Question 1

Eddies are found at all depths of the oceans.

Accepted Answer

A) True 
 B)False

Question 2

The southeast trade winds directly produce the ________ current.

Accepted Answer

A)  Gulf Stream 
B)  Equatorial Counter 
C)  South Equatorial 
D)  West Wind Drift 
E)  East Australia 
A)  Gulf Stream 
B)  Equatorial Counter 
C)  South Equatorial 
D)  West Wind Drift 
E)  East Australia

Question 3

Upwelling occurs along the coast of California when winds blow from the north.

Accepted Answer

A) True 
 B)False

Question 4

In the Southern Hemisphere, the speed of the wind-driven water ________ with depth and the water moves to the ________ of the wind.

Accepted Answer

A)  increases; right 
B)  increases; left 
C)  decreases; right 
D)  decreases; left 
E)  does not change; left 
A)  increases; right 
B)  increases; left 
C)  decreases; right 
D)  decreases; left 
E)  does not change; left

Question 5

An average value for the density of seawater could be (pick the best choice) ________.

Accepted Answer

A)  1.025 g/cm3 
B)  1.010 g/cm3 
C)  1.012 g/cm3 
D)  2.020 g/cm3 
E)  1.050 g/cm3 
A)  1.025 g/cm3 
B)  1.010 g/cm3 
C)  1.012 g/cm3 
D)  2.020 g/cm3 
E)  1.050 g/cm3

Question 6

The Ekman Spiral causes current speed to increase with depth.

Accepted Answer

A) True 
 B)False

Question 7

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

Question 8

Oil tankers coming from the Persian Gulf to the United States use the ________ current along the east coast of Africa.

Accepted Answer

A)  Canary 
B)  Guinea 
C)  Agulhas 
D)  Benguela 
E)  South Equatorial 
A)  Canary 
B)  Guinea 
C)  Agulhas 
D)  Benguela 
E)  South Equatorial

Question 9

Which current moves cold water to warm latitudes?

Accepted Answer

A)  Gulf Stream 
B)  Kuroshio 
C)  Peru 
D)  Agulhas 
E)  Brazil 
A)  Gulf Stream 
B)  Kuroshio 
C)  Peru 
D)  Agulhas 
E)  Brazil

Question 10

Geostrophic flow occurs when the Coriolis deflection is balanced by an opposite gravitational flow.

Accepted Answer

A) True 
 B)False

Question 11

Which current flows north to south along the northeast coast of the United States?

Accepted Answer

A)  Gulf Stream 
B)  Labrador 
C)  Canary 
D)  North Equatorial 
E)  North Atlantic 
A)  Gulf Stream 
B)  Labrador 
C)  Canary 
D)  North Equatorial 
E)  North Atlantic

Question 12

An average value for the temperature of deep-ocean water is (pick the best choice) ________.

Accepted Answer

A)  -4.5°C 
B)  2°C 
C)  8°C 
D)  12°C 
E)  17°C 
A)  -4.5°C 
B)  2°C 
C)  8°C 
D)  12°C 
E)  17°C

Question 13

A doppler current meter shows an increase in sound frequency if the water flow is ________.

Accepted Answer

A)  moving away from the meter 
B)  moving toward the meter 
C)  moving around the meter 
D)  increasing 
E)  decreasing 
A)  moving away from the meter 
B)  moving toward the meter 
C)  moving around the meter 
D)  increasing 
E)  decreasing

Question 14

The large ocean gyres are characterized by ________.

Accepted Answer

A)  lower sea levels inwards than outwards 
B)  ekman transport driving water outwards 
C)  gravity-driven transport driving water inwards 
D)  greater current velocities inwards 
E)  higher salinities inwards 
A)  lower sea levels inwards than outwards 
B)  ekman transport driving water outwards 
C)  gravity-driven transport driving water inwards 
D)  greater current velocities inwards 
E)  higher salinities inwards

Question 15

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

Question 16

Order the following water bodies from highest to lowest salinity.

