Geography

The Southern Oscillation Index

is essentially a mirror image of sea surface temperature

shows the trend of atmospheric pressure differences between Tahiti and Darwin, Australia

shows the “SO” in “ENSO”

is one measure of the large-scale fluctuations in air pressure occurring between the western and eastern tropical Pacific

each of the choices is correct

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The atmospheric convection cell associated with the El Niño phenomenon is

Southern Oscillation

Walker Circulation

Doldrums

Jet Stream

Hadley Cell

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The feature labeled “F” is _________ _____________ during an El Niño.

an ocean current. It moves to the east

the thermocline. It occurs deeper in the eastern Pacific Ocean

convection. It forms further east

upwelling. It may get “shut off” by the layer of warm water above it

normal circulation. The surface winds (trade winds) may reverse

the warm pool. It starts to spread eastward when the trade winds slacken

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The “barometric effect” accounts for about _______ increase in storm surge level for every 1 millibar drop in air pressure associated with a hurricane.

1 inch

1 foot

1 centimeter

1 meter

10 meters

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You are watching the evening news with your family and hear reports of a tropical cyclone hitting Australia. You can confidently tell your family that the winds in the storm are rotating __________.

Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

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Question 34 (1 point)

Question 35 (1 point)

to the left

to the right

clockwise

counterclockwise

forward

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Maximum wind speed in a hurricane occurs

at sea level

in the right, front quadrant

in the Caribbean

in the eye wall

in the eye

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The areas in red are common zones of hurricane formation. There no (or very few) hurricanes formed in the area labeled “A.” Why?

coriolis effect moves hurricanes away from “A”

downwelling makes the water warm

monsoons interfere with hurricane formation there

upwelling usually makes the surface water too cold for hurricanes to form

the trade winds knock the tops off hurricanes there

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Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

8 of 34 11/20/2013 3:24 PM

Question 36 (1 point)

Question 37 (1 point)

Question 38 (1 point)

Storm surges

result from the very high atmospheric pressures associated with hurricanes

only form at high tides

only form at low tides

occurs on the back side of hurricanes

may be amplified by concave shorelines and broad shallow continental shelves

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Storm surge is a theoretical still-water level. Storm waves are in addition to the storm surge.

true

false

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As the hurricane approaches land, which directions are the winds at City B?

alongshore

down

offshore

up

onshore

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Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

9 of 34 11/20/2013 3:24 PM

Question 39 (1 point)

Question 40 (1 point)

Question 41 (1 point)

Question 42 (1 point)

Of these properties, which is the most important in controlling the density of water?

none of these is more important than the others

heat capacity

temperature

salinity

pressure

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What drives the ocean conveyor system?

density

salinity

pressure

temperature

upwelling

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Which of the following processes can cause surface seawater to increase in density?

sea ice formation

sea ice melting

surface water evaporation

both sea ice formation and surface water evaporation

both sea ice melting and surface water evaporation

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Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

10 of 34 11/20/2013 3:24 PM

Question 43 (1 point)

Using the labeled latitudes A-E, where would you likely find higher than average sea surface salinity?

A only

C only

E only

C and E

D only

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Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

11 of 34 11/20/2013 3:24 PM

Question 44 (1 point)

Using the labeled latitudes A-E, where is air sinking on a global atmospheric scale?

D only

C only

A, C, and E

A only

C and E

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Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

12 of 34 11/20/2013 3:24 PM

Question 45 (1 point)

Using the labeled latitudes A-E, where would you likely find lower than average sea surface salinity?

A only

B only

B and D

C and E

D only

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The water mass having both high salinity and warm temperature and found at about 1,000 meters water depth in the central north Atlantic has been formed

Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…

13 of 34 11/20/2013 3:24 PM

Question 46 (1 point)

Question 47 (1 point)

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