River Profiles (Grade 12 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a longitudinal profile of a river show?
What does a longitudinal profile of a river show?
Path & gradient from source to mouth
What shape does a river's longitudinal profile create?
What shape does a river's longitudinal profile create?
Smooth, concave curve
What does a cross profile reveal about a river?
What does a cross profile reveal about a river?
Valley & channel shape at a point
What valley shape characterises the upper course of a river?
What valley shape characterises the upper course of a river?
Narrow, steep-sided V-shaped valleys
Which erosion type dominates in the upper course?
Which erosion type dominates in the upper course?
Vertical erosion
What landform appears when a river cuts through resistant rock in the upper course?
What landform appears when a river cuts through resistant rock in the upper course?
Gorges
What feature dominates the middle course of a river?
What feature dominates the middle course of a river?
Meanders
Which process dominates in the lower course?
Which process dominates in the lower course?
Deposition
How do ox-bow lakes form in the lower course?
How do ox-bow lakes form in the lower course?
Rivers cut through narrow necks of land
How does river energy change from upper to lower course?
How does river energy change from upper to lower course?
Energy decreases downstream