River Landforms Flashcards
Name the landforms found in the upper course.
Interlocking Spurs, v-shaped valley, waterfall and gorge
How is the river eroding in the upper course?
Vertically
Name the landforms in the middle course.
Meander and ox-bow lake
How is the river eroding in the middle course?
Laterally
Name the landforms in the lower course.
Floodplain, levee and estuary
On which river will you find these landforms including high force waterfall and cross fell as its source?
River tees
What is an interlocking spur?
An area of hard rock around which the river winds
What process helps to create a v-shaped valley?
Freeze-thaw weathering
What do you need to create a waterfall?
Hard rock over soft rock
What is created when a waterfall retreats?
A steep sided gorge
What is a meander?
A bend in a river
What happens on the outside bend of a meander?
The river flows fast and erodes creating river cliff.
What happens on the inside bend of a meander?
The river flows slowly, depositing and creating a slip off slope
What happens to create an ox-bow lake?
The river erodes through the neck of a meander on the outside bend or a flood occurs, cutting off meander
What is a flood plain?
A large flat area either side of a river channel the floods