Question 1

The highly productive seas along the equator are the result of the tropical convergence located there.

Accepted Answer

A) True 
 B)False

Question 2

If extremely cold fresh water is added on top of seawater,

Accepted Answer

A)  the cold water will float at the surface. 
B)  the cold water will sink to the bottom and stagnate. 
C)  the cold water will sink and move rapidly out of the area. 
D)  an overturn will begin immediately. 
E)  the wind will control the surface mixing. 
A)  the cold water will float at the surface. 
B)  the cold water will sink to the bottom and stagnate. 
C)  the cold water will sink and move rapidly out of the area. 
D)  an overturn will begin immediately. 
E)  the wind will control the surface mixing.

Question 3

The single most important source of deep water to all of the world's oceans is

Accepted Answer

A)  downwelling in the North Atlantic. 
B)  Antarctic intermediate water. 
C)  subduction in all oceans. 
D)  the Peru current along the South American coast. 
E)  Antarctic intermediate water and the Peru current along the South American coast. 
A)  downwelling in the North Atlantic. 
B)  Antarctic intermediate water. 
C)  subduction in all oceans. 
D)  the Peru current along the South American coast. 
E)  Antarctic intermediate water and the Peru current along the South American coast.

Question 4

When geostrophic flow is achieved, the ______ force is balanced by the _______ force.

Accepted Answer

A)  centrifugal; centripetal 
B)  Coriolis; centrifugal 
C)  Coriolis, gravitational 
D)  gravitational; centrifugal 
E)  centripetal; centrifugal 
A)  centrifugal; centripetal 
B)  Coriolis; centrifugal 
C)  Coriolis, gravitational 
D)  gravitational; centrifugal 
E)  centripetal; centrifugal

Question 5

The pycnocline of the oceans is usually found at depths exceeding 2000m.

Accepted Answer

A) True 
 B)False

Question 6

The Arctic Ocean receives

Accepted Answer

A)  North Atlantic water from the Labrador Current. 
B)  North Atlantic water from the Norwegian current. 
C)  North Pacific water through the Bering Strait. 
D)  North Atlantic water from the Labrador Current and North Atlantic water from the Norwegian current. 
E)  North Atlantic water from the Norwegian current and North Pacific water through the Bering Strait. 
A)  North Atlantic water from the Labrador Current. 
B)  North Atlantic water from the Norwegian current. 
C)  North Pacific water through the Bering Strait. 
D)  North Atlantic water from the Labrador Current and North Atlantic water from the Norwegian current. 
E)  North Atlantic water from the Norwegian current and North Pacific water through the Bering Strait.

Question 7

A water type having both high salinity and warm temperature but dense enough to be found at about 1000m in the central North Atlantic has been formed

Accepted Answer

A)  in equatorial regions. 
B)  in the Red Sea. 
C)  in the Mediterranean Sea. 
D)  near Greenland. 
E)  in the Caribbean Sea. 
A)  in equatorial regions. 
B)  in the Red Sea. 
C)  in the Mediterranean Sea. 
D)  near Greenland. 
E)  in the Caribbean Sea.

Question 8

Currents are more intense on the _______ side of the North Pacific and North Atlantic Oceans.

Accepted Answer

A)  northern 
B)  southern 
C)  eastern 
D)  western 
E)  None of these are correct; they are not more intense on one side. 
A)  northern 
B)  southern 
C)  eastern 
D)  western 
E)  None of these are correct; they are not more intense on one side.

Question 9

In an area where surface currents converge, the water upwells.

Accepted Answer

A) True 
 B)False

Question 10

Temperature affects density in the Arctic Ocean more than salinity.

Accepted Answer

A) True 
 B)False

Question 11

A surface gyre system in the Southern Hemisphere

Accepted Answer

A)  promotes upwelling and surface depression if it rotates clockwise. 
B)  promotes upwelling and surface elevation if it rotates counterclockwise. 
C)  retards upwelling and decreases surface elevation if rotating counterclockwise. 
D)  retards upwelling and in creases surface elevation if rotating counterclockwise. 
E)  Rotation in either direction does not affect upwelling. 
A)  promotes upwelling and surface depression if it rotates clockwise. 
B)  promotes upwelling and surface elevation if it rotates counterclockwise. 
C)  retards upwelling and decreases surface elevation if rotating counterclockwise. 
D)  retards upwelling and in creases surface elevation if rotating counterclockwise. 
E)  Rotation in either direction does not affect upwelling.

Question 12

Eddies

Accepted Answer

A)  persist for long periods of time. 
B)  mix water. 
C)  lost energy to turbulence. 
D)  stir up bottom sediments. 
E)  All of these are correct. 
A)  persist for long periods of time. 
B)  mix water. 
C)  lost energy to turbulence. 
D)  stir up bottom sediments. 
E)  All of these are correct.

