Rivers Flashcards
Source
The point where a river begins
Course
The route taken by a river
Tributary
A small river or stream that joins a larger one
Confluence
The place where 2 river Meet
Mouth
The place where a river entered the seas
Estuary
The part of a river mouth that is tidal
Drainage basin
The area of land that is drained by a river
Watershed
The boundary between 2 drainage basins often marked by hills or mountains
What are the 3 stages of a river
Youthful stage, mature stage, old stage
Describe the youthful stage
The river: is small, has a steep gradient
The valley has: steep sides,a narrow floor
Describe the mature stage
The river: is bigger, has a gentle gradient
The valley has: gentle sloping sides,a wider floor
Describe the old stage
The river: is much bigger, has an almost flat gradient
The valley has: very gentle sloping sides, a wide flat floor
Erosion
Wearing materials away from the surface
Transportation
Removing the material that is eroded
Deposition.
Dropping the material it was transporting
