Coastal Erosion Quiz

What are the traditional coastal erosion solution?

• Sandbags

• Geotubes

• Hard armor systems

• Dune stabilization

Which of the following structures is designed to trap sand in the surf zone?

• Jetty

• Breakwaters

• Seawalls

• Groins

What is the primary function of a bulkhead?

• To protect harbors

• To retain fill at locations with limited wave action

• To resist coastal erosion

• To trap sand in the surf zone

Which soft armor coastal protection mimics and strengthens the natural coastline?

• Dune stabilization

• Sandbags

• Oyster reefs

• Geotubes

What is the purpose of installing sand fence for dune stabilization?

• To control wind erosion

• To trap sand in the surf zone

• To provide shelter to fishing boats

• To protect harbors

What is the primary advantage of oyster reefs?

• Self-sustaining population

• Economic food source

• Competition with eel grass

• Costly maintenance

Which type of hard stabilization is built beyond the surf zone?

• Groins

• Jetties

• Breakwaters

• Seawalls

What is the disadvantage of using sandbags for coastal protection?

• Expensive to construct

• Require special equipment/skill for installation

• Synthetic material

• Require equipment to be filled and placed

What is the primary function of a seawall?

• To separate the land and the water

• To resist coastal erosion

• To retain fill at locations with limited wave action

• To protect harbors

What is the disadvantage of using geotubes for coastal protection?

• Years of wind can bury them

• Require man power to stack them into place

• Re-exposed over time or after a storm

• Require equipment to be filled and placed