Question 1

Elevated wave-cut platforms in Southern California are evidence that this coastal area is emergent.

Accepted Answer

A) True 
 B)False

Question 2

If you go to a beach in the continental United States and you are standing on a long,flat strand of sand,and you look away from the open ocean and see only a few low sand dunes and then a large,open waterway,where are you?

Accepted Answer

A)  on a surfing beach in California
B)  on a the Oregon coast at the mouth of river
C)  on a barrier island on the Florida Gulf Coast
D)  You must be on a Pacific Island; there is nothing like that on U.S.coastlines.E) A) and C)
F) B) and C)

Question 3

The Gulf Coast lacks barrier islands.

Accepted Answer

A) True 
 B)False

Question 4

What type of current is illustrated in the diagram below?

Accepted Answer

The answer of What type of current is illustrated in...

Question 5

When you are swimming in the surf and ride a wave into the limit of the wave washup,you are deposited on the shoreline.

Accepted Answer

A) True 
 B)False

Question 6

Large circular-moving currents of water within an ocean basin are called ________.

Accepted Answer

The answer of Large circular-moving currents of water within an...

Question 7

You are body surfing in modest waves that are breaking just offshore.A particularly big one catches you off guard,flips you over and over,and deposits you on the shore.As you lie there in the sand,you think,hey,I just landed on ________.

Accepted Answer

A)  the backshore
B)  the beachface
C)  a coastal dune
D)  a nearshore bar (not the kind that serves drinks) E) B) and C)
F) A) and D)

Question 8

The movement of water within the surf zone that parallels the shore is termed ________.

Accepted Answer

A)  tidal current
B)  salinity current
C)  beach drift
D)  longshore currentE) A) and B)
F) C) and D)

Question 9

Construction of a seawall produces an effect analogous to what kind of natural coastal feature?

Accepted Answer

A)  a sea cliff producing erosion at the base of the sea cliff (i.e.,the seawall) 
B)  an island offshore breaking waves and trapping sand behind to form a tombolo
C)  a barrier island,which forms an artificial beach at the front of the seawall
D)  a spit,formed by sand moving by longshore drift accumulating along the opening of a tidal channelE) None of the above
F) C) and D)

Question 10

wave height wave period wave refraction fetch

Accepted Answer

The answer of wave height wave period wave refraction fetch...

Question 11

The height,length,and period of a wave depend upon ________.

Accepted Answer

A)  the length of time the wind has blown
B)  the wind speed
C)  the fetch
D)  all of theseE) B) and C)
F) All of the above

Question 12

Rocks and sand on beaches become rounded rapidly because ________.

Accepted Answer

A)  rip currents move the sand offshore rapidly,abrading the fragments
B)  the swash action of waves rolls loose material up and down the beach,where it is abraded rapidly to produce rounded grains
C)  Beach sand is mostly calcium carbonate from reefs and so gets rounded easily
D)  There is nothing particularly prominent in beaches that produces more rounding than other sedimentary processes.E) A) and D)
F) A) and C)

Question 13

Which of the following is designed to prevent or retard shoreline erosion?

Accepted Answer

A)  groin
B)  beach nourishment
C)  seawall
D)  all of theseE) A) and B)
F) A) and C)

Question 14

Horn Island is a small island about 10 km offshore from Biloxi,Mississippi,that is about 20 km long and 1 km wide.What are features like Horn Island called?

Accepted Answer

A)  beaches
B)  reefs
C)  sand spits
D)  barrier islandsE) B) and D)
F) A) and D)

Question 15

Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction.

Accepted Answer

A)  wave-cut tombolo
B)  wave-cut cliff
C)  wave-cut barrier beach
D)  offshore,wave-cut,breakwater barE) B) and D)
F) C) and D)

Question 16

The rising of cold water from deeper layers to replace warmer surface water is called ________.

Accepted Answer

The answer of The rising of cold water from deeper...

Question 17

The horizontal distance separating successive wave crests is called the wave period.

Accepted Answer

A) True 
 B)False

Question 18

sea stack bar tombolo barrier island

Accepted Answer

The answer of sea stack bar tombolo barrier island...

Question 19

Waves begin to "feel bottom" when the depth of water is ________.

Accepted Answer

A)  equal to its wave base
B)  equal to the wavelength
C)  twice as great as the wavelength
D)  three times as great as the wavelengthE) None of the above
F) B) and D)

Question 20

You have a fancy beach house in the east coast of Florida.The main wave source is to the northeast.Your neighbor to the south of you is having problems with beach erosion and storm waves often come under his house.So he decides to build a groin and he tells you it is for the benefit of the neighborhood.What should you respond to his comment?

