Alert Diver Category: Advanced Diving

Do you have enough breathing gas to complete the next dive? Here’s how to find out.

When I was young I read about Antarctic expeditions and was mesmerized by the alien worlds found under the ice. As incredible as it looked, I never imagined seeing it for myself. I enjoy all types of diving and underwater environments, and ice diving was another unique and challenging realm to explore — one that required furthering my dive education and skills. 

Some divers like closed-circuit rebreathers for their ability to provide breathing gas at a set partial pressure of oxygen throughout dives.

Public safety diving consists of team members who may be EMTs, firefighters, lifeguards, law enforcement officers and more. Public safety diving is notoriously dangerous and hard work.

Shipwrecks lure divers as much as they attract the sea life surrounding them. The spectacle of life on a wreck, an ecosystem unto itself, is often the main attraction for divers. Nearly every ocean, sea and lake holds a world of shipwreck exploration for advanced open-water divers. Each lost ship, submarine, airplane and even the odd locomotive is a time capsule waiting for an underwater explorer to visit and photograph. Never venture inside a shipwreck until you have advanced wreck-dive training from a certified, qualified dive training professional.

There is a moment in every dive — after the gear is checked, the team gives the final OK, and your body slips below the surface — that everything else fades.

In the aftermath of Hurricane Irma, science divers from multiple state, federal and independent organizations evaluated the health of the 360-mile-long Florida Reef Tract. Learn more about their discoveries and this effort.

Most scuba divers become passionate about underwater photography once submerged in the underwater world. Here are some great tips to up your underwater photography game.

Cold-water diving presents new challenges to divers, so they need the correct gear and the correct mindset. With these considerations in mind, they can prefect the cold-water dive.

People outside of the freediving community consider it to be a dangerous, extreme sport, but following proper safety protocols makes it quite safe.