Providing Enough Water (OCR GCSE Geography B (Geography for Enquiring Minds)): 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 is a reservoir?
What is a reservoir?
A large water storage facility
How are most modern reservoirs created?
How are most modern reservoirs created?
By constructing a dam across a river
What happens to ecosystems upstream when a reservoir is created?
What happens to ecosystems upstream when a reservoir is created?
They are completely submerged by flooding
What are 'dead zones' in reservoirs?
What are 'dead zones' in reservoirs?
Oxygen-depleted deep water areas
How do dams affect fish migration?
How do dams affect fish migration?
They create a permanent physical barrier
What problem occurs when water is released from deep within a reservoir?
What problem occurs when water is released from deep within a reservoir?
It contains very little oxygen
How do reservoirs affect sediment downstream?
How do reservoirs affect sediment downstream?
They trap sediment that would flow naturally
What are water transfer schemes?
What are water transfer schemes?
Systems moving water from surplus to shortage
Why are species transfers through water schemes problematic?
Why are species transfers through water schemes problematic?
Transferred species may become invasive
How does water extraction affect donor areas?
How does water extraction affect donor areas?
Natural flooding becomes less frequent