Geography- Erosion + Deposition Flashcards

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1
Q

definition for hydraulic action

A

When the force of the wave erodes the coast as they crash against it

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2
Q

Definition of abrasion

A

when eroded material in waves crashes against the coastline

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3
Q

solution definition

A

When the seas load is dissolved by water

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4
Q

Compressed air definition

A

Created when a wave crashes against the joints and cracks in the coastline

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5
Q

erosion and coastline definition

A

Certain sections of Ireland coastline are more vulnerable to wave erosion, as there are composed of softer sedimentary rock type such as lime or shale

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6
Q

Bay definition

A

A large eroded area that has filled up with water, surrounded by resistant rock from the headland

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7
Q

The headland definition

A

Land made of hard rock that is more resistant to erosion which extends I went to the sea

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8
Q

geo definition

A

A gap in the headland wear a blow hole and a cave once existed

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9
Q

sea arch definition

A

A gap that forms when a cave fully eroded through a headland

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10
Q

Seacliff definition

A

A high , steep feature made of rock and soil that has been eroded back by the sea

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11
Q

Blowhole definition

A

Forms when the roof of a cave is eroded vertically

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12
Q

wave cut platform definition

A

A sloping floor of rock extending from the shore out to sea

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13
Q

Sea cave definition

A

an opening made when weaker rock is eroded at the base of seacliffs or headlands

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14
Q

Sea stack definition

A

A piece of rock that stands alone in coastal water

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15
Q

Stump definition

A

A sea stack that has been worn down by the forces of a erosion

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16
Q

definition of transportation

A

Transportation refers to the movement of eroded material by the sea

17
Q

Longshore drift definition

A

longshore drift is the transportation of material up and down the coast in a zigzag pattern

18
Q

Deposition definition

A

deposition refers when the sea drops or deposits its load of eroded material along the coast by the swash of waves

19
Q

Three landforms of marine deposition

A

Beach and sand dunes
sand Spit and lagoon
Tombolo spit

20
Q

Three examples of ways people use the sea

A

food supply
Transport
Recreation