meaning of tides
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Definitions &Translations Freebase(0.00 / 0 votes)Rate this definition: Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth. Some shorelines experience two almost equal high tides and two low tides each day, called a semi-diurnal tide.
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- Answer by Andrea W. Confidence votes 252. The rise and fall of the sea is known as the tide. The tides are caused by the moon's gravitational pull on earth. So, when the moon is facing a certain side of the earth, it literally pulls the water towards it.
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- tide Periodic rise and fall of the surface level of the oceans caused by the gravitational attraction of the Moon and Sun. Tides follow the Moon's cycle of 28 days, so they arrive at a given spot 50 minutes later each day.
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- - The tides are produced by what we can call the tide generating force, or tide raising force (FT). The tide generating force for any given particle is proportional to the difference between the gravitational force of attraction and the centrifugal force acting on the particle: FT = FG-FC.
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- The Bay of Fundy tides are the highest tides in the world, with 100-billion tonnes of seawater gushing in and out of the bay twice a day. The power of the tides is most evident at The Hopewell Rocks. At low tide you can walk the ocean floor and look up at the cliffs and rocks.
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TIDE The periodic rise and fall of the sea level under the gravitational pull of the moon. Classified under: Nouns denoting natural events. Hypernyms (tide is a kind of...): periodic event; recurrent event (an event that recurs at intervals)
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How Are Tides Formed? Quick Answer. Tides are formed by a combination of gravitational attraction from the moon and the sun, as well as the centrifugal force generated by the rotation of the Earth. The position of both celestial bodies affects the surface height of the tides as water is gravitationally pulled upwards relative to their positions. Keep Learning.
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- : the tide while it is flowing outward from the land.
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- Tides are caused by slight variations in gravitational attraction between the Earth and the moon and the Sun in geometric relationship with locations on the Earth's surface. Tides are periodic primarily because of the cyclical influence of the Earth's rotation.
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Tides Tides are another kind of wave motion in the ocean. Tides are a change in the ocean water level, typically reaching a high and low level twice a day usually occurring about six hours apart. The term for the change from low to high tide is called the flood tide. The change from high tide to low tide is called the ebb tide.
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- Tides are the rise and fall of sea levels caused by the combined effects of gravitational forces exerted by the Moon, Sun, and rotation of the Earth.
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- Observing and Predicting Tides. Open-Ocean Tides. The tide-generating force is produced by the combination of (1) the gravitational attraction between Earth and the moon and sun, and (2) the rotation of the Earth-moon and Earth-sun systems.
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- The Magnitude and Effects of Tidal Ranges. The range of the tides is the difference in sea level between high and low tides. 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.
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Spring, Neap & Proxigean Tides Spring tides (from the Anglo-Saxon springan meaning to spring, swell or bulge) occur twice a month at full or new moon when the sun, earth and moon are all in a straight line (syzygy) and the gravitational forces of the sun and moon reinforce each other resulting in a 20% higher than average tidal range.
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Tidal Waters Definition: Tidal water means any part of the sea and any part of a river within the ebb and flow of the tide at ordinary spring tides, and not being a harbour.. Other jurisdictions prefer the term tide water. Bouvier, in his 1897 American law dictionary, wrote:
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tidal wave (not in technical use) a large, destructive ocean wave, produced by a seaquake, hurricane, or strong wind. Compare tsunami. 2. either of the two great wavelike swellings of the ocean surface that move around the earth on opposite sides and give rise to tide, caused by the attraction of the moon and sun.
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ebb tide Definition of ebb tide for English Language Learners. : the tide while it is flowing outward from the land.
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Definitions &Translations This page provides all possible meanings and translations of the word tide. tide(noun) the periodic rise and fall of the sea level under the gravitational pull of the moon. tide(noun) something that may increase or decrease (like the tides of the sea) a rising tide of popular interest.
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How Are Tides Formed? Tides are formed by a combination of gravitational attraction from the moon and the sun, as well as the centrifugal force generated by the rotation of the Earth. The position of both celestial bodies...
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Earth Science for Kids Types of Tides. 1  High - High tide is the point in the tidal cycle where the sea level is at its highest. 2  Low - Low tide is the point in the tidal cycle where the sea level is at its lowest. 3  Spring - Spring tide occurs when the Sun and the Moon are aligned to combine for the largest tidal range of the highest high tide and the lowest low tide.
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- A: Tides are formed by a combination of gravitational attraction from the moon and the sun, as well as the centrifugal force generated by the rotation of the Earth. The position of both celestial bodies affects the surface height of the tides as water is gravitationally pulled upwards relative to their positions.
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- Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of Earth.
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Tides and Water Levels Gravity is one major force that creates tides. In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth (Sumich, J.L., 1996).
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tidal wave tidal wave in Science Expand. Either of the two swells or crests of surface ocean water created by the gravitational effects of the Moon and Sun and circling the globe on opposite sides to create the daily periods of high and low tides. Also called tidal bulge.
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TIDAL FLOW Noun. 1. tidal flow-the water current caused by the tides. tidal current.tide-the periodic rise and fall of the sea level under the gravitational pull of the moon. aegir, eager, eagre, tidal bore, bore-a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary).oun. 1. tidal flow-the water current caused by the tides. tidal current.
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USCG General Navigation: Master's License tidal current floods and ebbs. The navigator is concerned with the amount and time of thetide, as it affects access to shallow ports. The navigator is concerned with the time, speed, and direction of the tidal current, as it will affect his ship’s position, speed, and course. Tides are superimposed on nontidal rising and falling water levels, caused by weather, seismic events, or other natural forces. Similarly, tidal currents are superimposed upon non-tidal currents such as normal