Exam 10: Coasts, Beaches, and Estuaries

Waves that approach the shore at an angle produce a longshore current that flows parallel to the beach.

During the last glacial period, sea level was approximately 100 feet lower than today.

High-energy waves of winter storms ________.

If sea level is to remain constant, the water budget of an estuary requires that all inputs of water equal T_o.

An example of a ria coast is ________.

A partially mixed estuary generally has a two-layered flow that moves inward at depth and seaward at the surface.

A coastal circulation cell includes ________.

The backshore ________.

If, in a partially mixed estuary, the seaward flow is 15 units per day and the river input is 11 units per day the net saltwater flow is ________ units per day.

The influx of seawater at depth in an estuary ________.

Which part of the beach includes the area between the high- and low-tide shorelines?

A low-tide terrace forms ________.

The beach face ________.

If tidal currents are slight in an estuary but river flow is very large, which type of estuary is most likely to occur?

Barrier Islands are common features along the coasts of the southeast United States.

Which of the following coastal engineering structures is built perpendicular to the shoreline?

In a well-mixed shallow estuary, the net seaward flow occurs at ________.

A coral reef coast is a product of ________.

An example of a fault coast is ________.

A winter berm tends to be farther inland than a summer berm.