Coastal Management Quiz

A ______ is a curved wall built at the base of cliffs to stop erosion and flooding.

______ are wooden barriers built at right angles to trap sand on the beach.

______ are large rocks placed at the base of cliffs to absorb wave energy.

______ are metal cages filled with rocks used to absorb wave energy.

In soft engineering, ______ is when sand is added back to beaches.

______ means letting the coast flood or erode in low-value areas.

In Hawaii, the ______ aims to reduce coastal hazards.

______ Beach in Hawaii is famous for surfing but is threatened by erosion.

What is the purpose of a sea wall?

• Build houses

• Reflect waves and stop flooding

• Plant trees

• Create fishing spots

Which of these is NOT a hard engineering method?

• Revetments

• Gabions

• Managed retreat

• Sea walls