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How does geography affect the tides?
The relative distances and positions of the sun, moon and Earth all affect the size and magnitude of the Earth’s two tidal bulges. At a smaller scale, the magnitude of tides can be strongly influenced by the shape of the shoreline. Local wind and weather patterns also can affect tides.
What factors cause tides?
High and low tides are caused by the moon. The moon’s gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.
What is a tide geography?
Tides are very long-period waves that move through the oceans in response to the forces exerted by the moon and sun. Tides originate in the oceans and progress toward the coastlines where they appear as the regular rise and fall of the sea surface.
Which factors are responsible for high and low tides apex?
The moon’s gravitational pull or tidal force causes two bulges on Earth (and its water) – one at the point closest to the Moon and the other on the direct opposite side of the planet. As the Earth turns, a region gets closer to or further from the bulges. The further it is from one, the lower the tide.
What are tides GCSE geography?
Tides are the regular rise and fall of sea levels. The gravitational pull of the Moon and Sun causes the tides. Knowledge of the tides is essential to safely enjoy the seaside.
What causes high tides and low tides?
They are caused by the gravitational forces exerted on the earth by the moon, and to a lesser extent, the sun. When the highest point in the wave, or the crest, reaches a coast, the coast experiences a high tide. When the lowest point, or the trough, reaches a coast, the coast experiences a low tide.
What causes high tides and low tides on Earth?
The moon’s gravitational pull on the Earth and the Earth’s rotational force are the two main factors that cause high and low tides. The side of the Earth closest to the Moon experiences the Moon’s pull the strongest, and this causes the seas to rise, creating high tides.
What is tide in geography?
An ocean tide refers to the cyclic rise and fall of seawater. 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.
How are the different types of tides different?
1 Flood Tide – Over a period of several hours there will be a rise in sea level. 2 High Tide – This is a stage where the water reaches its maximum level. 3 Ebb Tide – This is a stage where sea level keeps receding over several hours. 4 Low Tide – The Level of Seawater stops receding.
How does the shape of the shoreline affect the magnitude of tides?
At a smaller scale, the magnitude of tides can be strongly influenced by the shape of the shoreline. When oceanic tidal bulges hit wide continental margins, the height of the tides can be magnified. Conversely, mid-oceanic islands not near continental margins typically experience very small tides of 1 meter or less (Thurman, H.V., 1994).