Abrasion: rocks carried by the river wear down the river bed. Solution: soluble particles are dissolved into the river
1 of 12
Name two processes of river transport and explain
Traction: heaviest particles are rolled along the river bed Saltation: sand-sized particles may be bounced along the rive bed in a leap-frog motion
2 of 12
What landforms can you find in the upper course of a river?
V’ shaped valleys, gorges, waterfalls and interlocking spurs
3 of 12
What landforms can you find in the middle course of a river?
Meanders and Ox-bow lakes can be found.
4 of 12
What landforms can you find in the lower course of a river?
Mudflats, Deltas, Floodplains and Estuaries can be found in the lower course.
5 of 12
Explain the formation of a waterfall.
Water flows over a layer of hard rock onto a layer of soft rock. This then begins to erode by hydraulic action. An overhang begins to occur and the hard rock eventually collapses due to gravity. Abrasion can now erode more and repeat the process
Comments
No comments have yet been made