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If you have $1,000 or more in the bank, make these 4 moves fast. Take advantage before it’s too late. When we started cruising we were authoritatively told that tidal ranges (the difference between high and low tides) decreased the closer one came to the equator.
Are tides higher at the equator or north pole?
The actual tidal forces are stronger at the equator and weaker at the poles, because the Moon generates the tidal forces. Are there tides at the North Pole? In regard to ocean tides in particular: the South Pole is on land so there are no ocean tides; and the North Pole is frozen so it is hard to see the 0cean tides!
That many of the areas of the world with high ranges of tides are in the areas of Alaska, Canada, and northern Europe has created a misconception that the range of tide increases with increasing latitude (as one moves farther from the equator and closer to the poles).
An answer is that yes there are, and in fact the only locations that have very weak tides are near the poles! Return to Dr. Odenwald’s FAQ page at the Astronomy Cafe Blog.
We can see if we can figure it out. in regard to ocean tides in particular: the South Pole is on land so there are no ocean tides; and the North Pole is frozen so it is hard to see the 0cean tides! It is true that tides tend to reduce with increasing latitude, but there are many other factors including the shape of the coastline.
What causes low tides to occur?
Not for the inexperienced !
What causes high tides in the northern hemisphere?
In the higher latitudes of the northern hemisphere, the continents of North America, Europe, and Asia are pressed closer together. This “ constriction” of the oceans creates the effect of a higher range of tides.
What causes the second but lower high tide?
The second but lower high tide occurs when the earth’s rotation sees the moon on the opposite side of the earth with the moon’s gravity pulling the intervening earth away from the blob of water. At some points in this precession, which moves about one hour later each day, the sun and the moon are simultaneously seen overhead.
What are the causes and effects of tides?
The regular rise and fall of the ocean ’s waters are known as tide s. Along coast s, the water slowly rises up over the shore and then slowly falls back again. When the water has risen to its highest level, covering much of the shore, it is at high tide.
What are the effects of tides on Earth?
Like ocean tides, the moon has the greatest effect on land tides because it is closer to the Earth than the sun. Due to these cycles, it is relatively easy for scientists to monitor land tides.
How does the Moon’s declination affect the Earth’s tides?
As the angles of these two celestial bodies in relation to the Earth increase and decrease, so do the tidal bulges. Here we observe the moon’s changing declination to the equator and the effect that this has on the positions of the Earth’s tidal bulges.
You might be thinking “How do tides change as the earth revolve around the Moon?”
Over time, the positions of these celestial bodies change relative to the Earth’s equator. The changes in their relative positions have a direct effect on daily tidal heights and tidal current intensity. As the moon revolves around the Earth, its angle increases and decreases in relation to the equator.
What happens when the Moon is over the equator?
When the moon is over the equator – or at certain other force-equalizing declinations – the two high tides and two low tides on a give day are at similar height at any location. Successive high and low tides are then also nearly equally spaced in time, and occur twice daily. (See top diagram in Fig. 6.).