Strait
Simplified diagram
A
strait is a narrow channel of
water that connects two larger bodies of water, and thus lies between two land masses. The terms
strait,
channel, and
passage can be synonymous and interchangeable, although
channel has other meanings. 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.
Well-known straits in the world include the
English Channel, between
England and
France, which connects the
North Sea with the
Atlantic Ocean off France; the
Strait of Gibraltar, which is the only natural passage between the
Atlantic Ocean and the
Mediterranean Sea; the
Bosporus and the
Dardanelles, which connects the
Mediterranean and the
Black Sea; and the
Straits of Malacca, which lie between
Malaysia and
Sumatra and connect the
Indian Ocean with the
South China Sea.
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 that do not have water running in a single direction, and normally connect two seas.
Straits are the duals of isthmuses. That is, while straits lie between two land masses and connects two larger bodies of water, isthmuses lie between two bodies of water and connects two larger land masses.
See also: list of straits, physical geography
Category:Landforms
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