River landscapes Flashcards
1
Q
What is a drainage basin?
A
area drained by a river and its tributaries
2
Q
Rain falls within a ____ ___ and will find its way inao a ___ by moving across the _____ or underground
A
i) drainage basin
ii) river
iii) surface
3
Q
What are the key features of a water basin?
A
- source
- mouth
- tributary
- confluence
- water shed
4
Q
What is the source?
A
the starting point of a river e.g. spring
5
Q
What is the mouth?
A
Where a river flows into the sea or lake
6
Q
What is a tributary?
A
A small stream/river which joins a larger stream/river
7
Q
What is a confluence?
A
Where 2 streams/rivers meet
8
Q
What is a watershed?
A
A usually high area of land which separates one drainage basin from another
9
Q
What is weathering?
A
the breakdown of rocks at/or near the grounds surface acting on the valley sides
