Lower Stage Flashcards

1
Q

What is the gradient like in the lower stage

A

Flatter

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2
Q

What do meanders create in the lower stage

A

Create a wide flat floor with floodplains and levees

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3
Q

What are 2 key things in the lower stage and what are they caused by

A

Floodplains and levee
And they are caused by deposition

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4
Q

Floodplain

A

Land on either of a river in the lower stage that is likely to flood when a river breaks its banka

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5
Q

What makes the valley wide and flat

A

The meander eroding laterally

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6
Q

Levees

A

Banks that form when rivers flood

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7
Q

What causes levees

A

When a river Breaks its banks, the heaviest material is deposited nearest the channel and silt is carried across the floor plain. repeating floods leads to building up levees and acting as a natural flood defence 

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8
Q

Levees build up during

A

Flood

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9
Q

Levees create a new

A

River level

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10
Q

River can still flood above

A

The floodplain

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