where are spring tides from?
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A perigean spring tide occurs when the moon is either new or full and closest to Earth. Often between 6-8 times a year, the new or full moon coincides closely in time with the perigee of the moon — the point when the moon is closest to the Earth. These occurrences are often called 'perigean spring tides.
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Tidal currents occur in conjunction with the rise and fall of the tide. The vertical motion of the tides near the shore causes the water to move horizontally, creating currents. ... Tidal currents are the only type of current affected by the interactions of the Earth, sun, and moon.
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The tides are the result of the moon exerting its gravitational force on the ocean and bulging it both toward and away from the moon. The tide is higher, the ocean is higher, at the location closest to the moon and on the opposite side of the Earth.
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Tides vary in size through time because of variations in the distance and direction of the moon and, to a lesser extent, the sun. ... Greater ranges occur also when the moon is at perigee, its closest approach to the earth. The largest tidal ranges, occurring when these factors combine, are called perigean spring tides.
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SOURCE OF DRINKING WATER True spring water is captured from a natural, mountain, or artesian spring. Spring water is usually bottled at the source in glass or plastic bottles. Most municipal tap water comes from surface sources, such as lakes and rivers.
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Low levels of red tide have been found in the Lower Keys, including Key West, according to the Florida Fish and Wildlife Conservation Commission. ... In Florida and the Gulf of Mexico, the species that causes most red tides is Karenia brevis.”
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Studies indicate that the Great Lakes spring tide, the largest tides caused by the combined forces of the sun and moon, is less than five centimeters in height. ... Consequently, the Great Lakes are considered to be non-tidal. Water levels in the Great Lakes have long-term, annual, and short-term variations.
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In a Nutshell : Tides ebb and flow because the tidal pull of the moon stays in one place while the Earth spins round. Tides are caused by the gravitational attraction between the moon and the Earth. ... Then as the beach passes out of the bulge the tide goes out or ebbs.
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In UK waters, high tides occur approximately every 12 hours 25 minutes. It takes 24 hours and 50 minutes (a lunar day) for the same location on Earth to re-align with the moon. This is because the moon orbits the Earth in the same direction that the Earth rotates on its axis.
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Neap tides, which also occur twice a month, happen when the sun and moon are at right angles to each other. ... In both cases, the gravitational pull of the sun is "added" to the gravitational pull of the moon on Earth, causing the oceans to bulge a bit more than usual.
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The moon's gravity pulls the ocean toward it during high high tides. During low high tides, the Earth itself is pulled slightly toward the moon, creating high tides on the opposite side of the planet. Earth's rotation and the gravitational pull of the sun and moon create tides on our planet.
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The Moon phase also plays a part in the tidal range. ... During these Moon phases, the solar tide coincides with the lunar tide because the Sun and the Moon are aligned with Earth, and their gravitational forces combine to pull the ocean's water in the same direction. These tides are known as spring tides or king tides.
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Figure 14.11: High tide is created by the gravitational pull of the moon which pulls water toward it. Water on the opposite side of the Earth is pulled least by the moon so the water bulges away from the moon. High tide occurs where the water is bulging. Low tide occurs where it is not.
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The Earth, Sun, and Moon are aligned. Because of this, there is more gravitational pull on the same point of Earth which causes stronger high and low tides. When do neap tides occur? Neap tides occur just after the First Quarter or Last Quarter Moon when there is little difference between high and low tides.
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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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The term "King Tide" is a non-scientific term and describes Perigean Spring Tides, which are the highest seasonal tides that occur each year. These tides occur when the moon is either new or full and is closest to the earth in its monthly orbit. These especially high tides can cause or worsen coastal flooding.
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Tides move water, bringing water in and taking water out. ... The full and new moons normally create better fishing conditions because of the spring tides. The reason behind this is that fish are easier to catch when they are feeding and it's the tide and currents that dictate this.