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Ocean Tides
Affected by the gravitational pull of the moon and sun, sea levels rise and fall on a daily basis. Ask questions here about high tide, low tide, spring tide and neap tide.
1,277 Questions
When boating on coastal waters it is important to be aware of the tides?
It can be a sign of bad weather
When the Moon and / or Sun are oriented at about 90 degrees to the line between the area with tide and the Earth's center.
What is the greatest differences between high tide and low tide?
The height difference between high and low tide varies in different places and at different times according to the earth's position relative to the sun and moon. The weather and prevailing winds also affect tide heights.
The place with the greatest tidal rise/fall is generally considered to be in the Bay of Fundy, Canada, which, on occasions can have a high/low tidal difference of some 21 metres (about 70 feet).
However, Ungava Bay (Canada) is a close contender. After long and careful comparison of the data, the Canadian Hyrodrographic Service has ruled that both places are joint first in the high/low tides competition!)
For more information about tides and the most extreme tides, see Related links below.
Account of what has taken place, and was not before known; news.
Which is more powerful spring tide or neap tide?
A tide has no power itself, it is dependant on the moon (mostly). A spring tide has the greatest range, from high to low, because the sun also helps.
When the sun and moon are aligned spring tides are produced. When they are at right angles, with respect to the earth, then neap tides are produced. Neap tides have the smallest difference.
What would happen to the tides if there was no moon?
The moon is actually moving away from the earth, very slowly. This is caused by some interesting tidal effects. Someday hundreds of thousands or millions of years from now there will be no such thing as a total solar eclipse because the moon will be too distant to completely block the face of the sun. If the moon were ever to get closer, we had better hope that it also gets a little faster. If it didn't it would come crashing down eventually and catastrophically. The closer orbiting bodies are to their hosts the faster they move through their orbits. At one time it was theorized that the moon formed by being literally thrown off by the earth in the days when the earth was nothing but molten rock. Somehow, people thought, the surface bulged at one point and a clump of material broke free. One problem with this theory is that extrapolating backwards from the moon's current distance and velocity, at the time of its break from earth it would have had to be moving in its orbit at a velocity that is impossibly fast. This can't have been the moon's origin.
What is the name of the tidal wave that can occur after a earthquake?
Such waves have nothing to do with tides. The preferred term is tsunami.
Why do fisherfolk want to know whether there will de a high tide or low tide?
There will be a high tides and low tides are the effect of the moon's gravitational pull on our ocean
When is the best time to swim in the ocean high or low tide?
Simming at high tide is as safe as swimming at any other time. Whether the tide's in or out doesn't change the level of safety invovled.
What area of land is covered at high tide but not at low tide?
The intertidal zone is the area that is exposed to the air at low tide and submerged at high tide. (also known as the "foreshore" or "littoral zone")
Source
http://en.wikipedia.org/wiki/Intertidal_zone
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Exceptionally high or low tide?
Don't worry Mariah a.k.a Serene is here to save the day.....
The answer is Spring Tide :)z!
Why are river tides have more variance than ocean tide?
tides periodically rise and fall on the water level of the ocean and waves move in an up-and-down motion along the surface of a body of water <3<3<3<3<3<3<3
During what month does Spring tides occur and why?
A neap tide is a tide with the least difference between consecutive and low and high tides. A spring tides are combined forces which produce a tide with a greatest difference between consecutive low and high tides. They occur because the moons gravitational pull is pulling it.
Originally the song 'Tide is high' was sung by The Paragons in 1967, John Holt was the leadsinger of this perfomance. The hit was rediscovered in 1980 and then it became a hit.
What is the difference between the highest and lowest tides during a neap tide?
A neap tide happens during the quarter phase of the moon and they are weak tides. There is a very small difference between high and low tides during this time.
How does the sun and moon produce the regular rising and falling of tides on earth?
When do the highest tides occur?
High tides are the biggest when the moon is Full or when the moon is a New Moon. The gravitational pull of the Moon is greatest at these phases which makes a bigger bulge in the ocean causing high tide. But it also depends on the time of year when the tides are low or high.
Why does the tide come in out?
There is a high tide on the side of the Earth that is opposite to the Moon.
This is because of the differences in the strength of the Moon's gravity felt at different places on Earth.
The water on that far side is subject to a smaller gravitational pull than the center of the Earth and is so is "left behind", forming a tidal bulge.
See the "related link" below.
Differentiate waves and tides and differentiate neap tide and spring tide?
Wave is a movement in the water surface under vertical direction and is caused by wind. The stronger the wind is, so is the wave.
Tide is a natural phenomenon, a regular and periodical oscillation of water. In theory, in terms of physical matter, tide is caused by the gravitational force of the moon and certainly by that of the sun as well.
Neap tide is weak tide occurring when the gravitational forces of the moon and the sun are perpendiculare to one another. It occurs during quarter moons.
Spring tide is strong time occurring when the earth, the sun and the moon are in a line. It occurs in the full and new moon.
Which phases of the moon cause the highest low tides and lowest high tides?
At the quarter moon phase, the gravity of the sun and the moon are working at right angles to each other, partially canceling out their tidal effects. This is when you'll get the highest low tides or lowest high tides, or "neap tides".
