Aeolian Deposition Flashcards

1
Q

What is aeolian deposition ?

A

Entrainment/ transport and deposition of sediment by WIND.

On lands

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2
Q

What happens when there is a large tidal range ?

A

Large amounts of sand will be exposed at low tide for longer period meaning a supply of sediment can be entrained by the wind.

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3
Q

2 ways sand is transported by wind?

A

Surface creep

Saltation

Dependent on wind speed and how dry/ moist source is sand is

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4
Q

Surface creep

A

(Similar to traction)

Wind rolls/ slides sand grands over the surface

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5
Q

Saltation

A

Wind is strong enough to temporarily lift grains into airflow to heights of up to 1 mature over 20-30m

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6
Q

Why is wind action significant?

A

Shape / form lots of landforms - beach / dunes

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