Despite their similarities, scuba diving requires special training, including troubleshooting equipment and using a regulator. Scuba shops may require proof of a diver certification to rent equipment, and many don't allow people to sign up unless they're certified. Snorkeling requires little training, and most people prefer shallow reefs from one to four meters deep. Diving to deeper reefs, however, requires considerable skill and fitness. Also, diving poses certain risks, including decompression sickness, oxygen toxicity, and refraction, which affect your vision underwater.
Orienting yourself underwater is difficult. There are fewer directional markers underwater and visibility is much worse. You must use different methods of navigation in order to stay on course. Below water, you need to follow the path left by waves, as well as your compass. Here are some tips on orienting yourself under the water. Also, make sure you have enough air. And remember to check your time and compass frequently.
Orienting yourself underwater starts before your dive, so do your homework before you go. First, learn about the dive site you're about to visit. Talk to a dive shop or dive professional in your area to get a dive site map. Ask them about prevailing currents and alternative exit points. If you're diving by yourself, try to get an overview from a nearby boat.
The difference between scuba diving and snorkeling is the level of equipment needed. Snorkeling is much easier, but still requires some preparation. While scuba divers wear wetsuits and scuba tanks, snorkelers do not. They are still vulnerable to predators and coral. They also need to use weights to fine-tune their buoyancy. Snorkelers also need fins to propel themselves through the water. Ultimately, the choice will depend on your own preference and experience level.
Snorkelers can't dive as deep as scuba divers. A good scuba diver can reach depths of about 30 metres (98 feet). However, the limits of snorkeling are more restrictive than those of scuba diving. Both can be dangerous, and scuba divers should dive in buddy pairs to avoid experiencing narcosis. A buddy scuba diver may not know to recognize the symptoms, and he or she may have to abort the dive for safety reasons.
If you have ever gone on a snorkeling trip, you have probably noticed the difference between deep water and shallow water. In the former, you are close to the underwater objects, and this gives you an up-close look. You can even take underwater photos without having to worry about dropping your camera or breath hold. In the latter, you'll need to be more careful to protect the reef walls and avoid damage to any delicate life.
Scuba divers can explore shipwrecks in deeper waters, and snorkelers can only explore a few of these sites. As you go deeper, the pressure on your body increases. If you're diving in water more than 40 meters deep, your body is forced to slowly return to the surface. As the pressure increases, your central nervous system is affected. It can also affect your consciousness and neuromuscular function.
If you're looking for a hassle-free vacation activity, you may want to consider snorkeling instead of scuba diving. Both sports require a certain amount of training and experience, but snorkeling is less expesnive and far more convenient. Snorkeling also requires less equipment than scuba diving and is a much more accessible activity for novices. Snorkeling also offers a closer look at the underwater world than scuba diving, which is why some people prefer it.
Compared to scuba diving, snorkeling requires less training, but both sports require a basic knowledge of swimming. Snorkeling is most commonly done on shallow reefs, but deeper dives require higher fitness. Snorkeling is also limited to shallow reefs because swimmers must hold their breath. For more advanced diving, it is important to take a scuba diving course, which may be expensive, but will give you more knowledge and confidence to enjoy your activities.