River Features and Flooding Flashcards

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1
Q

1.What is a meander

A

A bend in a river.

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2
Q

2.On a meander where is the fastest flow?

A

Outside of the bend.

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3
Q

3.On a meander where does deposition occur?

A

Inside of the bend.

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4
Q

4.Is a river cliff likely to form on the outside or the inside of a meander?

A

Outside.

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5
Q

5.Where is the hard rock located on a waterfall?

A

On top.

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6
Q

6.Where is the soft rock located on a waterfall?

A

Underneath.

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7
Q

7.How is a plunge pool formed?

A

Force of water hitting rock.

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8
Q

8.What is the ledge of hard rock called on a waterfall?

A

Overhang.

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9
Q

9.When a waterfall retreats (goes backwards) if forms a

A

Gorge.

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10
Q

10.What named example of a waterfall have we studied?

A

Niagara falls.

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11
Q

11.What two ways have people used waterfalls?

A
  • Tourism.

- Hydroelectric Power.

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12
Q

12.What is the flat area next to a river called?

A

Floodplain.

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13
Q

13.What is the Bluff line?

A

Edge of a floodplain.

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14
Q
  1. What is the key process that forms floodplain?
A

Deposition.

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15
Q

15.Levees are banks made of deposited material

A

True.

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16
Q

16.Levees are only naturally made

A

False.

17
Q

17.What word is used for water flowing over the surface of the land?

A

Overland flow.

18
Q

18.What word is used for water flowing into the soil?

A

Infiltration.

19
Q

19.What word is used when there is too much water in the soil and it cannot take anymore?

A

Saturation.

20
Q
  1. Give the 4 natural causes of flooding
A
  • Prolonged rainfall.
  • Heavy rainfall.
  • Steep relief (steep slopes).
  • Impermeable geology.
21
Q
  1. Give 2 man made (human) causes of flooding.
A
  • Deforestation.

- Urbanisation (Buildings).