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A Curious Story about Shipwrecks, Secrets, and Alluring Scent

A Curious Story about Shipwrecks, Secrets, and Alluring Scent

The sunset bright and red in the horizon; crisp au...

Home, Sweet Home -  Local Diving in Oklahoma and Arkansas

Home, Sweet Home - Local Diving in Oklahoma and Arkansas

They say home is where the heart is. The heart may...

One Breath: A Monterey Bay Experience

One Breath: A Monterey Bay Experience

"The story of this place - this sanctuary - lies h...

Kentucky Blues: Music, Lakes, Quarries, & More

Kentucky Blues: Music, Lakes, Quarries, & More

Kentucky is known for Bluegrass music, Kentucky Fr...

The Colorful World of Georgia’s Gray’s Reef

The Colorful World of Georgia’s Gray’s Reef

Off the shores of Georgia rests a diverse junction...

Santa Cruz Island

Santa Cruz Island

Offshore Southern California are eight islands, wh...

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Orange Beach Reefs: Alabama’s “Vitamin S…

12-09-2014

Resting on the edge of Alabama’s southeast shores, and west of Pensacola, Florida, Orange Beach, Alabama is a city strongly driven by two key focal points: a strong, bonded community...

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The Natural Wonders of Howe Sound

12-09-2014

Northwest of Vancouver, British Columbia, and resting at the Strait of Georgia, Howe Sound is a diving paradise offering relaxing opportunities for divers interested in scanning the surface and delving...

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Diving in Missouri: Exploring the Ozarks

12-09-2014

Somewhat removed from the main arteries of vacation travel, the varying lakes and waters of the Midwest beckon the observant explorer. Locals understand that these lakes offer the perfect opportunity...

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LIDA Sponsors Harbor School Students on …

12-08-2014

What a difference a year makes!With Sunday, September 28 boasting a bright, sunny sky, warm summer-like weather and perfect diving conditions at Shinnecock Inlet’s Ponquogue Bridge on Long Island, 25...

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All Aboard the Truth!

12-08-2014

The Truth is the original Truth Aquatics boat, and thanks to regular updates and maintenance it remains a world-class liveaboard diving and excursion vessel. It is an ideal entry level...

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A Curious Story about Shipwrecks, Secret…

11-06-2014

The sunset bright and red in the horizon; crisp autumn air chilling; night falling fast; southwest wind leaning into whispers; the Captain, Sinclair,  and first mate, John Virgin, drawing their...

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Home, Sweet Home - Local Diving in Okla…

11-05-2014

They say home is where the heart is. The heart may wander, explore, yearn to try something new; but eventually it returns to the warmth and familiarity it knows and...

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One Breath: A Monterey Bay Experience

11-04-2014

"The story of this place - this sanctuary - lies hidden by time. It's a story of change revealed by context and perspective: a story born of water and dreams;...

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Kentucky Blues: Music, Lakes, Quarries, …

10-06-2014

Kentucky is known for Bluegrass music, Kentucky Fried Chicken founder Colonel Harland Sanders, Johnny Depp, Mohammed Ali, Jim Bowie, and Daniel Boone’s adventures exploring, but the one person from this...

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The Benefits of Mastering Buoyancy Control

  • Written by Diver's Alert Network
  • Hits: 1868

Successful control of buoyancy affects all aspects of diving safety. Divers with poor buoyancy control are more likely to struggle throughout a dive. Inefficient buoyancy control can affect air consumption, exertion and risk of injury. Experts in dive medicine, training and research provide valid reasons for developing and maintaining good buoyancy skills.

 

Buoyancy cannot be mastered once without practice and attention to detail. The physics of descending and ascending require conscious adjustment based on exposure protection, dive environment and choice of equipment.

Weight adjustments
Buoyancy control begins with proper weighting. The amount of weight you select should allow you to descend, not make you sink. Different exposure suits require different amounts of weight to attain proper buoyancy. In addition, whether your dive environment is freshwater or saltwater influences your waiting; freshwater is less buoyant than saltwater.

Understand your equipment
The buoyancy control device (BCD) is a complex piece of equipment. To master buoyancy, it is imperative to understand the workings of your personal BCD.

Know where the inflator and deflator mechanisms are on your BCD as well as on your dive buddy’s equipment.  Be aware of how your BCD responds to the addition or venting of small amounts of air.  Identify the location of your releases as well as on your buddy’s equipment and how to use them; you need to be able to access these in the event of an emergency.
Properly maintain and service your BCD.

Avoid injuries
It is not surprising that the most common injuries among divers are related to buoyancy issues; inefficient buoyancy control is also a noted contributor to diving fatalities. Improper buoyancy can cause a diver to descend deeper than planned, which changes the dive profile and can increase air consumption. Constant adjustments to buoyancy can also increase air consumption. The worst case scenario is an uncontrolled ascent, which is the number one harmful event associated with diving fatalities.

An uncontrolled ascent places the diver at risk for a lung overexpansion injury (pulmonary barotrauma) and substantially increases the risk for an arterial gas embolism.
Ear injuries are also commonly associated with ineffective buoyancy control. During descent, if a diver feels uncomfortable pressure in the middle ears or sinuses, he should stop his descent, ascend until the pressure resolves, attempt to equalize and, if successful, continue to descend.
If a diver experiences a reverse block on ascent, he should descend a bit and attempt to equalize. If successful, he can continue the ascent. These procedures are very difficult to execute without proper buoyancy control.

Most marine life injuries are the result of unintentional contact between a diver and the marine life. Proper buoyancy control is essential to protect ourselves and the environment. Anyone who has sustained a marine life injury or an ear injury will attest that both experiences are unpleasant and even painful. Regardless of your personal tolerance, pain is not conducive to logical thought processes and decision making. In a moment of stress or panic, poor choices can be made and accepted safe practices forgotten.

Mastering buoyancy requires ongoing practice and adjustments. The benefits of buoyancy control are definitely worth the investment of time, maintenance and practice to enhance your diving and
avoid injury.

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