Rivers Flashcards
1
Q
what is hydraulic action?
A
the force of the river against the banks can cause air to be trapped in cracks and crevices. the pressure weakens the banks and gradually wears it away.
2
Q
what is solution?
A
soluble particles are dissolved into the water
3
Q
what is attrition?
A
erosion caused when rocks and boulders transported by rivers bump into each other and break up into smaller pieces
4
Q
what is abrasion?
A
rocks carried along by the river wear down the river bed and banks
5
Q
what is traction?
A
the rolling of boulders and pebbles along the river bed
6
Q
what is saltation?
A
particles bouncing down the river bed
7
Q
what is suspension?
A
fine solid material held in the water while the water is moving
