Rivers Flashcards
what is a curve in the river called
A meander
what is the starting point of a river called
The source
What is it called when the river meets the sea
The mouth
What is a tributary?
A smaller river or stream flowing into a
What is a confluence?
The point where two rivers meet
What are the characteristics of the upper course of a river?
:Steep gradient
:Narrow v-shaped valley
:Narrow/shallow river
:Large angular sediment load
:Mostly erosion taking place
What are the characteristics of the middle course of a river?
:Shallower gradient
:Asymmetrical valley cross section
:Deeper river
:Smaller/rounded load
:Balance between erosion and transportation taking place
Define ‘erosion’?
The wearing away of rock by the natural processes of rivers, ice, wind and sea