Accepted Answer

A)  Thanks buddy,I was thinking about doing that myself but you just saved me the money.
B)  Ask for clarification of what type of material he will use,to make sure it is strong enough.
C)  Tell him no way.He is going to destroy the beach in front of your house.If he proceeds you might need to find a lawyer.
D)  Don't worry,be happy,you're on the beach.It won't hurt anything.E) All of the above
F) A) and B)

Exam 15: The Dynamic Ocean

Which of the following is designed to prevent or retard shoreline erosion?

Correct Answer
verified

If you go to a beach in the continental United States and you are standing on a long,flat strand of sand,and you look away from the open ocean and see only a few low sand dunes and then a large,open waterway,where are you?

Correct Answer
verified

sea stack bar tombolo barrier island

Correct Answer
verified

Elevated wave-cut platforms in Southern California are evidence that this coastal area is emergent.

Correct Answer
verified

The horizontal distance separating successive wave crests is called the wave period.

Correct Answer
verified

What type of current is illustrated in the diagram below?

Correct Answer
verified

Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction.

Correct Answer
verified

The Gulf Coast lacks barrier islands.

Correct Answer
verified

Correct Answer
verified

Rocks and sand on beaches become rounded rapidly because ________.

Correct Answer
verified

Large circular-moving currents of water within an ocean basin are called ________.

Correct Answer
verified

wave height wave period wave refraction fetch

Correct Answer
verified

The movement of water within the surf zone that parallels the shore is termed ________.

Correct Answer
verified

Horn Island is a small island about 10 km offshore from Biloxi,Mississippi,that is about 20 km long and 1 km wide.What are features like Horn Island called?

Correct Answer
verified

The rising of cold water from deeper layers to replace warmer surface water is called ________.

Correct Answer
verified

When you are swimming in the surf and ride a wave into the limit of the wave washup,you are deposited on the shoreline.

Correct Answer
verified

Construction of a seawall produces an effect analogous to what kind of natural coastal feature?

Correct Answer
verified

You are body surfing in modest waves that are breaking just offshore.A particularly big one catches you off guard,flips you over and over,and deposits you on the shore.As you lie there in the sand,you think,hey,I just landed on ________.

Correct Answer
verified

Waves begin to "feel bottom" when the depth of water is ________.

Correct Answer
verified

The height,length,and period of a wave depend upon ________.

Correct Answer
verified

Exam 15: The Dynamic Ocean

Which of the following is designed to prevent or retard shoreline erosion?

Correct AnswerverifiedShow Answer

If you go to a beach in the continental United States and you are standing on a long,flat strand of sand,and you look away from the open ocean and see only a few low sand dunes and then a large,open waterway,where are you?

Correct AnswerverifiedShow Answer

sea stack bar tombolo barrier island

Correct AnswerverifiedShow Answer

Elevated wave-cut platforms in Southern California are evidence that this coastal area is emergent.

Correct AnswerverifiedShow Answer

The horizontal distance separating successive wave crests is called the wave period.

Correct AnswerverifiedShow Answer

What type of current is illustrated in the diagram below?

Correct AnswerverifiedShow Answer

Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction.

Correct AnswerverifiedShow Answer

The Gulf Coast lacks barrier islands.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Rocks and sand on beaches become rounded rapidly because ________.

Correct AnswerverifiedShow Answer

Large circular-moving currents of water within an ocean basin are called ________.

Correct AnswerverifiedShow Answer

wave height wave period wave refraction fetch

Correct AnswerverifiedShow Answer

The movement of water within the surf zone that parallels the shore is termed ________.

Correct AnswerverifiedShow Answer

Horn Island is a small island about 10 km offshore from Biloxi,Mississippi,that is about 20 km long and 1 km wide.What are features like Horn Island called?

Correct AnswerverifiedShow Answer

The rising of cold water from deeper layers to replace warmer surface water is called ________.

Correct AnswerverifiedShow Answer

When you are swimming in the surf and ride a wave into the limit of the wave washup,you are deposited on the shoreline.

Correct AnswerverifiedShow Answer

Construction of a seawall produces an effect analogous to what kind of natural coastal feature?

Correct AnswerverifiedShow Answer

You are body surfing in modest waves that are breaking just offshore.A particularly big one catches you off guard,flips you over and over,and deposits you on the shore.As you lie there in the sand,you think,hey,I just landed on ________.

Correct AnswerverifiedShow Answer

Waves begin to "feel bottom" when the depth of water is ________.

Correct AnswerverifiedShow Answer

The height,length,and period of a wave depend upon ________.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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