Recreational dive sites are specific places that recreational scuba divers go to enjoy the underwater environment or for training purposes. They include technical diving sites beyond the range generally accepted for recreational diving. In this context all diving done for recreational purposes is included. Professional diving tends to be done where the job is, and with the exception of diver training and leading groups of recreational divers, does not generally occur at specific sites chosen for their easy access, pleasant conditions or interesting features. Recreational dive sites may be found in a wide range of bodies of water, and may be popular for various reasons, including accessibility, biodiversity, spectacular topography, historical or cultural interest and artifacts (such as shipwrecks), and water clarity. Tropical waters of high biodiversity and colourful sea life are popular recreational diving tourism destinations. South-east Asia, the Caribbean islands, the Red Sea and the Great Barrier Reef of Australia are regions where the clear, warm, waters, reasonably predictable conditions and colourful and diverse sea life have made recreational diving an economically important tourist industry. Recreational divers may accept a relatively high level of risk to dive at a site perceived to be of special interest. Wreck diving and cave diving have their adherents, and enthusiasts will endure considerable hardship, risk and expense to visit caves and wrecks where few have been before. Some sites are popular almost exclusively for their convenience for training and practice of skills, such as flooded quarries. They are generally found where more interesting and pleasant diving is not locally available, or may only be accessible when weather or water conditions permit. While divers may choose to get into the water at any arbitrary place that seems like a good idea at the time, a popular recreational dive site will usually be named, and a geographical position identified and recorded, describing the site with enough accuracy to recognise it, and hopefully, find it again.
Dive sites The term dive site (from "dive" and "site", meaning "the place, scene, or point of an occurrence or event") is used differently depending on context. In professional diving in some regions it may refer to the surface worksite from which the diving operation is supported and controlled by the diving supervisor. This may alternatively be called the diving operation control site, dive base, or control point. The professional dive site may also legally include the underwater work site and the area between the surface control area and underwater work site. In recreational diving it generally refers to the underwater environment of a dive. Where a site is named, it generally refers to the locality around a specific feature, which may be reasonably conveniently visited during a dive centred or focused on that feature. Conventions may vary regionally. In some places a named dive site may refer to a specific route with a given starting point, in others it may refer more loosely to a larger region which is far bigger than a diver could reasonably visit on dives with a common point. Such regions may later be specified in more detail as they become better known, and what was originally referred to as a single site may become several sites when they are identified and described. Where a site is named for a shipwreck, it generally refers to the known extent of the wreckage, regardless of size. Synonyms include dive spot, dive location and diving site.
Bodies of water commonly used for recreational diving
Coastal dive sites Coastal dive site scan be in the sea or inland waters, but unless specified, generally refer to coastal areas on a continental shelf, or near an island in the sea. Sea and ocean shorelines, reefs and shoals are salt water sites and may support high biodiversity of life forms. Tropical coral reefs are the most popular diving tourism destinations. Rocky reefs are more widespread, and support a greater variety of ecosystems, though the local biodiversity is usually more limited. Shipwrecks are also common on some coasts, and are very popular attractions for a large number of divers. Unconsolidated sediment is less likely to be visited intentionally, though there are some muck diving sites known for interesting animals. Most dive sites are in coastal waters. Mainly because that is where most of the shallow water is, and also because they are more accessible from places suitable for human habitation. However, there are a significant number of regions known for good diving, which are relatively inaccessible to the traveller.
Inland dive sites Inland dive sites are in bodies of water within the coastline of a land mass, usually beyond the influence of perceptible tides. Lakes usually contain fresh water. Large lakes have many features of seas including wrecks and a variety of aquatic life. Depths may vary considerably, though they are shallow compared to the open ocean, and while surface water level may vary over the long term, they do not have noticeable tides, and seldom have significant currents. Some lakes are at high altitude and may require special considerations for altitude diving. Artificial lakes, such as clay pits, gravel pits, quarries and dams often have low visibility. Flooded quarries are popular in inland areas for diver training and sometimes also recreational diving. Rock quarries may have reasonable underwater visibility if there is not so much mud or silt to cause low visibility. As they are not entirely natural environments and usually privately owned, quarries often contain features intentionally placed for divers to explore, such as sunken boats, automobiles, aircraft, and abandoned machinery and structures. Flooded mines may provide the equivalent of flooded caves with an overhead environment, though generally with a known extent. Rivers generally contain fresh water but are often shallow and turbid and may have strong currents. Caves containing water provide interesting, though relatively hazardous, opportunities for exploration, and are found both inland and at the coast.
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