Dynamic Coastline Review

Front

A ____ protrudes perpendicular from shore to protect a harbor. A ____ creates an artificial calm water lagoon.

Back

Jetty/Breakwater

Front

The Cascade range of the Pacific Northwest is a mountain range comprised of volcanos. What kind of coastline does the eroding rock form?

Back

primary coasts are generally young and are shaped by terrestrial processes, including erosion, river/stream deposition, glaciers, volcanism, and tectonic movements

Front

Factors that affect the shape and appearance of a beach include: The slope of the beach, Sediment grain size, Wave Energy crashing on the beach

Back

All of the above

Front

Mangroves affect the coast by (Choose the most correct answer) Holding sediment in place, Absorbing wave energy and calming the water as the waves crash through the trees., Generating backwash, Both holding sediment and absorbing wave energy

Back

Both holding sediment and absorbing wave energy

Front

Is the coastline of Florida also considered a Secondary coast?

Back

Yes, because it has marine sediments from the remains of coral reefs which are also examples of a Secondary Coastline.

Front

During which season do sand beaches shrink smaller due to storms? Summer, Spring, Fall, Winter

Back

Winter

Front

The part of a coral polyp that creates the structure of a coral reef, and is left behind when the polyp dies is its ______?

Back

Skeleton

Front

Beach renourishment: Pumping sand from offshore back on to the beach to rebuild it, why is this done at all?

Back

During the Winter months when storm erosion is at is worst, the beach looses a great deal of sand naturally, and must be replaced to maintain the same amount of "beach width" during the summer months.

Front

Longshore drift moves material along the coastline

Back

parallel to shore with wave direction

Front

Seawall: pile of rocks that protect a shoreline and run ________ to the shore near the waterline

Back

parallel