Question 1

Which of the following is not true regarding the effects of the 1991 Mount Pinatubo eruption?

Accepted Answer

A)   Aerosols mixed with other atmospheric debris, increasing the Earth's albedo.
B)   Sulfur dioxide (SO₂)  aerosols decreased in the atmosphere due to the presence of ash.
C)   A small, temporary decrease in average temperatures followed.
D)   An aerosol cloud covered the globe, from 20° S to 30° N.E) None of the above
F) A) and B)

Question 2

Wind speed is measured with an anemometer.

Accepted Answer

A) True 
 B)False  True

Question 3

The pressure gradient force drives air from areas of higher pressure to areas of lower pressure.

Accepted Answer

A) True 
 B)False

Question 4

The tropical atmospheric circulation associated with rising winds along the intertropical convergence zone (ITCZ)  and descending air in the subtropics are called

Accepted Answer

A)   polar cells.
B)   Ferrel cells.
C)   Rosby waves.
D)   Hadley cells.E) B) and C)
F) C) and D)

Question 5

The horizontal motion of air relative to Earth's surface is

Accepted Answer

A)   barometric pressure.
B)   wind.
C)   convection flow.
D)   a result of equalized pressure across the surface.E) A) and B)
F) All of the above

Question 6

The dominant surface winds from the subtropics to high latitudes are the

Accepted Answer

A)   westerlies.
B)   trade winds.
C)   polar easterlies.
D)   geostrophic winds.E) C) and D)
F) B) and D)

Question 7

If you were between 40° and 50° north latitude, and you wanted to stand with the average winds blowing in your face you would stand facing

Accepted Answer

A)   north.
B)   south.
C)   east.
D)   west.E) B) and C)
F) A) and B) D

Question 8

Describe deep-ocean thermohaline circulation. Discuss the relationship between thermohaline circulation and global climate change.

Accepted Answer

Differences in temperature and salinity ...

Question 9

If a wind is blowing from a compass direction of 202.5°, the wind is from the

Accepted Answer

A)   north (N) .
B)   south (S) .
C)   northwest (NW) .
D)   south-southwest (SSW) .
E)   north-northeast (NN
E)  .F) A) and B)
G) D) and E)

Question 10

The Coriolis force is greatest at the equator and weakest towards the poles.

Accepted Answer

A) True 
 B)False

Question 11

The deflection produced by the Coriolis force is caused by

Accepted Answer

A)   the Earth's rotation on its axis.
B)   differing pressure gradients.
C)   friction caused by gravitational force.
D)   air temperature differences.E) A) and D)
F) B) and C)

Question 12

The effect of surface friction extends to a height of about 500 m (1600 ft.) although it may vary with wind speed, season, time of day, and pressure patterns.

Accepted Answer

A) True 
 B)False

Question 13

Winds are named for the direction in which they are blowing.

Accepted Answer

A) True 
 B)False

Question 14

The forces that control the wind include gravity, the pressure gradient force, Coriolis force, and friction force.

Accepted Answer

A) True 
 B)False

Question 15

The polar high is more pronounced over ________ because ________.

Accepted Answer

A)   The Arctic; greater landmass
B)   The Antarctic; greater landmass
C)   The Arctic; colder ocean waters
D)   The Antarctic; colder ocean watersE) None of the above
F) All of the above

Question 16

Subtropical high-pressure systems migrate with the summer Sun, fluctuating about 5° - 10° in latitude.

Accepted Answer

A) True 
 B)False

Question 17

The El Niño-Southern Oscillation is associated with the following except

Accepted Answer

A)   drought in South Africa, southern India, Australia, and the Philippines.
B)   flooding in the southwest United States, Bolivia, Cuba, Ecuador, and Peru.
C)   cooler than normal ocean along the west coast of South America.
D)   higher pressure than normal over the western Pacific and lower pressure over the eastern Pacific.E) B) and C)
F) A) and B)

Question 18

The frictional force effect on winds

Accepted Answer

A)   is lessened in areas with rougher surfaces.
B)   is negligible at altitudes above 500 m (~1,600 ft) .
C)   increases with increasing altitude.
D)   is constant, regardless of time of day or year.E) All of the above
F) B) and D)

Question 19

The western intensification causes water to pile up ________, forcing water to flow ________ in strong currents.

Accepted Answer

A)   against eastern shore of continents; northward and southward
B)   at the equator; eastward and westward
C)   along western shores of continents; downward, then eastward
D)   around the subtropical highs; in all directionsE) A) and C)
F) C) and D) A

Question 20

In the Northern Hemispheres, winds spiraling counterclockwise into a low pressure area are

Accepted Answer

A)   cyclonic.
B)   anticyclonic.
C)   geostrophic.
D)   meridionalE) B) and D)
F) A) and D)

Exam 6: Atmospheric and Oceanic Circulations

Which of the following is not true regarding the effects of the 1991 Mount Pinatubo eruption?

Correct AnswerverifiedShow Answer

Wind speed is measured with an anemometer.

Correct AnswerverifiedTrue

The pressure gradient force drives air from areas of higher pressure to areas of lower pressure.

Correct AnswerverifiedShow Answer

The tropical atmospheric circulation associated with rising winds along the intertropical convergence zone (ITCZ) and descending air in the subtropics are called

Correct AnswerverifiedShow Answer

The horizontal motion of air relative to Earth's surface is

Correct AnswerverifiedShow Answer

The dominant surface winds from the subtropics to high latitudes are the

Correct AnswerverifiedShow Answer

If you were between 40° and 50° north latitude, and you wanted to stand with the average winds blowing in your face you would stand facing

Correct AnswerverifiedD

Describe deep-ocean thermohaline circulation. Discuss the relationship between thermohaline circulation and global climate change.

Correct AnswerverifiedDifferences in temperature and salinity ...View AnswerShow Answer

If a wind is blowing from a compass direction of 202.5°, the wind is from the

Correct AnswerverifiedShow Answer

The Coriolis force is greatest at the equator and weakest towards the poles.

Correct AnswerverifiedShow Answer

The deflection produced by the Coriolis force is caused by

Correct AnswerverifiedShow Answer

The effect of surface friction extends to a height of about 500 m (1600 ft.) although it may vary with wind speed, season, time of day, and pressure patterns.

Correct AnswerverifiedShow Answer

Winds are named for the direction in which they are blowing.

Correct AnswerverifiedShow Answer

The forces that control the wind include gravity, the pressure gradient force, Coriolis force, and friction force.

Correct AnswerverifiedShow Answer

The polar high is more pronounced over ________ because ________.

Correct AnswerverifiedShow Answer

Subtropical high-pressure systems migrate with the summer Sun, fluctuating about 5° - 10° in latitude.

Correct AnswerverifiedShow Answer

The El Niño-Southern Oscillation is associated with the following except

Correct AnswerverifiedShow Answer

The frictional force effect on winds

Correct AnswerverifiedShow Answer

The western intensification causes water to pile up ________, forcing water to flow ________ in strong currents.

Correct AnswerverifiedA

In the Northern Hemispheres, winds spiraling counterclockwise into a low pressure area are

Correct AnswerverifiedShow Answer

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True

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D

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Differences in temperature and salinity ...
View Answer

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The polar high is more pronounced over because .

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The western intensification causes water to pile up , forcing water to flow in strong currents.

Correct Answer
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A

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