Drainage Basins (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
Where in a river system does laminar flow typically occur?
Where in a river system does laminar flow typically occur?
In the lower sections with smooth channels
What does turbulent flow create in the water?
What does turbulent flow create in the water?
Swirling patterns and eddies
What is a drainage basin?
What is a drainage basin?
Land area drained by a river & tributaries
Where does a river source typically originate?
Where does a river source typically originate?
Mountainous or highland regions
What does a watershed separate?
What does a watershed separate?
One drainage basin from another
Which factor promotes low drainage density?
Which factor promotes low drainage density?
Permeable soil allowing water penetration
What causes high drainage density in an area?
What causes high drainage density in an area?
Impermeable rock preventing water soaking in
How does high infiltration affect drainage density?
How does high infiltration affect drainage density?
Leads to fewer surface streams (low density)
What indicates high drainage density on a map?
What indicates high drainage density on a map?
Highly branched, tree-like pattern
Why do high drainage density areas have faster flood responses?
Why do high drainage density areas have faster flood responses?
Surface runoff reaches rivers quickly