Question 1

Identify the mismatched pair from the choices below.

Accepted Answer

A)  Agulhas Current, West Australia Current
B)  Brazil Current, Benguela Current
C)  Canary Current, Gulf Stream
D)  Kuroshio Current, California Current
E)  Labrador Current, Humboldt CurrentF) C) and D)
G) A) and B)

Question 2

Surface or wind-driven currents move water primarily in a vertical direction in the ocean.

Accepted Answer

A) True 
 B)False

Question 3

Geostrophic circulation within a gyre driven by:

Accepted Answer

A)  density and the wind.
B)  gravity and the Coriolis effect.
C)  temperature and pressure.
D)  the wind and pressure.
E)  salinity and gravity.F) B) and E)
G) B) and D)

Question 4

-Describe the circulation of deep ocean water.

Accepted Answer

The circulation of deep ocean water, als...

Question 5

Surface ocean currents are driven primarily by ________ and modified by ________.

Accepted Answer

A)  density differences; the Coriolis effect and land
B)  density differences; differences in salinity and temperature
C)  latitude; differences in salinity and land
D)  wind; the Coriolis effect and land
E)  wind; gravity and densityF) A) and B)
G) A) and C)

Question 6

Match the term or description with the appropriate phrase. You may use each answer once, more than once or not at all.
-Ekman transport

Accepted Answer

A)  seasonal wind pattern
B)  water mass found in the Sargasso Sea
C)  net water movement to the left or right of the direction of the wind
D)  movement of water from the bottom to the top of the water column
E)  unit of current velocityF) water flow driven by gravity and modified by the Coriolis forceG) movement of water from the top to the bottom of the water columnH) A) and B)
I) A) and E)

Question 7

Strong upwelling occurs in all of the following except:

Accepted Answer

A)  between the North and South Equatorial Currents.
B)  in areas of surface current divergence
C)  in the area surrounding the Galapagos Islands.
D)  where deep ocean water currents are formed.
E)  where water is constantly pushed away from a coastline.F) B) and E)
G) None of the above

Question 8

Which of the following is not an eastern boundary current?

Accepted Answer

A)  California Current
B)  Canary Current
C)  Gulf Stream
D)  Peru Current
E)  W)  Australian CurrentF) D) and E)
G) A) and C)

Question 9

Dynamic topography can be used to determine current direction and velocity.

Accepted Answer

A) True 
 B)False

Question 10

-Briefly describe the effects of severe El Niño events.

Accepted Answer

Severe El Niño events can be associated ...

Question 11

Match the term or person with the appropriate phrase. You may use each answer once, more than once or not at all.
-Benguela Current

Accepted Answer

A)  tropical latitudes
B)  cold current, northern hemisphere, temperate latitudes
C)  northern hemisphere, temperate latitudes, warm current
D)  cold current, southern hemisphere, temperate latitudes
E)  cold current, polar latitudes, southern hemisphereF) None of the above
G) A) and C)

Question 12

The main current in Antarctic waters is the Antarctic Circumpolar Current, also called the West Wind Drift.

Accepted Answer

A) True 
 B)False

Question 13

Deep-water circulation brings dense, cold, oxygen-rich water from the surface to the deep ocean because of:

Accepted Answer

A)  greater rates of photosynthesis in deep water.
B)  greater dissolution of oxygen in colder water than warmer water.
C)  increases in pH with depth.
D)  decreases in pH with depth.
E)  greater volcanic out-gassing at the ocean surface.F) B) and E)
G) None of the above

Question 14

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Accepted Answer

A)   Australian drought
B)   decreased fish stock in coastal Peru
C)   flooding rains in southeastern U.S.
D)   Peruvian upwelling stops
E)   strong trade windsF) B) and E)
G) A) and E)

Question 15

Sources of deep water in the ocean include all of the following except:

Accepted Answer

A)  southern subpolar latitudes.
B)  northern subpolar latitudes.
C)  subtropical convergences.
D)  Arctic convergence.
E)  Antarctic convergence.F) C) and E)
G) B) and E)

Question 16

Western boundary currents such as the Gulf Stream transport warm water from the tropics towards higher latitudes.

Accepted Answer

A) True 
 B)False

Question 17

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Accepted Answer

A)   thermohaline circulation
B)   density-driven circulation
C)   Antarctic Bottom Water
D)   Kuroshio Current
E)   North Atlantic Deep WaterF) C) and D)
G) A) and B)

Question 18

The densest ocean water is North Atlantic Deep Water.

Accepted Answer

A) True 
 B)False

Question 19

Deep ocean currents are driven primarily by ________ and modified by ________.

Accepted Answer

A)  density differences; the Coriolis effect and land
B)  density differences; differences in salinity and temperature
C)  latitude; differences in salinity and land
D)  wind; the Coriolis effect and land
E)  wind; gravity and densityF) B) and E)
G) A) and C)

Question 20

The El Niño Southern Oscillation can best be described as:

Accepted Answer

A)  relative changes between two different atmospheric pressure systems at high altitude.
B)  the relationship between sea surface temperature and changing atmospheric pressure.
C)  tidal differences between coastal Peru and Darwin, Australia.
D)  variation in wind speed over the Pacific Ocean.
E)  wind speed and wind direction differences along the equator.F) B) and C)
G) D) and E)

Exam 7: Ocean Circulation

Western boundary currents such as the Gulf Stream transport warm water from the tropics towards higher latitudes.

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Deep ocean currents are driven primarily by ________ and modified by ________.

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Strong upwelling occurs in all of the following except:

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Match the term or description with the appropriate phrase. You may use each answer once, more than once or not at all. -Ekman transport

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Dynamic topography can be used to determine current direction and velocity.

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The densest ocean water is North Atlantic Deep Water.

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Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

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The El Niño Southern Oscillation can best be described as:

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Surface or wind-driven currents move water primarily in a vertical direction in the ocean.

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The main current in Antarctic waters is the Antarctic Circumpolar Current, also called the West Wind Drift.

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Match the term or person with the appropriate phrase. You may use each answer once, more than once or not at all. -Benguela Current

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Sources of deep water in the ocean include all of the following except:

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Geostrophic circulation within a gyre driven by:

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Deep-water circulation brings dense, cold, oxygen-rich water from the surface to the deep ocean because of:

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-Describe the circulation of deep ocean water.

Correct AnswerAnswered by ExamLex AIThe circulation of deep ocean water, als...View AnswerShow Answer

Surface ocean currents are driven primarily by ________ and modified by ________.

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Which of the following is not an eastern boundary current?

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Identify the mismatched pair from the choices below.

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-Briefly describe the effects of severe El Niño events.

Correct AnswerverifiedSevere El Niño events can be associated ...View AnswerShow Answer

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern.

Correct AnswerverifiedShow Answer

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Deep ocean currents are driven primarily by and modified by .

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The circulation of deep ocean water, als...
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Surface ocean currents are driven primarily by and modified by .

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Severe El Niño events can be associated ...
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