Chapter 8-River Action-The Work Of Rivers Flashcards
How do rivers shape the landscape?
Through erosion, transport and deposition.
What are some ways they erode?
Hydraulic action, abrasion, attrition, solution.
What are the 3 stages of the river?
Youthful stage, mature stage and old age stage.
OR
Upper, middle, lower courses.
When is most of the erosion done?
The youthful stage.
When is most of the deposition done?
The old age stage.
What are some landforms of the youthful stage?
Waterfalls, V-shaped valleys, interlocking spurs.
How does the river transport its load?
Solution, suspension, saltation, traction.
When does the river drop its load?
When it slows down.
What are some features of deposition?
Of-bow lake, levees and deltas.
How do rivers impact on people?
Through flooding.
How do people impact on rivers?
By building dams on rivers to produce electricity.