Sdme Key Words rivers Flashcards
Transportation
Movement of eroded material in the river
Erosion
Wearing away of the land
Deposition
After transportation eroded material is dropped in a new place by natural processes
Corrosion
Sand and pebbles get dragged along the river bed and knock into it , wearing away the Channel
Attrition
Rocks and stones moving along in the water knock together and wear each other away
Solution
Water dissolves rocks from the river bed and banks and this helps break up the channel
Hydraulic action
Fast flowing water pushes air into cracks and the sheer force of this breaks up the channel
Solution
When minerals are dissolved in the water
Saltation
Small stones and pebbles are bounced along in the river
Suspension
Very small particles are carried along suspended in water ( it can look muddy)
Traction
Big boulders and stones are rolled and dragged along the river bed