GCSE Rivers

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  • Created by: Darcy_bx
  • Created on: 27-10-17 17:42
What is a confluence?
Where two rivers meet
1 of 15
What is the river's source?
The area where the river starts
2 of 15
Where are oxbow lakes found?
The middle course
3 of 15
Waht is an example of hard engineering?
Channel straightening
4 of 15
What does a flashy hydrograph have?
A high peak discharge and a short lag time
5 of 15
What is an example of a river landform found in the lower course?
An estuary
6 of 15
What is attrition?
Where rocks in a river's load hit each other, making them less angular and smaller
7 of 15
When is a gorge formed?
When a waterfall reatreats
8 of 15
What is the discharge of a river?
The volume of water in a river
9 of 15
What is the lag time on a hydrograph?
The tiem between the peak rainfall and the peak discharge
10 of 15
How does vegetation (forests etc) help prevent flooding?
It intercepts the precipitation
11 of 15
How is an ox-bow lake formed?
The river's meanders erode towards each other and the meander neck narrows, due to lateral erosion, until it breaks. Deposition then separates the meander from the river.
12 of 15
What is a physical cause of flooding?
Prolonged rainfall
13 of 15
What is soft engineering?
Working with natural river processes to manage flood risk
14 of 15
What is the geographical term for rainfall?
Precipitation
15 of 15

Other cards in this set

Card 2

Front

What is the river's source?

Back

The area where the river starts

Card 3

Front

Where are oxbow lakes found?

Back

Preview of the front of card 3

Card 4

Front

Waht is an example of hard engineering?

Back

Preview of the front of card 4

Card 5

Front

What does a flashy hydrograph have?

Back

Preview of the front of card 5
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