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Geography > River Processes > Flashcards

River Processes Flashcards

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1
Q

What is hydraulic Action?

A

Where the force of the water enters cracks in the bed and banks and puts it under pressure causing erosion.

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2
Q

What is attrition?

A

Rocks and stones hit each other breaking up into smaller pieces.

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3
Q

What is solution?

A

Soluble minerals in the rock water wear away in water.

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4
Q

What is abrasion?

A

Rocks and stones scrape against the bed and bank and act like sandpaper wearing away the rock.

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5
Q

What process is attrition?

A

Erosion

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6
Q

What process is Hydraulic action?

A

Erosion

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7
Q

Why process is Abrasion?

A

Erosion

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8
Q

What two processes is Solution?

A

Erosion and Transportation

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9
Q

What are the 4 processes of erosion?

A

Attrition
Hydraulic Action
Abrasion
Solution

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10
Q

What is Solution?

Transportation

A

Minerals are dissolved in the water and carried in Solution.

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11
Q

What is suspension?

A

Fine, light material is carried along in the water.

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12
Q

What is Saltation?

A

Small pebbles and stones are bounced along the river bed.

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13
Q

What is traction?

A

Large boulders and rocks are rolled along river bed.

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14
Q

What process is Suspension?

A

Transportation

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15
Q

What process is saltation?

A

Transportation

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16
Q

What process is traction?

A

Transportation

17
Q

What are the 4 processes of transportation?

A

Solution
Suspension
Saltation
Traction

18
Q

What is deposition?

A

Where energy is low, the load (sediment) is dropped by the river such as Deltas (at the river mouth)

19
Q

What is this process of erosion?

‘Rocks and stones hit each other breaking up into small pieces’

A

Attrition

20
Q

What is this process of erosion?

‘The force of the water enters cracks in the bed and banks and puts it under pressure, causing erosion’

A

Hydraulic Action

21
Q

What is this process of erosion?

‘Soluble minerals in the rock water wear away in the water’

A

Solution

22
Q

What is this process of erosion?

‘Rocks and stones scrape against the bed and bank and act like sandpaper wearing away the rock’

A

Abrasion

23
Q

What is this process of Transportation?

‘Minerals are dissolved on the water and carried in solution’

A

Solution

24
Q

What is this process of transportation?

‘Fine, light material is carried along in water’

A

Suspension

25
Q

What is this process of transportation?

‘Small pebbles and stones are bounced along the river bed’

A

Saltation

26
Q

What is this process of transportation?

‘Large boulders and rocks are rolled along river bed’

A

Traction

27
Q

What is the meaning of the process of deposition?

A

Where energy is low, the sediment is dropped by the river such as Deltas, this happens at the river mouth

Geography (3 decks)

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