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Strait
A '''strait''' is a narrow, navigable channel of water that connects two larger navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not navigable, for example because it is too shallow, or because it contains an unnavigable reef or archipelago. The terms ''strait'', ''channel (geography)|channel'', ''passage'', ''Sound (geography)|sound,'' and ''firth'' can be synonymous and interchangeable, although each is sometimes differentiated with varying senses. Many straits are economically important. Straits can lie on important shipping routes, and wars have been fought for control of these straits. Numerous artificial channels, called ''canals'', have been constructed to connect two bodies of water over land.
Although rivers and canals often form a bridge between two large lakes or a lake and a sea, and these seem to suit the formal definition of straits, they are not usually referred to as straits. Straits are typically much larger, wider structures.
Straits are the converse of isthmus|isthmi. That is, while straits lie between two land masses and connect two larger bodies of water, isthmi lie between two bodies of water and connect two larger land masses.
A strait is similar to an inlet although inlets typically pass through island land masses usually from a large body of water such as an ocean to a much smaller body such as a bay while straits pass through much larger land masses and connect much larger bodies of water such as seas and oceans.
Tidal power
Some straits have the potential to generate significant tidal power using Tidal power#Tidal stream generators|tidal stream turbines. Tides are more predictable than wave power or wind power. The Pentland Firth (actually a strait) may be capable of generating 10 GW.["Marine Briefing" (December 2006) Scottish Renewables Forum. Glasgow.] Cook Strait in New Zealand may be capable of generating 12GW.[Renewable energy development: Tidal Energy: Cook Strait]
Well-known straits
Well-known straits in the world include:
- Palk strait, between Bindi Land and Sri Lanka, the location of Adam's Bridge|Ram Sethu and rich in natural resources
- Strait of Dover, between England and France, which connects the North Sea with the English Channel
- Strait of Gibraltar, the only natural passage between the Atlantic Ocean and the Mediterranean Sea
- Bosporus and the Dardanelles, which connect the Mediterranean Sea|Mediterranean and the Black Sea
- Strait of Magellan, connecting the Atlantic and Pacific Oceans north of Tierra del Fuego
- Bering Strait between Alaska and Siberia, which connects the Pacific Ocean|Pacific and Arctic Oceans
- Strait of Hormuz connecting the Persian Gulf and the Oman Sea, through which Persian Gulf petroleum is shipped to the world
- Strait of Malacca, between Peninsular Malaysia and Sumatra, connecting the Indian Ocean with the South China Sea, is one of the highest-volume shipping lanes.
- Bass Strait, which lies between mainland Australia and Tasmania, and connects the Southern Ocean with the Pacific Ocean.
- Cook Strait, separating the North And South Islands of New Zealand
- The Bab el Mandeb, connecting the Red Sea and the Arabian Sea.
- The Skagerrak and Kattegat which connect the North Sea to the Baltic Sea.
- The Pentland Firth is more a strait than a firth. It separates the Orkney Islands from Caithness in the north of Scotland.
References
Category:Straits|
simple:Strait
Related Images- Diagram of a strait
- The Strait of Gibraltar as seen from space
(North is to the left: Spain is on the left and Africa on the right)
Sources: StartLearningNow, Wikipedia | Usage license: GNU FDL
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