If the wavelength of a set of waves is

20 feet long, how deep is the wave

base?

10 feet below the surface

How shallow must the ocean floor be

for waves to start to break for a wave

set with a wavelength of 20 feet?

Waves will break when the ocean floor

is 10 feet below the surface.

Which of the following distances

represents one wavelength of the

wave set drawn below?

A to C represents a wavelength

A set of waves are moving from east

to west. Assuming the boat is in deep

water, which of the following would

describe the motion of a boat during

the passage of these waves?

The boat would move up and down in

the water.

Which of the following statements

describe what happens to sediment

when a longshore current meets a

jetty?

Sediment is eroded on the downcurrent

side of the jetty because water

is starved of sediment in this location.

-Sediment is deposited on the upcurrent

side of the jetty because water

moves slower in this location.

Which of the following describes the

general pattern of movement of sand

on a shoreline?

Net sand movement is parallel to the

shore.

Which of the following coastal

features is not a characteristic of a

submergent coastline?

Wave-cut platform

Using the choices provided, identify

the erosional features and the

depositional features.

Barrier Island

Depositional

Using the choices provided, identify

the erosional features and the

depositional features.

Sea Arch

Erosional

The erosional retreat of a coastal cliff

will lead to the enlargement of a

________.

Wave-cut platform