Hard Engineering (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which materials are used in hard engineering to protect the coast?
Which materials are used in hard engineering to protect the coast?
Concrete, boulders, wood & metal
How does hard engineering differ from soft engineering?
How does hard engineering differ from soft engineering?
Hard works against nature
What is the main purpose of a sea wall's recurved (curved) top?
What is the main purpose of a sea wall's recurved (curved) top?
Redirects waves back towards the sea
How does rock armour (rip-rap) reduce wave energy?
How does rock armour (rip-rap) reduce wave energy?
Gaps between rocks absorb & dissipate it
What are gabions made from?
What are gabions made from?
Rocks in steel wire mesh cages
At what angle are groynes typically built from perpendicular to the coast?
At what angle are groynes typically built from perpendicular to the coast?
5 to 10 degrees
What problem can groynes cause downdrift along the coast?
What problem can groynes cause downdrift along the coast?
Starve areas of sediment
What is the main function of barrages?
What is the main function of barrages?
Prevent flooding in estuaries
How can offshore reefs break wave energy before it reaches shore?
How can offshore reefs break wave energy before it reaches shore?
Sunken ships parallel to shoreline
Approximately how much can sea walls cost per metre to construct?
Approximately how much can sea walls cost per metre to construct?
Over £7,000