Question 1

Geostrophic circulation is within a gyre driven by:

Accepted Answer

A) density. 
B) gravity. 
C) temperature. 
D) the Coriolis effect. 
E) wind. 
A) density. 
B) gravity. 
C) temperature. 
D) the Coriolis effect. 
E) wind.

Question 2

Which of the following is true of surface water circulation near Antarctica?

Accepted Answer

A) A gyre is formed here. 
B) Two circumpolar currents dominate it,one current that moves water to the east and one current that moves water to the west. 
C) It is dominated by water flow directly away from the polar region toward the north. 
D) The surface ocean has no strong currents. 
E) The polar easterlies drive the circulation of water around the Antarctic continent. 
A) A gyre is formed here. 
B) Two circumpolar currents dominate it,one current that moves water to the east and one current that moves water to the west. 
C) It is dominated by water flow directly away from the polar region toward the north. 
D) The surface ocean has no strong currents. 
E) The polar easterlies drive the circulation of water around the Antarctic continent.

Question 3

The Mediterranean Sea has little influence on the water of the Atlantic Ocean.

Accepted Answer

A) True 
 B)False

Question 4

During winter months,monsoon winds over the Indian Ocean:

Accepted Answer

A) flow from land to sea and are dry. 
B) flow from land to sea and are wet. 
C) flow from sea to land and are dry. 
D) flow from sea to land and are wet. 
E) the direction of airflow is unchanged but precipitation increases. 
A) flow from land to sea and are dry. 
B) flow from land to sea and are wet. 
C) flow from sea to land and are dry. 
D) flow from sea to land and are wet. 
E) the direction of airflow is unchanged but precipitation increases.

Question 5

The El Niño weather pattern is associated with:

Accepted Answer

A) about a 0.5 meter difference in sea surface height between Tahiti and Darwin,Australia. 
B) cold,nutrient-rich water close to the sea surface near the coast of Peru. 
C) drought and fires in Australia. 
D) high pressure sitting over coastal Peru. 
E) trade winds blowing east to west. 
A) about a 0.5 meter difference in sea surface height between Tahiti and Darwin,Australia. 
B) cold,nutrient-rich water close to the sea surface near the coast of Peru. 
C) drought and fires in Australia. 
D) high pressure sitting over coastal Peru. 
E) trade winds blowing east to west.

Question 6

Deep ocean water masses have characteristic temperatures and salinities.

Accepted Answer

A) True 
 B)False

Question 7

Surface waters are pushed away from land and replaced by nutrient-rich bottom water through:

Accepted Answer

A) convergence. 
B) downwelling. 
C) land breezes. 
D) sea breezes. 
E) upwelling. 
A) convergence. 
B) downwelling. 
C) land breezes. 
D) sea breezes. 
E) upwelling.

Question 8

The Gulf Stream moves water away from the equator;the Benguela Current moves some of this same water back toward the equator.

Accepted Answer

A) True 
 B)False

Question 9

Scientists have concluded that deep Pacific Ocean water is old is due to its low:

Accepted Answer

A) density. 
B) nutrient levels. 
C) oxygen levels. 
D) salinity. 
E) temperature. 
A) density. 
B) nutrient levels. 
C) oxygen levels. 
D) salinity. 
E) temperature.

Question 10

The largest current by volume in the oceans is the Antarctic Circumpolar Current.

Accepted Answer

A) True 
 B)False

Question 11

Westward intensification causes:

Accepted Answer

A) a steeper slope of surface water in the western section of the gyre as compare to the eastern section of the gyre. 
B) equatorial countercurrents. 
C) the center of the gyre to be shift to the west. 
D) very swift western boundary currents. 
E) All of the above statements are the result of westward intensification. 
A) a steeper slope of surface water in the western section of the gyre as compare to the eastern section of the gyre. 
B) equatorial countercurrents. 
C) the center of the gyre to be shift to the west. 
D) very swift western boundary currents. 
E) All of the above statements are the result of westward intensification.

Question 12

Equatorial currents are driven by the:

Accepted Answer

A) Coriolis force. 
B) density. 
C) Ekman transport. 
D) trade winds. 
E) westerlies. 
A) Coriolis force. 
B) density. 
C) Ekman transport. 
D) trade winds. 
E) westerlies.

Question 13

Compared to Antarctic Bottom Water,North Atlantic Deep Water is:

Accepted Answer

A) colder. 
B) denser. 
C) higher in nutrients. 
D) higher in salinity. 
E) lower in oxygen. 
A) colder. 
B) denser. 
C) higher in nutrients. 
D) higher in salinity. 
E) lower in oxygen.

