Drought causes and locations (Edexcel GCSE Geography A): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
In the UK, how is drought officially defined?
In the UK, how is drought officially defined?
15 consecutive days without rainfall
What is the key difference between arid regions and drought conditions?
What is the key difference between arid regions and drought conditions?
Arid is permanent, drought is temporary
How much precipitation do arid regions typically receive annually?
How much precipitation do arid regions typically receive annually?
10-250mm
What causes meteorological drought?
What causes meteorological drought?
High pressure systems over an area
What characterises high pressure systems?
What characterises high pressure systems?
Descending air that warms
What does hydrological drought affect?
What does hydrological drought affect?
Groundwater, rivers, and reservoirs
How does the drought feedback loop work?
How does the drought feedback loop work?
Less evaporation reduces rainfall chance
How does deforestation contribute to drought?
How does deforestation contribute to drought?
Removes transpiration from trees
How do dams contribute to drought conditions?
How do dams contribute to drought conditions?
Restrict water flow downstream
Which global circulation cells influence drought vulnerability?
Which global circulation cells influence drought vulnerability?
Hadley and Ferrel cells
What are the two main human processes contributing to drought?
What are the two main human processes contributing to drought?
Deforestation and dam construction
Why does hydrological drought become self-reinforcing?
Why does hydrological drought become self-reinforcing?
Drier land has less moisture for rainfall