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Encyclopedia > Tidal range

The tidal range is the vertical difference between the highest high tide and the lowest low tide. In other words, it is the difference in height between high and low tides. The most extreme tidal range will occur around the time of the full or new moons, when gravity of both the Sun and Moon are pulling the same way (new moon), or exact opposite way (full). This type of tide is known as a spring tide. During neap tides, when the Moon and Sun's vectors make a right angle at the Earth, the difference between high and low tides is smaller. Image File history File linksMetadata No higher resolution available. ... High Tide was a band that was formed in 1969 by Tony Hill (guitar, keyboards, and vocals), Simon House (violin and keyboards), Pete Pavli (bass) and Roger Hadden (drums). ... This article is about tides in the ocean. ... Composite image of the Moon as taken by the Galileo spacecraft on 7 December 1992. ... The lunar phase depends on the Moons position in orbit around Earth. ... The Sun is the star at the center of the Solar System. ... Apparent magnitude: up to -12. ... The lunar phase depends on the Moons position in orbit around Earth. ... Composite image of the Moon as taken by the Galileo spacecraft on 7 December 1992. ... The tide is the regular rising and falling of the oceans surface caused by changes in gravitational forces external to the Earth. ... This article is about tides in the ocean. ... Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ...


Geography

The typical tidal range in the open ocean is about 0.6 meters (2 feet). As you get closer to the coast, however, this range gets much greater. Coastal tidal ranges vary globally and can differ anywhere from 1.8 meters to 3 meters (6–10 feet). The world's biggest tidal differential occurs in the Bay of Fundy in Eastern Canada, where the sea level changes by up to 17 meters (55 feet) during the day. What is generally regarded as the next highest tidal range occurs in the Bristol Channel in the UK, where sea levels change by some 15 meters (49 feet). The smallest tidal ranges occur in the Mediterranean, Baltic, and Caribbean Seas. The Bay of Fundy (French: ) is a bay located on the Atlantic coast of North America, on the northeast end of the Gulf of Maine between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. ... Eastern Canada, defined politically. ... The location of the Bristol Channel The Severn Bridge and Bristol Channel, looking northwestward from England towards Wales The Bristol Channel coast at Ilfracombe, North Devon, looking west towards Lee Bay The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from South West... Composite satellite image of the Mediterranean Sea. ... The Baltic Sea is located in Northern Europe, from 53°N to 66°N latitude and from 20°E to 26°E longitude. ... Map of Central America and the Caribbean Caribbean Sea from space (top left). ...


A point within a tidal system where the tidal range is almost zero is called an amphidromic point. An amphidromic point is a point within a tidal system where the tidal range is almost zero. ...


See also

It has been suggested that Earth tide be merged into this article or section. ...

External Links

An Introduction to Tides and Tidal Currents


  Results from FactBites:
 
Ocean Energy Council.com- What is Tidal Energy? (1778 words)
A tidal range of at least 7 m is required for economical operation and for sufficient head of water for the turbines.
Tidal energy is a renewable source of electricity which does not result in the emission of gases responsible for global warming or acid rain associated with fossil fuel generated electricity.
Tidal power is a form of low-head hydroelectricity and uses familiar low-head hydroelectric generating equipment, such as has been in use for more than 120 years.
tide. The Columbia Encyclopedia, Sixth Edition. 2001-05 (944 words)
Spring tide, having the maximum range, occurs during the full moon when the earth is between the moon and the sun, and new moon when the moon is between the earth and the sun.
The typical tidal range in the open ocean is 2 ft (0.61 m) but is much greater near the coast.
The world’s widest tidal range occurs in the Bay of Fundy, in E Canada, where the sea level changes by 40 ft (12 m) during the day, while the Mediterranean, Baltic, and Caribbean Seas are relatively tideless.
  More results at FactBites »

 

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