Bühlmann tables

Bühlmann tables are decompression tablescite book |title=Decompression-Decompression Sickness |last=Bühlmann |first=A. A. |year=1984 |publisher=Springer-Verlag |location=Berlin New York |isbn=0387133089 ] developed by Dr. Albert Bühlmann, who did research into decompression theory at the Laboratory of Hyperbaric Physiology at the University Hospital in Zürich, Switzerland. [cite journal |author=Bühlmann AA |title= [Experimental principles of risk-free decompression following hyperbaric exposure. 20 years of applied decompression research in Zurich] |language=German |journal=Schweiz Med Wochenschr |volume=112 |issue=2 |pages=48–59 |year=1982 |pmid=7071573 ] The results of Bühlmann's research that began in 1959, was published in a 1983 German book entitled Decompression-Decompression Sickness. The book was regarded as the most complete public reference on decompression calculations and was used soon after in dive computer algorithms.

In 1987 the SAA Bühlmann System was developed. This system used the dive tables and a set of rules so that people could dive safely and stay below their no-decompression limit. The tables are still used today and are very popular, many dive computers still use the ZHL-8 algorithm and many tables are based on the ZHL-16 algorithm. These calculations also include considerations for repetitive [cite journal |author=Bühlmann A. A. |title=Decompression after repeated dives |journal=Undersea Biomed Res |volume=14 |issue=1 |pages=59–66 |year=1987 |issn=0093-5387 |oclc=2068005 |pmid=3810993 |url=http://archive.rubicon-foundation.org/3081 |accessdate=2008-04-25 ] and altitude diving. [cite journal |author=Böni M., Schibli R., Nussberger P., Bühlmann A. A. |title=Diving at diminished atmospheric pressure: air decompression tables for different altitudes |journal=Undersea Biomed Res |volume=3 |issue=3 |pages=189–204 |year=1976 |issn=0093-5387 |oclc=2068005 |pmid=969023 |url=http://archive.rubicon-foundation.org/2750 |accessdate=2008-04-24] [cite journal |author=Bühlmann AA, Schibli R, Gehring H |title= [Experimental studies on decompression following diving in mountain lakes at reduced air pressure] |language=German |journal=Schweiz Med Wochenschr |volume=103 |issue=10 |pages=378–83 |year=1973 |month=March |pmid=4144210 ] [cite journal |author=Bühlmann AA |title= [Decompression problems in diving in mountain lakes] |language=French |journal=Schweiz Z Sportmed |volume=37 |issue=2 |pages=80–3; discussion 99–102 |year=1989 |pmid=2799365 ] [cite journal |author=Bühlmann AA |title= [Decompression during lowered air pressure] |language=German |journal=Schweiz Med Wochenschr |volume=114 |issue=26 |pages=942–7 |year=1984 |pmid=6087447 ]

Many articles on the Bühlmann tables are available on the web. An example of an overview of the history of Bühlmann tables may be found at [http://www.dive-tech.co.uk/workman%20and%20buhlmann.htm Decompression Theory: Robert Workman and Prof A Bühlmann] . For an in-depth treatment of the mathematics involved see [http://njscuba.net/gear/trng_10_deco.html An Explanation of Professor A.A. Buehlmann's ZH-L16 Algorithm] while [http://www.lizardland.co.uk/DIYDeco.html DIY DECOMPRESSION] works through the steps involved in using the algorithm to write a decompression program.

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