Rivers - Drainage Basins and Valley Shapes Flashcards
What is the area of land drained by a river called?
The drainage basin
What is the name for the area of high land between two drainage basins called?
The watershed
The area of land drained by a river and its tributaries is called the
Drainage basin
What is the name of the place a river starts called?
Source
What is a tributary?
It is a stream or a small river that joins a larger river.
What is the point called where two rivers meet?
A confluence
What is the feature which separates one river basin from another?
The watershed
What is the area of land inside the watershed called?
The drainage basin.
What shape is the upper stage of a river?
V shaped
In which direction is erosion predominantly happening in the upper course of a river?
Vertical
Does the diagram below show the upper course of a river or the lower course?
The lower course
Does the diagram below show the upper course of a river or the lower course?
The upper course.
In the lower course of a river, is the main erosion vertical or lateral?
Lateral erosion. This is because the river has less energy due to the gentler gradient of the land.
