Drainage basins and hydrographs Flashcards
0
Q
Catchment area
A
The area drained by a river and it’s tributaries
1
Q
Tributary
A
A small river Chanel that meets the main river Chanel
2
Q
Watershed
A
The boundary between two drainage basins
3
Q
Annual hydrograph
A
These plot river flow over a year
4
Q
Geology
A
Rock type and structure
5
Q
Source
A
Where a river starts
6
Q
Mouth
A
Where a river meets the sea
7
Q
Flood /storm
A
Plot river flow over a short time following a rainfall event
8
Q
Confluence
A
Where a tributary meets the main river Chanel
9
Q
Discharge
A
The amount of water in a river at a given time ( area times velocity)
10
Q
System
A
A cycle with inputs outputs stores and transfers
11
Q
Open systems
A
Inputs may come from outside the system and outputs may be lost to the system
12
Q
Closed system
A
Nothing is lost or gained from the system