Question 14

Surface ocean circulation is 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 density 
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 density

Question 15

Deep ocean water in the Indian Ocean includes Red Sea water which has

Accepted Answer

A) high salinity and low oxygen. 
B) high salinity and low temperature. 
C) low salinity and low oxygen. 
D) low temperature and high oxygen. 
E) low temperature and low salinity. 
A) high salinity and low oxygen. 
B) high salinity and low temperature. 
C) low salinity and low oxygen. 
D) low temperature and high oxygen. 
E) low temperature and low salinity.

Question 16

The Sargasso Sea is located in the:

Accepted Answer

A) Arctic Ocean. 
B) Indian Ocean. 
C) North Atlantic Ocean. 
D) North Pacific Ocean. 
E) South Atlantic Ocean. 
A) Arctic Ocean. 
B) Indian Ocean. 
C) North Atlantic Ocean. 
D) North Pacific Ocean. 
E) South Atlantic Ocean.

Question 17

Match between columns
                        Premises: West Wind Drift
California Current
Canary Current
Gulf Stream
Benguela Current
Kurishio Current

Accepted Answer

The Answer of warm current and polar latitudes and cold is...

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Compared to a western boundary current,which of the following statements is true for an eastern boundary current?

Accepted Answer

A) Eastern boundary currents are broad and deep. 
B) Eastern boundary currents are broad and slow. 
C) Eastern boundary currents are deep and swift. 
D) Eastern boundary currents are narrow and deep. 
E) Eastern boundary currents are shallow and swift. 
A) Eastern boundary currents are broad and deep. 
B) Eastern boundary currents are broad and slow. 
C) Eastern boundary currents are deep and swift. 
D) Eastern boundary currents are narrow and deep. 
E) Eastern boundary currents are shallow and swift.

Question 20

Which of the following is a western boundary current?

Accepted Answer

A) Benguela Current 
B) Brazil Current 
C) Canary Current 
D) California Current 
E) Peru Current 
A) Benguela Current 
B) Brazil Current 
C) Canary Current 
D) California Current 
E) Peru Current

Geostrophic circulation is within a gyre driven by:

Which of the following is true of surface water circulation near Antarctica?

The Mediterranean Sea has little influence on the water of the Atlantic Ocean.

During winter months,monsoon winds over the Indian Ocean:

The El Niño weather pattern is associated with:

Deep ocean water masses have characteristic temperatures and salinities.

Surface waters are pushed away from land and replaced by nutrient-rich bottom water through:

The Gulf Stream moves water away from the equator;the Benguela Current moves some of this same water back toward the equator.

Scientists have concluded that deep Pacific Ocean water is old is due to its low:

The largest current by volume in the oceans is the Antarctic Circumpolar Current.

Westward intensification causes:

Equatorial currents are driven by the:

Compared to Antarctic Bottom Water,North Atlantic Deep Water is:

Surface ocean circulation is driven primarily by _ and modified by __.

Deep ocean water in the Indian Ocean includes Red Sea water which has

The Sargasso Sea is located in the:

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

Compared to a western boundary current,which of the following statements is true for an eastern boundary current?

Which of the following is a western boundary current?

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

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Exam 7: Ocean Circulation

Geostrophic circulation is within a gyre driven by:

Which of the following is true of surface water circulation near Antarctica?

The Mediterranean Sea has little influence on the water of the Atlantic Ocean.

During winter months,monsoon winds over the Indian Ocean:

The El Niño weather pattern is associated with:

Deep ocean water masses have characteristic temperatures and salinities.

Surface waters are pushed away from land and replaced by nutrient-rich bottom water through:

The Gulf Stream moves water away from the equator;the Benguela Current moves some of this same water back toward the equator.

Scientists have concluded that deep Pacific Ocean water is old is due to its low:

The largest current by volume in the oceans is the Antarctic Circumpolar Current.

Westward intensification causes:

Equatorial currents are driven by the:

Compared to Antarctic Bottom Water,North Atlantic Deep Water is:

Surface ocean circulation is driven primarily by _______ and modified by ________.

Deep ocean water in the Indian Ocean includes Red Sea water which has

The Sargasso Sea is located in the:

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

Compared to a western boundary current,which of the following statements is true for an eastern boundary current?

Which of the following is a western boundary current?

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interface

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Oceans

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

Filters

Surface ocean circulation is driven primarily by _ and modified by __.