Exam 11: Coastal Hazards

What are swells?

A person decides to build a house on a bluff overlooking a beautiful lake. Explain why this might not be a good investment and how building the house makes the problem greater.

Seawalls are usually only a temporary solution to shoreline erosion because they tend to reflect energy back to the ocean causing increased erosion.

Rip currents are currents that pull objects away from the shore rather than towards it.

If you were watching waves from the shore and started counting the seconds between one crest to the next, what would you be measuring?

What characteristic of waves increases as they hit the coastline?

Which of the following does NOT affect the erosion of the coastlines on the Great Lakes?

What is the most likely cause of beach erosion on wide beaches?

Describe one hard stabilization method, how it works to minimize coastal erosion and the drawbacks of using it.

Which type of wave would you expect to see near the cliffs on the West Coast of the United States?

If you are on the beach on the edge of the water looking out at people sunbathing, you are probably looking towards the berm.