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Open water swimming is a swimming discipline which takes place in outdoor bodies of water such as open oceans, lakes, and rivers. Competitive open water swimming is governed by the International Swimming Federation, World Aquatics (formerly known as FINA), except when it is part of multi-sport events , which are governed by the World Triathlon .
In underwater diving, open water is unrestricted water such as a sea, lake, river, or flooded quarry.It is a contradistinction to an overhead environment, where there is a physical barrier to direct vertical ascent to the surface, and to a flooded confined space where there may not be enough room to maneuver freely.
Open Water 2: Adrift, a 2006 film about a group of friends who become stranded in the open sea without a means to escape. Open Water 3: Cage Dive, a 2017 film about a group who find themselves stranded in the ocean. The movie is presented through found footage filmmaking. Open Water, a 2021 novel by Caleb Azumah Nelson
It is the region of open sea beyond the edge of the continental shelf and includes 65% of the ocean's completely open water. The oceanic zone has a wide array of undersea terrain, including trenches that are often deeper than Mount Everest is tall, as well as deep-sea volcanoes and basins. While it is often difficult for life to sustain itself ...
An open lake is a lake where water constantly flows out under almost all climatic circumstances. Because water does not remain in an open lake for any length of time, dissolved solids do not accumulate, and such lakes are usually fresh water. Open lakes form in areas where precipitation is greater than evaporation. Because most of the world's ...
Open Water Diver (OWD) is an entry-level autonomous diver certification for recreational scuba diving.Although different agencies use different names, similar entry-level courses are offered by all recreational diving agencies and consist of a combination of knowledge development (theory), confined water dives (practical training) and open water dives (experience) suitable to allow the diver ...
The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word pelagic is derived from Ancient Greek πέλαγος (pélagos) 'open sea'. [1] The pelagic zone can be thought of as an imaginary cylinder or water column between the surface of the sea and the bottom.
Offshore aquaculture, also known as open water aquaculture or open ocean aquaculture, is an emerging approach to mariculture (seawater aquafarming) where fish farms are positioned in deeper and less sheltered waters some distance away from the coast, where the cultivated fish stocks are exposed to more naturalistic living conditions with ...