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Contents

   



(Top)
 


1 Terminology  





2 Comparisons  





3 Navigational (legal) regime  





4 See also  





5 References  





6 Bibliography  





7 External links  














Strait






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From Wikipedia, the free encyclopedia
 

(Redirected from Straits)

Strait of Gibraltar

Astrait is a landform connecting two seas or two water basins. While the landform generally constricts the flow, the surface water still flows, for the most part, at the same elevation on both sides and through the strait in both directions. In some straits there may be a dominant directional current through the strait. Most commonly, it is a narrowing channel that lies between two land masses. Some straits are not navigable, for example because they are either too narrow or too shallow, or because of an unnavigable reeforarchipelago. Straits are also known to be loci for sediment accumulation. Usually, sand-size deposits occur on both the two opposite strait exits, forming subaqueous fansordeltas.

Terminology[edit]

Palosaari Strait (Brändö sund) in Vaasa, Finland

The terms channel, pass, or passage can be synonymous and used interchangeably with strait, although each is sometimes differentiated with varying senses. In Scotland, firthorKyle are also sometimes used as synonyms for strait.

Many straits are economically important. Straits can be important shipping routes and wars have been fought for control of them.

Numerous artificial channels, called canals, have been constructed to connect two oceans or seas over land, such as the Suez Canal. Although rivers and canals often provide passage between two large lakes, and these seem to suit the formal definition of strait, they are not usually referred to as such. Rivers and often canals, generally have a directional flow tied to changes in elevation, whereas straits often are free flowing in either direction or switch direction, maintaining the same elevation. The term strait is typically reserved for much larger, wider features of the marine environment. There are exceptions, with straits being called canals; Pearse Canal, for example.

Comparisons[edit]

Straits are the converse of isthmuses. That is, while a strait lies between two land masses and connects two large areas of ocean, an isthmus lies between two areas of ocean and connects two large land masses.

Some straits have the potential to generate significant tidal power using tidal stream turbines. Tides are more predictable than wave powerorwind power. The Pentland Firth (a strait) may be capable of generating 10 GW.[1] Cook Strait in New Zealand may be capable of generating 5.6 GW[2] even though the total energy available in the flow is 15 GW.[3]

Navigational (legal) regime[edit]

Straits used for international navigation through the territorial sea between one part of the high seas or an exclusive economic zone and another part of the high seas or an exclusive economic zone are subject to the legal regime of transit passage (Strait of Gibraltar, Dover Strait, Strait of Hormuz). The regime of innocent passage applies in straits used for international navigation (1) that connect a part of high seas or an exclusive economic zone with the territorial sea of a coastal nation (Straits of Tiran, Strait of Juan de Fuca, Strait of Baltiysk) and (2) in straits formed by an island of a state bordering the strait and its mainland if there exists seaward of the island a route through the high seas or through an exclusive economic zone of similar convenience with respect to navigational and hydrographical characteristics (Strait of Messina, Pentland Firth). There may be no suspension of innocent passage through such straits.[4]

See also[edit]

References[edit]

  1. ^ "Marine Briefing" (December 2006) Scottish Renewables Forum. Glasgow.
  • ^ "The Energetics of Large Tidal Turbine Arrays, Ross Vennell, 2012, preprint submitted to Royal Society, 2011."
  • ^ "Estimating the power potential of tidal currents and the impact of power extraction on flow speeds. Ross Vennell, 2011" doi:10.1016/j.renene.2011.05.011
  • ^ Bugajski, Dariusz R. (2021). Navigational rights and freedoms in the international law and practice. pp. 305–308. ISBN 978-83-961549-1-0. OCLC 1267382284.
  • Bibliography[edit]

    External links[edit]

    Media related to Straits at Wikimedia Commons


    Retrieved from "https://en.wikipedia.org/w/index.php?title=Strait&oldid=1210415025"

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