Question 13

The North Atlantic prevailing westerlies drive the

Accepted Answer

A)  Gulf Stream and Canary currents. 
B)  North Atlantic and West Wind Drift. 
C)  Brazil and Benguela currents. 
D)  North and South Equatorial currents. 
E)  None of these are correct. 
A)  Gulf Stream and Canary currents. 
B)  North Atlantic and West Wind Drift. 
C)  Brazil and Benguela currents. 
D)  North and South Equatorial currents. 
E)  None of these are correct.

Question 14

The water type occupying the greatest volume of the Atlantic Ocean is

Accepted Answer

A)  Antarctic bottom water. 
B)  Antarctic intermediate water. 
C)  circumpolar Antarctic water. 
D)  North Atlantic deep water. 
E)  surface water. 
A)  Antarctic bottom water. 
B)  Antarctic intermediate water. 
C)  circumpolar Antarctic water. 
D)  North Atlantic deep water. 
E)  surface water.

Question 15

Increasing temperature also increases density.

Accepted Answer

A) True 
 B)False

Question 16

The density of Arctic Ocean water is controlled more by salinity than by temperature.

Accepted Answer

A) True 
 B)False

Question 17

In the oceans the zone where density of water changes rapidly with depth is called a pycnocline.

Accepted Answer

A) True 
 B)False

Question 18

Upwelling along the coast of Peru is very seasonal, due to the continually shifting wind patterns.

Accepted Answer

A) True 
 B)False

Question 19

The coldest, deepest, densest water in the oceans

Accepted Answer

A)  is formed around Antarctica. 
B)  flows north. 
C)  is Antarctic bottom water. 
D)  All of these are correct. 
E)  None of these are correct. 
A)  is formed around Antarctica. 
B)  flows north. 
C)  is Antarctic bottom water. 
D)  All of these are correct. 
E)  None of these are correct.

Question 20

Thermohaline circulation is driven by changes in

Accepted Answer

A)  viscosity. 
B)  surface tension. 
C)  convection. 
D)  pressure. 
E)  density. 
A)  viscosity. 
B)  surface tension. 
C)  convection. 
D)  pressure. 
E)  density.

The highly productive seas along the equator are the result of the tropical convergence located there.

If extremely cold fresh water is added on top of seawater,

The single most important source of deep water to all of the world's oceans is

When geostrophic flow is achieved, the force is balanced by the _ force.

The pycnocline of the oceans is usually found at depths exceeding 2000m.

The Arctic Ocean receives

A water type having both high salinity and warm temperature but dense enough to be found at about 1000m in the central North Atlantic has been formed

Currents are more intense on the _______ side of the North Pacific and North Atlantic Oceans.

In an area where surface currents converge, the water upwells.

Temperature affects density in the Arctic Ocean more than salinity.

A surface gyre system in the Southern Hemisphere

Eddies

The North Atlantic prevailing westerlies drive the

The water type occupying the greatest volume of the Atlantic Ocean is

Increasing temperature also increases density.

The density of Arctic Ocean water is controlled more by salinity than by temperature.

In the oceans the zone where density of water changes rapidly with depth is called a pycnocline.

Upwelling along the coast of Peru is very seasonal, due to the continually shifting wind patterns.

The coldest, deepest, densest water in the oceans

Thermohaline circulation is driven by changes in

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

Exam 7: Ocean Structure and Circulation

The highly productive seas along the equator are the result of the tropical convergence located there.

If extremely cold fresh water is added on top of seawater,

The single most important source of deep water to all of the world's oceans is

When geostrophic flow is achieved, the ______ force is balanced by the _______ force.

The pycnocline of the oceans is usually found at depths exceeding 2000m.

The Arctic Ocean receives

A water type having both high salinity and warm temperature but dense enough to be found at about 1000m in the central North Atlantic has been formed

Currents are more intense on the _______ side of the North Pacific and North Atlantic Oceans.

In an area where surface currents converge, the water upwells.

Temperature affects density in the Arctic Ocean more than salinity.

A surface gyre system in the Southern Hemisphere

Eddies

The North Atlantic prevailing westerlies drive the

The water type occupying the greatest volume of the Atlantic Ocean is

Increasing temperature also increases density.

The density of Arctic Ocean water is controlled more by salinity than by temperature.

In the oceans the zone where density of water changes rapidly with depth is called a pycnocline.

Upwelling along the coast of Peru is very seasonal, due to the continually shifting wind patterns.

The coldest, deepest, densest water in the oceans

Thermohaline circulation is driven by changes in

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

Seawater

The Atmosphere and the Oceans

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Energy, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Prologue: The History of Oceanography

Filters

When geostrophic flow is achieved, the force is balanced by the _ force.