Accepted Answer

A)  Mediterranean intermediate water, North Atlantic deep water, Antarctic bottom water 
B)  North Atlantic deep water, Mediterranean intermediate water, Antarctic bottom water 
C)  Antarctic bottom water, Mediterranean intermediate water, North Atlantic deep water 
D)  Mediterranean intermediate water, Antarctic bottom water, North Atlantic deep water 
E)  Antarctic bottom water, North Atlantic deep water, Mediterranean intermediate water 
A)  Mediterranean intermediate water, North Atlantic deep water, Antarctic bottom water 
B)  North Atlantic deep water, Mediterranean intermediate water, Antarctic bottom water 
C)  Antarctic bottom water, Mediterranean intermediate water, North Atlantic deep water 
D)  Mediterranean intermediate water, Antarctic bottom water, North Atlantic deep water 
E)  Antarctic bottom water, North Atlantic deep water, Mediterranean intermediate water

Question 17

Currents in the northern Indian Ocean change direction seasonally.

Accepted Answer

A) True 
 B)False

Question 18

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 19

The clockwise gyre of the Arctic Ocean is driven by the polar easterlies.

Accepted Answer

A) True 
 B)False

Question 20

The properties of seawater at depth are determined by surface conditions in the area where the water sinks.

Accepted Answer

A) True 
 B)False

Eddies are found at all depths of the oceans.

The southeast trade winds directly produce the ________ current.

Upwelling occurs along the coast of California when winds blow from the north.

In the Southern Hemisphere, the speed of the wind-driven water with depth and the water moves to the of the wind.

An average value for the density of seawater could be (pick the best choice) ________.

The Ekman Spiral causes current speed to increase with depth.

Thermohaline circulation is driven by changes in ________.

Oil tankers coming from the Persian Gulf to the United States use the ________ current along the east coast of Africa.

Which current moves cold water to warm latitudes?

Geostrophic flow occurs when the Coriolis deflection is balanced by an opposite gravitational flow.

Which current flows north to south along the northeast coast of the United States?

An average value for the temperature of deep-ocean water is (pick the best choice) ________.

A doppler current meter shows an increase in sound frequency if the water flow is ________.

The large ocean gyres are characterized by ________.

The coldest, deepest, densest water in the oceans ________.

Order the following water bodies from highest to lowest salinity.

Currents in the northern Indian Ocean change direction seasonally.

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

The clockwise gyre of the Arctic Ocean is driven by the polar easterlies.

The properties of seawater at depth are determined by surface conditions in the area where the water sinks.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

Exam 7: Ocean Structure and Circulation

Eddies are found at all depths of the oceans.

The southeast trade winds directly produce the ________ current.

Upwelling occurs along the coast of California when winds blow from the north.

In the Southern Hemisphere, the speed of the wind-driven water ________ with depth and the water moves to the ________ of the wind.

An average value for the density of seawater could be (pick the best choice) ________.

The Ekman Spiral causes current speed to increase with depth.

Thermohaline circulation is driven by changes in ________.

Oil tankers coming from the Persian Gulf to the United States use the ________ current along the east coast of Africa.

Which current moves cold water to warm latitudes?

Geostrophic flow occurs when the Coriolis deflection is balanced by an opposite gravitational flow.

Which current flows north to south along the northeast coast of the United States?

An average value for the temperature of deep-ocean water is (pick the best choice) ________.

A doppler current meter shows an increase in sound frequency if the water flow is ________.

The large ocean gyres are characterized by ________.

The coldest, deepest, densest water in the oceans ________.

Order the following water bodies from highest to lowest salinity.

Currents in the northern Indian Ocean change direction seasonally.

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

The clockwise gyre of the Arctic Ocean is driven by the polar easterlies.

The properties of seawater at depth are determined by surface conditions in the area where the water sinks.

The Water Planet

Earth Structure and Plate Tectonics

The Sea Floor and Its Sediments

The Physical Properties of Water

The Chemistry of Seawater

The Atmosphere and the Oceans

The Waves

The Tides

Coasts, Beaches, and Estuaries

The Living Ocean

The Plankton, Productivity, and Food Webs

The Nekton: Swimmers of the Sea

The Benthos: Living on the Sea Floor

Environmental Issues

The Oceans and Climate Disruption

Filters

In the Southern Hemisphere, the speed of the wind-driven water with depth and the water moves to the of the wind.