Question 1

What is ENSO?

Accepted Answer

The acronym ENSO stands for El Nino/Sout...

Question 2

Which ocean surface current transports the greatest volume of water?

Accepted Answer

A)   The Kuroshio (or Japan)  Current
B)   The North Equatorial Current in the Pacific
C)   The South Equatorial Current in the Pacific
D)   The Antarctic Circumpolar CurrentE) A) and B)
F) A) and C)

Question 3

The Gulf Stream is a current that runs south along the eastern coast of the United States.

Accepted Answer

A) True 
 B)False

Question 4

The Kuroshio Current is an example of an eastern boundary current.

Accepted Answer

A) True 
 B)False

Question 5

Surface water extends to a depth of about _________.

Accepted Answer

A)   600 meters
B)   1,000 meters
C)   50 meters
D)   200 metersE) All of the above
F) A) and C)

Question 6

The Canary Current is an example of a(n) :

Accepted Answer

A)   shallow, cold water current.
B)   deep, cold water current.
C)   warm, southerly current.
D)   mesopelagic current.E) A) and B)
F) A) and C)

Question 7

How do scientists study currents?

Accepted Answer

Scientists ask many questions while stud...

Question 8

A transverse current is:

Accepted Answer

A)   a bottom current flowing in the same direction as an overlying surface current.
B)   a surface current that connects eastern-boundary and western-boundary currents.
C)   a cold surface current that flows from the poles towards the equator.
D)   a theoretical current not yet discovered.E) B) and C)
F) A) and D)

Question 9

Describe the two primary forces that set ocean water in motion and how they drive both surface and thermohaline currents.

Accepted Answer

On a global scale, winds from the atmosp...

Question 10

The main force driving thermohaline circulation is:

Accepted Answer

A)   wind.
B)   Coriolis effect.
C)   density.
D)   electromagnetic attraction.E) C) and D)
F) A) and B)

Question 11

Transverse currents can flow eastward or westward.

Accepted Answer

A) True 
 B)False

Question 12

One source of dissolved gases and nutrients to deep waters is:

Accepted Answer

A)   downwelling.
B)   upwelling.
C)   conduction.
D)   Langmuir Circulation.E) A) and B)
F) A) and C)

Question 13

Currents tend to move in large ____ patterns in the northern hemisphere.

Accepted Answer

A)   irregular
B)   counterclockwise
C)   clockwise
D)   randomE) All of the above
F) B) and C)

Question 14

Thermohaline circulation is a _________ phenomenon.

Accepted Answer

A)   small-scale
B)   global
C)   local
D)   coastalE) B) and D)
F) A) and B)

Question 15

Thermohaline circulation is responsible for large-scale movements of ocean water and depends on both the salinity and the temperature of water.

Accepted Answer

A) True 
 B)False

Question 16

The immediate source of surface currents is:

Accepted Answer

A)   weather.
B)   wind.
C)   the sun.
D)   the tides.E) All of the above
F) B) and C)

Question 17

Equatorial upwelling occurs in westward-flowing equatorial surface currents.

Accepted Answer

A) True 
 B)False

Question 18

Describe how ocean currents affect the global distribution of heat and give an example of how they moderate climate.

Accepted Answer

Surface currents that move quickly acros...

Question 19

All of the following statements are true about an Ekman spiral EXCEPT:

Accepted Answer

A)   the net flow of a wind-driven surface current in the northern hemisphere will flow about 90° angle to the wind.
B)   with increasing depth, each layer will move at an angle to the overlying layer of water.
C)   because of Ekman transport, at some depth, known as the friction depth, water will be moving in the opposite direction from the surface current.
D)   Ekman spiral is not influenced by Coriolis.E) None of the above
F) C) and D)

Question 20

Generally the fastest and deepest ocean currents are:

Accepted Answer

A)   northern boundary currents.
B)   eastern boundary currents.
C)   western boundary currents.
D)   southern boundary currents.E) A) and C)
F) A) and D)

Exam 8: Ocean Circulation

Transverse currents can flow eastward or westward.

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Describe how ocean currents affect the global distribution of heat and give an example of how they moderate climate.

Correct AnswerverifiedSurface currents that move quickly acros...View AnswerShow Answer

Equatorial upwelling occurs in westward-flowing equatorial surface currents.

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How do scientists study currents?

Correct AnswerverifiedScientists ask many questions while stud...View AnswerShow Answer

Which ocean surface current transports the greatest volume of water?

Correct AnswerverifiedShow Answer

The Canary Current is an example of a(n) :

Correct AnswerverifiedShow Answer

Thermohaline circulation is a _________ phenomenon.

Correct AnswerverifiedShow Answer

The immediate source of surface currents is:

Correct AnswerverifiedShow Answer

Describe the two primary forces that set ocean water in motion and how they drive both surface and thermohaline currents.

Correct AnswerverifiedOn a global scale, winds from the atmosp...View AnswerShow Answer

Surface water extends to a depth of about _________.

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The Kuroshio Current is an example of an eastern boundary current.

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A transverse current is:

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What is ENSO?

Correct AnswerverifiedThe acronym ENSO stands for El Nino/Sout...View AnswerShow Answer

One source of dissolved gases and nutrients to deep waters is:

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All of the following statements are true about an Ekman spiral EXCEPT:

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The Gulf Stream is a current that runs south along the eastern coast of the United States.

Correct AnswerverifiedShow Answer

Thermohaline circulation is responsible for large-scale movements of ocean water and depends on both the salinity and the temperature of water.

Correct AnswerverifiedShow Answer

Generally the fastest and deepest ocean currents are:

Correct AnswerverifiedShow Answer

The main force driving thermohaline circulation is:

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Currents tend to move in large ____ patterns in the northern hemisphere.

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Surface currents that move quickly acros...
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Scientists ask many questions while stud...
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On a global scale, winds from the atmosp...
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Correct Answer
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The acronym ENSO stands for El Nino/Sout...
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Correct Answer
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