Rivers Flashcards
What is the course of a river
The route which a river takes flowing to the sea
What is the source of a river
The point where a river begins
Explain tributary
A small stream or river that joins up with a larger one.
Explain confluence
The point where two rivers meet. (Tributary and large river)
Explain the mouth of a river
The point where the water flows into the sea
Explain. Estuary
The part of the river mouth that is tidal
Name three features of a youthful river
Waterfall
V-shaped valley
Inter locking spurs
Name three features of a mature river
Meanders
Floodplain
Wider valley
Name three features of an old river
Oxbow lake
Delta
Levees
What is transportation
Removing materials that the river erodes
Explain deposition
When a river drops its load on the way to the sea.
Explainerosion
Wearing away at the landscape
Explain hydraulic action
The force of moving water breaks off materials from the banks of the river
Explain abrasion
The rivers load hits the bank and bed of the river wearing it away
Explain attrition
Material is worn down ,smoothed and rounded as the particles bounce off one another