introduction to rivers Flashcards
(9 cards)
1
Q
source
A
- the start of a river
- normally found in mountainous areas
- source is usually a spring
2
Q
mouth
A
- the end of a river
- where the river enters the sea or lake
3
Q
tributary
A
a small river that flows into a bigger river
4
Q
confluence
A
where two rivers join or meet
5
Q
drainage basin
A
the area of land which is drained by a river and its tributaries
6
Q
watershed
A
edge of a drainage basin
7
Q
evapotranspiration
A
process which water is transferred from land to the atmosphere through evaporation and transpiration
8
Q
erosion
A
wearing away of rock and soil found along the riverbed and banks
9
Q
what is a flood?
A
a river has exceeded its bank full discharge
