Question 1

Surface currents affect about 90% of the world's ocean water.

Accepted Answer

A) True 
 B)False

Question 2

Which type of current flow moves in a circular path around a subtropical convergence, reflecting Ekman transport, gravity, and the Coriolis effect?

Accepted Answer

A) counter-current circulation 
B) density-driven circulation 
C) geostrophic circulation 
D) Langmuir circulation 
E) thermohaline circulation 
A) counter-current circulation 
B) density-driven circulation 
C) geostrophic circulation 
D) Langmuir circulation 
E) thermohaline circulation

Question 3

The worldwide effects of El Niño include all of the following except:

Accepted Answer

A) coral reef deaths in the Pacific Ocean. 
B) crop failure in the Philippines. 
C) drought in the U.S. Gulf coastal states. 
D) increased Pacific cyclone activity. 
E) water shortages in Sri Lanka. 
A) coral reef deaths in the Pacific Ocean. 
B) crop failure in the Philippines. 
C) drought in the U.S. Gulf coastal states. 
D) increased Pacific cyclone activity. 
E) water shortages in Sri Lanka.

Question 4

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 5

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

Question 6

Deep ocean currents often move cold, dense water away from the poles.

Accepted Answer

A) True 
 B)False

Question 7

The circular movement of surface water currents driven by the major wind belts are called gyres.

Accepted Answer

A) True 
 B)False

Question 8

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

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 hemisphere 
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 hemisphere

Question 9

Discuss the biological impact of upwelling and downwelling on marine ecosystems. Provide examples of marine systems that are impacted by these processes in your answer.

Accepted Answer

Upwelling and downwelling are important

Question 10

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

Question 11

-Discuss the relationship between Ekman transport and geostrophic flow within a gyre. How does this relationship contribute to western intensification?

Accepted Answer

Ekman transport and geostrophic flow are

Question 12

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 13

Thermohaline circulation is driven by:

Accepted Answer

A) density differences. 
B) the Coriolis effect. 
C) latitude. 
D) longitude. 
E) wind. 
A) density differences. 
B) the Coriolis effect. 
C) latitude. 
D) longitude. 
E) wind.

Question 14

Monsoons are seasonal pressure systems that develop at lower latitudes over continents, which cause changes in seasonal winds and precipitation patterns.

Accepted Answer

A) True 
 B)False

Question 15

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 16

In the southern hemisphere, the direction of Ekman transport is always:

Accepted Answer

A) at a 45° angle from the wind direction. 
B) perpendicular to the wind direction. 
C) to the east of the wind direction. 
D) to the left of the wind direction. 
E) to the right of the wind direction. 
A) at a 45° angle from the wind direction. 
B) perpendicular to the wind direction. 
C) to the east of the wind direction. 
D) to the left of the wind direction. 
E) to the right of the wind direction.

Question 17

All are true of the Antarctic Circumpolar Current except:

Accepted Answer

A) the Antarctic Circumpolar Current contributes to the development of Antarctic bottom water in the Weddell Sea. 
B) the Antarctic Circumpolar Current contributes to upwelling off the Antarctic coast producing an area of high primary productivity in Antarctic summer. 
C) the Antarctic Circumpolar Current flows in a counterclockwise direction around the southern hemisphere at 60°S latitude. 
D) the Antarctic Circumpolar Current flows in the opposite direction to the East Wind Drift, a current the flows close to the Antarctic continent. 
E) the Antarctic Circumpolar Current is created by the prevailing winds at that latitude. 
A) the Antarctic Circumpolar Current contributes to the development of Antarctic bottom water in the Weddell Sea. 
B) the Antarctic Circumpolar Current contributes to upwelling off the Antarctic coast producing an area of high primary productivity in Antarctic summer. 
C) the Antarctic Circumpolar Current flows in a counterclockwise direction around the southern hemisphere at 60°S latitude. 
D) the Antarctic Circumpolar Current flows in the opposite direction to the East Wind Drift, a current the flows close to the Antarctic continent. 
E) the Antarctic Circumpolar Current is created by the prevailing winds at that latitude.

Question 18

In the northern hemisphere, Ekman transport pushes surface water to the right of the wind direction.

Accepted Answer

A) True 
 B)False

Question 19

During its time in the deep ocean, deep water can become enriched in oxygen.

Accepted Answer

A) True 
 B)False

Question 20

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 circulation of water around the Antarctic continent is driven by density differences. 
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 circulation of water around the Antarctic continent is driven by density differences.

Surface currents affect about 90% of the world's ocean water.

Which type of current flow moves in a circular path around a subtropical convergence, reflecting Ekman transport, gravity, and the Coriolis effect?

The worldwide effects of El Niño include all of the following except:

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

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

Deep ocean currents often move cold, dense water away from the poles.

The circular movement of surface water currents driven by the major wind belts are called gyres.

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

Discuss the biological impact of upwelling and downwelling on marine ecosystems. Provide examples of marine systems that are impacted by these processes in your answer.

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

-Discuss the relationship between Ekman transport and geostrophic flow within a gyre. How does this relationship contribute to western intensification?

During winter months, monsoon winds over the Indian Ocean:

Thermohaline circulation is driven by:

Monsoons are seasonal pressure systems that develop at lower latitudes over continents, which cause changes in seasonal winds and precipitation patterns.

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

In the southern hemisphere, the direction of Ekman transport is always:

All are true of the Antarctic Circumpolar Current except:

In the northern hemisphere, Ekman transport pushes surface water to the right of the wind direction.

During its time in the deep ocean, deep water can become enriched in oxygen.

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

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Waves and Water Dynamics

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The Coast: Beaches and Shoreline Processes

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Biological Productivity and Energy Transfer

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Animals of the Benthic Environment

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Exam 7: Ocean Circulation

Surface currents affect about 90% of the world's ocean water.

Which type of current flow moves in a circular path around a subtropical convergence, reflecting Ekman transport, gravity, and the Coriolis effect?

The worldwide effects of El Niño include all of the following except:

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

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

Deep ocean currents often move cold, dense water away from the poles.

The circular movement of surface water currents driven by the major wind belts are called gyres.

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

Discuss the biological impact of upwelling and downwelling on marine ecosystems. Provide examples of marine systems that are impacted by these processes in your answer.

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

-Discuss the relationship between Ekman transport and geostrophic flow within a gyre. How does this relationship contribute to western intensification?

During winter months, monsoon winds over the Indian Ocean:

Thermohaline circulation is driven by:

Monsoons are seasonal pressure systems that develop at lower latitudes over continents, which cause changes in seasonal winds and precipitation patterns.

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

In the southern hemisphere, the direction of Ekman transport is always:

All are true of the Antarctic Circumpolar Current except:

In the northern hemisphere, Ekman transport pushes surface water to the right of the wind direction.

During its time in the deep ocean, deep water can become enriched in oxygen.

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

Introduction to Planet Earth

Plate Tectonics and the Ocean Floor

Marine Provinces

Marine Sediments

Water and Seawater

Air-Sea Interaction

Waves and Water Dynamics

Tides

The Coast: Beaches and Shoreline Processes

The Coastal Ocean

Marine Life and the Marine Environment

Biological Productivity and Energy Transfer

Animals of the Pelagic Environment

Animals of the Benthic Environment

The Oceans and Climate Change

Filters