Q4 2023 Archives

Freediving Risk Assessments

November 20, 2023 By Jim Chimiak, MD, and Juan Valdivia-Valdivia, MD

THE RAPID GROWTH OF FREEDIVING in the U.S. brings a positive light to a sport that is mentally healthy and physically inspiring but has little tolerance for error. Shallow-water blackout […]

consequences of freediving, Rehearse underwater and surface rescue techniques , breath-hold limits, in-water briefing, freediving-specific first aid course, Juan Valdivia, freediving certification, EAP for freediving, certified freedivers, emergency action plan (EAP), respiratory barotrauma when freediving, freediving safety practices, Shallow-water blackout when freediving, Alert Diver magazine Q4 2023

Best Practices for Disinfecting Dive Equipment

November 20, 2023 By Francois Burman, Pr.Eng, MSc

AFTER THE INITAL SCARE AND LOCKDOWNS FROM COVID-19, divers soon started to explore ways to safely get back into the water. Disinfection has always been a consideration in diving, but […]

Disinfection of dive gear, cleaning, sanitizing, and disinfecting dive gear, cleaning dive gear, pathogens in dive gear, surface contaminants, infectious germs, fungus, mold, bacteria, communal rinse buckets, sanitizing solutions, rental dive gear, immerse dive gear for two minutes in a 2 percent solution of bleach and water, precautions to achieve infection control, Alert Diver magazine Q4 2023

Geri Murphy

November 20, 2023 Text by Stephen Frink | photos and captions by Geri Murphy

BEFORE THE INTERNET WAS AVAILABLE, people read print magazines to learn about scuba diving — how to do it, what gear to buy, and where to go. For 51 years, […]

underwater photojournalist Gery Murphy, underwater photography, underwater script supervisor The Deep, visual continuity in The Deep, Great White Shark photos, Paul Tzimoulis, the publisher of Skin Diver, Skin Diver magazine photographer, New Jersey Wreck Diver, Stingray City, Women Divers Hall of Fame, International Scuba Diving Hall of Fame, th queen of cover photography for Skin Diver is Geri Murphy Alert Diver magazine Q4 2023

St. Eustatius

November 20, 2023 Text and photos by Mike Bartick

WHEN I THINK OF PARADISE, it’s warm blue water, friendly people, and pristine, uncrowded dive sites. Such places are rare these days and are usually expensive to visit — or that’s what I thought until I learned about St. Eustatius, a tiny island in the Caribbean that is also known as Statia.

caves and niches at Vis Island create environments rich in sponges, gorgonians, bryozoans, tunicates, encrusting algae, yellow polyps, and various soft corals, Alert Diver magazine Q4 2023, Vis Island, Croatia, Two dive spots off the bay of Komiža — Sika 3 and Sika 6, , The wreck of the steamship Vassilios T., Conger eels inhabit the shallow wreck ofthe steamship Teti , B-24 Liberator nicknamed “Tulsamerican, B-17 Flying Fortress, The Adriatic Sea is a crossroads of old trade and more modern military routes, scorpionfish, lobsters, and dogfish , Red sea fans, caves and niches at Vis Island create environments rich in sponges, gorgonians, bryozoans, tunicates, encrusting algae, yellow polyps, and various soft corals, jewel anemones, hydroids, and crinoids

Recovering Color in Underwater Photography

November 20, 2023 By Logan Wood

IMAGINE SCROLLING THROUGH SOCIAL MEDIA posts or flipping through your favorite dive magazine. Your eye catches a photo of the most pristine waters you have seen. The sun is peeking […]

underwater photography, white balance, color loss or underwater photos, Green and blue are the only colors left past 60 feet (18 meters), green and blue tones overpower the reds, yellows, and purples, white balance, color temperature, color depth chart, white light spectrum as depth increases, color shift at depth, shoot in a RAW photo format, setting white balance, Alert Diver magazine Q4 2023

Vis Island, Croatia

November 20, 2023 Text by Sabrina Belloni; photos by Franco Banfi

THE CRYSTAL-CLEAR EASTERN ADRIATIC SEA is promising and seductive. The tiny islands, with their rocky beaches, upright cliffs, and hidden lakes, offer a variety of environments and ecosystems that are […]

Blame the Ballast

November 20, 2023 By Sarah Egner

MARITIME TRANSPORT HAS MORE TO DO WITH CORAL DISEASE than you might think. Just like most animals, corals can get diseases. Researchers first recognized coral disease in the early 1970s. […]

coral disease from ballast water, connection between coral disease and maritime transport, ships, ballast, coral disease, coral bleaching, human influences on coral disease, microscopic organisms called ciliates, ballast water exchange (BWE) ballast water management, control your dive buoyancy to protect coral, decontaminate dive gear to protect coral, Alert Diver magazine Q4 2023

The Two Faces of Tobago

November 20, 2023 Text and photos by Steve Rosenberg

DIVING IN TOBAGO is defined by the abundance and diversity of marine life in its surrounding waters. Tobago, one of the two islands comprising the Republic of Trinidad and Tobago, […]

DIVING IN TOBAGO, diversity of marine life , Mount Irvine Wall, Flying Reef, Parlatuvier Bay, Englishman’s Bay, and Castara Bay, Kelleston Drain ,Bookends, a site just south of Tyrrel’s Bay near Speyside, Japanese Gardens for a relatively slow drift dive, London Bridge is an advanced dive site, Tyrrel’s Bay, Republic of Trinidad and Tobago, Tobago’s marine environment., Alert Diver magazine Q4 2023, Diving in Tobago

Freediving Fins Reinvented

November 20, 2023 By Mark Laboccetta

IN THE 1900s UMBERTO PELIZZARI was a young diver from Busto Arsizio, Italy, who was making headlines by breaking world records in constant weight and variable weight freediving. Needing an […]

Carbon fiber fins, safer freediving, Alert Diver magazine Q4 2023

Outdoor Fitness Training

November 20, 2023 Text by Jessica B. Adams, PhD, Cassandra Adams, and Lucas Adams; photos by Stephen Frink

PLAYGROUNDS ARE GREAT PLACES for an outdoor workout while traveling. Most local parks have equipment that can facilitate the exercises in this article. Adult fitness playgrounds are ideal but less […]