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GCSE Geography > Distinctive Landscapes: RIVERS > Flashcards

Distinctive Landscapes: RIVERS Flashcards

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1
Q

What are geomorphic processes and what do they include?

A

Processes that lead to a change in the shape of the Earth. These include:
Weathering
Mass movement
Erosion
Transportation
Deposition

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2
Q

What is weathering?

A

The breaking down of rocks due to long exposure to the atmosphere.

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3
Q

What is mass movement?

A

The downhill movement of cliff material due to gravity.

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4
Q

What is the fluvial process?

A

The process of erosion and transportation in a river.

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5
Q

What is erosion?

A

The breaking down and wearing away of rocks.

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6
Q

What is transportation?

A

When rocks are moved along a river.

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7
Q

What is deposition?

A

When sediment is dropped to the river bed due to the river not having enough power and energy.

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8
Q

What are the 4 processes of erosion?

A

Abrasion
Hydraulic action
Attrition
Solution

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9
Q

What is abrasion?

A

The rubbing of rocks along the bed or banks of a river - sandpaper effect.

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10
Q

What is hydraulic action?

A

Water hits the river cliffs and banks which creates cracks.

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11
Q

What is attrition?

A

When larger sediment collide into each other.

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12
Q

What is solution?

A

When the water dissolves resistant rocks like limestone.

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13
Q

What are the 4 methods of transportation?

A

Saltation
Suspension
Traction
Solution

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14
Q

What is saltation?

A

When rocks are bounced along the river bed.

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15
Q

What is suspension?

A

When sediment is suspended in the water and carried along with it.

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16
Q

What is traction?

A

When large boulders are rolled along the river bed.

17
Q

What is solution?

A

When the dissolved rocks are transported along the river.

18
Q

What are the 3 processes of weathering?

A

Mechanical/physical
Biological
Chemical

19
Q

What is mechanical/physical weathering?

A

When larger rocks are broken down into smaller rocks dur to physical processes such as rain and wind.

20
Q

What is biological weathering?

A

Weathering caused by living organisms such as plants and animals.

21
Q

What is chemical weathering?

A

Weathering that makes changes to the rock’s chemistry and minerals

GCSE Geography (1 decks)

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