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Dive Adventures Scuba Glossary is for scuba divers and anyone else interested in scuba diving terminology. To find the scuba glossary term that you are looking for click on the letters below to display the scuba glossary terms that begin with that letter. If you feel that we have missed a term from our scuba glossary or would like a term added to our scuba glossary please contact us so that we can add that term to our scuba glossary. Dive Adventures thanks you for visiting our scuba glossary and helping us to make it better for other scuba divers and those interested in scuba diving terminology Optionally you may select "All Terms" to display the entire list of terms from our scuba glossary database.
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G
Galley
Kitchen on a boat.
Gas absorption and elimination
Dissolved gases such as nitrogen are absorbed into the blood and tissues during the course of the dive. The level of saturation depends on the depth of the dive. The elimination of these gases is very important in preventing decompression sickness. The length of time required for elimination depends on the duration and depth of the dive.
Gas Analysis
A procedure whereby the fractions of gas in a breathing mixture are determined. Generally it is used to determine the fraction of oxygen to within 1 %, to control the effects of Oxygen toxicity. Most diving operations will analyse for oxygen only. In more complex Trimix's, it is be desirable to analyse for the inert gases as well.
Gas Laws
Laws that predict how gases will behave with changes in pressure, temperature and volume.
Gas Saturation
Gas saturation occurs when the level of dissolved gas in a particular body tissue has reached its maximum.
Gauge pressure
Pressure exclusive of atmospheric pressure, when diving, gauge pressure is due to the water pressure.
GDAT
Gorman Dive Adventures and Travel.
Giant Stride Entry
The most common method of entering water from a boat transom, pier, etc., where the standing diver takes a large step into the water while securely holding mask, tucking chin and bringing fins quickly together to keep himself at the surface for a controlled descent.
GoPro
GoPro cameras. Hero 3 Black, Siver and White. Miniture camera for all sports, above water and under. GoPro is a brand of the privately owned San Mateo, California company Woodman Labs that features "wearable" camera/camcorders such as helmet cameras that are targeted at adventure video/photography.
GPS
global positioning system. A worldwide system of navigation based on a ring of stationary satellites. Small, even handheld, GPS devices can be used to accurately determine speed and direction of travel, and pinpoint dive site locations.
Granny Line
Also known as a Gerry Line. A line which goes from the stern platform or hang bar to the anchor line.

There are 11 scuba glossary terms listed.

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Modified 12/04/2014