swash vs backwash Flashcards

1
Q

what is swash

A

movement of water up the beach

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2
Q

what is backwash

A

movement of water down the beach

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2
Q

what kind of waves is swash

A

constructive waves

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3
Q

what kind of waves is backwash

A

destructive waves

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4
Q

what type of frequency do constructive waves have

A

low frequency

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5
Q

what is the main idea of constructive waves - relate to swash/backwash

A

strong swash , weak backwash

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6
Q

what does the wave height and wavelength look like in constructive waves

A

low wave height , large wavelength

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7
Q

what kind of material is found on the beach

A

sand , pebbles

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7
Q

what do constructive waves do on the beach

A

depositional , leave material on the beach

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8
Q

what are the backwash, swash like for a destructive wave

A

strong backwash , weak swash

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8
Q

what is the frequency like for a destructive wave

A

high

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9
Q

what are the wave height,wavelength like

A

high wave height , small wavelength

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10
Q

how do destructive waves create erosion

A

by taking any rocks/material to other locations

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11
Q

what do destructive waves do to the beach

A

cause erosion: waves erode the beach

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12
Q

what are constructive waves also called

A

spilling waves

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13
Q

what are destructive waves also called

A

plunging waves