River Capture and Rejuvenation (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 happens when a river becomes rejuvenated?
What happens when a river becomes rejuvenated?
It gains additional energy for erosion
Which factor causes rejuvenation by increasing a river's gradient?
Which factor causes rejuvenation by increasing a river's gradient?
Land uplift or sea level drop
How does rejuvenation change a river's upper course valley?
How does rejuvenation change a river's upper course valley?
Becomes steeper and more V-shaped
What feature forms in the middle course during rejuvenation?
What feature forms in the middle course during rejuvenation?
A valley within a valley
What are stepped terraces in a rejuvenated river valley?
What are stepped terraces in a rejuvenated river valley?
Old floodplains now elevated above river
What is a graded profile in a river?
What is a graded profile in a river?
A smooth, concave equilibrium profile
What are knickpoints in a river's profile?
What are knickpoints in a river's profile?
Sudden steep drops where water cascades
What is river capture also known as?
What is river capture also known as?
Stream piracy
What is a misfit stream in river capture?
What is a misfit stream in river capture?
A river too small for its valley
What is a wind gap?
What is a wind gap?
A dry valley with no water flow