Talk the Talk - What Is Visibility and What 5 Factors Affect It?
(About.com) Visibility is an estimation of water clarity and is defined as the distance a diver can see horizontally. Many divers abbreviate visibility with the slang term 'viz.' Visibility is given in units of distance, such as 'fifty feet of viz.' Learn about
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updated 1203 (Scuba Diving), inserted 10, updated 0, at 2012-05-27 10:23:25
