The work of a river : Transport and deposition Flashcards
1
Q
Traction
A
Rolling stones along the bed of the river
2
Q
Saltation
A
Sand-sized particles bounce along the bed in a ‘leap-frog’ movement
3
Q
Suspension
A
Silt and clay-sized particles are carried within the water flow
4
Q
Solution
A
When minerals dissolve in the water
5
Q
What is transportation?
A
When boulders, pebbles, silt and mud are carried downstream by the river
6
Q
What is deposition?
A
The laying or dropping down of material carried by the river
7
Q
When does deposition happen in the lower course?
A
Where the river enters the sea
8
Q
When does deposition happen in the middle course?
A
When the currents slow down on the inside of a meander
9
Q
When does deposition generally happen
A
When a river lacks enough energy to carry its load
10
Q
Where is deposition dominant?
A
In the lower course
