River Features and Flooding Flashcards
1.What is a meander
A bend in a river.
2.On a meander where is the fastest flow?
Outside of the bend.
3.On a meander where does deposition occur?
Inside of the bend.
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 Power.
12.What is the flat area next to a river called?
Floodplain.
13.What is the Bluff line?
Edge of a floodplain.
- What is the key process that forms floodplain?
Deposition.
15.Levees are banks made of deposited material
True.
16.Levees are only naturally made
False.
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.
- Give the 4 natural causes of flooding
- Prolonged rainfall.
- Heavy rainfall.
- Steep relief (steep slopes).
- Impermeable geology.
- Give 2 man made (human) causes of flooding.
- Deforestation.
- Urbanisation (Buildings).
