river transportation Flashcards
(6 cards)
1
Q
Solution
A
-minerals are dissolved in the water and carried along
in solution
2
Q
Suspension
A
- fine light material/small sediments is carried along in the water
3
Q
Saltation
A
- small pebbles and stones are bounced along the
river bed
4
Q
Traction
A
– large boulders and rocks are rolled along the river
5
Q
river transportation, what it needs
A
river needs energy to transport materials
levels of energy change as the river moves from source to mouth
: high energy levels - boulders and large rock can be transported
- usually near a river source, when its course is deep and valley is narrow
: low energy levels - small sediments and particles can be transported
- when velocity drops as a river enters a sea / lake
6
Q
name all the river transportation
A
solution
suspension
saltation
traction