified maximum depth and bottom time, so that gas planning based on the planned profile ...
The intended dive profile is useful as a planning tool as an indication of the risks of decompression sickness and oxygen toxicity for the exposure, to calculate a decompression schedule for the dive, and also for estimating the volume of open-circuit breathing gas needed for a planned dive, as these depend in part upon the depth and duration ...