The drainage basin is an open system within the global hydrological cycle (Edexcel A-Level Geography): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of system is a drainage basin?
What type of system is a drainage basin?
Open system with inputs & outputs
What is a watershed in a drainage basin?
What is a watershed in a drainage basin?
High land dividing waters to different rivers
What relative humidity is needed for precipitation to form?
What relative humidity is needed for precipitation to form?
100%
Where is orographic rainfall concentrated?
Where is orographic rainfall concentrated?
Windward slopes & mountain summits
What type of variability results from random factors?
What type of variability results from random factors?
Stochastic variability
When is interception loss usually greatest?
When is interception loss usually greatest?
At start of storm after dry period
How is infiltration related to surface run-off?
How is infiltration related to surface run-off?
Inversely related
What are percolines?
What are percolines?
Lines of concentrated water flow between soil horizons
Why is groundwater flow vital during droughts?
Why is groundwater flow vital during droughts?
Maintains steady channel flow level
What effect does deforestation have on flooding potential?
What effect does deforestation have on flooding potential?
Increases flooding potential