River Features and Flooding Flashcards Preview

Z GCSE Geography component 1 > River Features and Flooding > Flashcards

Flashcards in River Features and Flooding Deck (21)
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1

What is a meander

Bend in the river

2

On a meander where is the fastest flow?

The outside

3

On a meander where does deposition occur?

The inside

4

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

Outside

5

Where is the hard rock located on a waterfall?

On top

6

Where is the soft rock located on a waterfall?

underneath

7

How is a plunge pool formed?

Force of water hitting rock

8

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

Overhang

9

When a waterfall retreats (goes backwards) if forms a

Gorge

10

What named example of a waterfall have we studied?

Niagara falls

11

What two ways have people used waterfalls?

-Tourism
-Hydroelectric

12

What is the flat area next to a river called?

Floodplain

13

What is the Bluff line?

Edge of a floodplain

14

What is the key process that forms floodplain?

Deposition

15

How are levees made?

Out of deposited material

16

How can levees be made?

They are made both naturally and man made

17

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

Overland flow

18

What word is used for water flowing into the soil?

Infiltration

19

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

Saturation

20

Give the 4 natural causes of flooding

- Heavy rainfall
-Prolonged rainfall
-Steep relief
-Impermeable geology

21

Give 2 man made (human) causes of flooding.

- Deforestation
-Urbanisation