River drainage basin Flashcards
1
Q
How many major drainage basin are there in England and Wales?
A
11
2
Q
What is the watershed?
A
The edge of highland surrounding a drainage basin.
3
Q
What is a confluence?
A
The point where 2 rivers meet.
4
Q
What is a source?
A
The starting point of a river, often led by a lake, spring, marchy.
5
Q
What is a mouth?
A
The point where a river comes to an end.
6
Q
What is a tributary?
A
Smaller rivers or steam that joins a larger river.