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