Beach Definitions Flashcards

1
Q

What is a tide?

A

Tides are the rise and fall of the surface of the ocean, seen as the movement of water up and down the beach

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2
Q

What is a cliff?

A

Cliffs border most of the uk coastline and are commonly formed from vertical rock faces

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3
Q

What are offshore winds?

A

Offshore winds blow away from the shore and out to sea

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4
Q

What are manmade structures?

A

Piers
Seawalls
Supports

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5
Q

What are longshore currents?

A

Longshore currents are caused by the incoming waves being deflected at an angle by the shore

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6
Q

What are sand bars?

A

Sandbars are mounds of sand offshore beneath the water surface

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7
Q

What are sandbanks?

A

Sandbanks are mounds of sand offshore that are higher than the water surface at a low tide

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8
Q

What are holes?

A

Holes (gullies and troughs) form where the current eroded the seabed material

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9
Q

What is a rip current?

A

Rip currents are currents of water typically flowing from the shoreline back out to sea. They are commonly formed by a build up of water on the beach caused by wave or tidal motion

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