In underwater diving, open water is unrestricted water such as a sea, lake or flooded quarries. It is the opposite of confined water (usually a swimming pool) where diver training takes place. Open water also means the diver has direct vertical access to the surface of the water in contact with the Earth's atmosphere.Open water diving implies that if a problem arises, the diver can directly ascend vertically to the atmosphere to breathe air. Penetration diving—involving entering caves or wrecks, or diving under ice—is therefore not "open water diving". In some contexts the lack of a decompression obligation is considered a necessary condition for classification of a dive as an open water dive, but this does not affect the classification of the venue as open water.
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| - Acque libere (it)
- Open-water diving (en)
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| - In underwater diving, open water is unrestricted water such as a sea, lake or flooded quarries. It is the opposite of confined water (usually a swimming pool) where diver training takes place. Open water also means the diver has direct vertical access to the surface of the water in contact with the Earth's atmosphere.Open water diving implies that if a problem arises, the diver can directly ascend vertically to the atmosphere to breathe air. Penetration diving—involving entering caves or wrecks, or diving under ice—is therefore not "open water diving". In some contexts the lack of a decompression obligation is considered a necessary condition for classification of a dive as an open water dive, but this does not affect the classification of the venue as open water. (en)
- Il termine acque libere è comunemente utilizzato, specie nelle didattiche per l'insegnamento del nuoto o della subacquea, per far riferimento a quegli ambienti acquatici dove non c'è una delimitazione protettiva dell'area: in pratica quando l'attività è svolta al mare o in un lago. Il brevetto di sub base spesso è chiamato anche Open o Open water, ovvero acque libere in inglese: questo perché abilita per la prima volta il subacqueo all'immersione in acque non confinate. https://www.circuitogranfondoitalia.it/gfi/ Circuito di gare di nuoto in acque libere (it)
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| - In underwater diving, open water is unrestricted water such as a sea, lake or flooded quarries. It is the opposite of confined water (usually a swimming pool) where diver training takes place. Open water also means the diver has direct vertical access to the surface of the water in contact with the Earth's atmosphere.Open water diving implies that if a problem arises, the diver can directly ascend vertically to the atmosphere to breathe air. Penetration diving—involving entering caves or wrecks, or diving under ice—is therefore not "open water diving". In some contexts the lack of a decompression obligation is considered a necessary condition for classification of a dive as an open water dive, but this does not affect the classification of the venue as open water. Swim-throughs – the recreational diving term for arches and short, clear, tunnels where the light can be seen at the far end, are technically an overhead environment, but this is often overlooked by divers as there is no risk of getting lost inside, and the risk of entrapment is generally low. Divers progress from learning diving skills in confined water such as a swimming pool to practicing skills in open water in which the environment is not restricted to a small, controlled locality and depth, with conditions more typical of a natural body of water which might be used by divers, and the range of hazards and associated risk is significantly expanded. In this context confined water is a special case of open water, as it complies with the more general condition of unobstructed access to the surface. Some recreational diver certification agencies use a variation on this term in the title of their entry level certification. Open Water Diver certification implies that the diver is competent to dive in unrestricted water, with various constraints regarding the conditions, and particularly that their competence is limited to diving in open water with free access to the surface. (en)
- Il termine acque libere è comunemente utilizzato, specie nelle didattiche per l'insegnamento del nuoto o della subacquea, per far riferimento a quegli ambienti acquatici dove non c'è una delimitazione protettiva dell'area: in pratica quando l'attività è svolta al mare o in un lago. Le acque libere sono intrinsecamente un luogo più pericoloso rispetto alle acque delimitate per via del minor grado di controllo che si può mantenere sull'ambiente: un tratto di mare, magari attraversato da traffico marittimo, presenta maggiori rischi potenziali rispetto ad una piscina o ad un'area recintata destinata ai bagnanti. Il brevetto di sub base spesso è chiamato anche Open o Open water, ovvero acque libere in inglese: questo perché abilita per la prima volta il subacqueo all'immersione in acque non confinate. https://www.circuitogranfondoitalia.it/gfi/ Circuito di gare di nuoto in acque libere (it)
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