Question 1 (1 point)
Question 2 (1 point)
Question 3 (1 point)
Question 4 (1 point)
Question 5 (1 point)
Note: It is recommended that you save your response as you complete each question.
The largest component by volume of dry air is oxygen.
true
false
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If water absorbed all light and did not scatter or reflect it, what color would the the ocean appear when viewed from above?
blue
black
white
red
yellow
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If a sound pulse is sent vertically downward into the sea and its reflected echo from the seafloor returns 6 seconds later, the depth of the water is _______ meters.
9,000
12,000
3,000
6,600
4,500
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What property of water allows you to place a volume of water in a glass that is greater than the volume of the glass?
compressibility
surface tension
heat capacity
density
viscosity
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Imagine an experiment where we uniformly heat three containers, one with water, one with dry sand, one with damp sand. Which one would experience the greatest increase in temperature?
dry sand
it is impossible to tell with the information given
they would all heat up the same amount
damp sand
water
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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…
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Question 6 (1 point)
Question 7 (1 point)
Question 8 (1 point)
Question 9 (1 point)
Question 10 (1 point)
How many calories are required to convert 2 grams of ice at 0 degrees C to water vapor at 100 degrees C?
670
1440
160
2768
1180
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Forchhammer’s principle states that the _____________ of dissolved salts per unit volume of ocean water is nearly constant, even though the ________________ may change.
amount, proportion
density, salinity
proportion, amount
quantity, equilibrium
equilibrium, quantity
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Approximately what percentage of seawater is dissolved solids?
86
2.5
3.5
none of the above
35
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When warm, moist air passes over cold water or a cold earth surface, _____ fog is formed, and heat is transferred from __________. (Hint: don’t panic, combine what you learned about fog with latent heat.)
radiative; water vapor to the surrounding air
radiative; the surrounding air to water vapor
advective; water vapor to the surrounding air
advective; the surrounding air to water vapor
sea smoke; water vapor to the surrounding air
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Which of the following is NOT necessary for radiation fog to occur?
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 11 (1 point)
Question 12 (1 point)
Question 13 (1 point)
Question 14 (1 point)
Question 15 (1 point)
no sunshine
little or no cloud cover
light or no surface breeze
cold, wet ground
moisture at ground level
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If all the world’s sea ice melted, sea level would
rise
fall
remain the same
you can’t tell from the given information
it depends on the season
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If the world’s sea ice melted, sea level would rise.
true
false
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A local coastal wind controlled only by daily temperature variation between land and water will blow ______________ during the day.
45 degrees to the right
onshore
45 degrees to the left
offshore
parallel to the shore
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What physical property is the driving force of convection cell circulation?
density
energy
calories
heat
viscosity
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The amount of energy from the sun entering the earth’s atmosphere
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 16 (1 point)
Question 17 (1 point)
Question 18 (1 point)
Question 19 (1 point)
cannot be measured
is the same across the tropics
does not vary with latitude
is always highest at the equator on the equinoxes
is the same at the Earth’s surface as the top of the atmosphere
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Atlantic basin hurricanes move from east to west mainly because of
convection
Coriolis effect
the northeast trade winds
the westerly trade winds
Earth’s rotation
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The Intertropical Convergence Zone (ITCZ) is the meeting place of what two wind belts?
southeast trades and northeast trades
doldrums and northeast trades
doldrums and southeast trades
polar easterilies and southwest trades
southwest trades and southeast trades
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The average location of the meteorological equator is
23.5 degrees south latitude
coincident with the geographic equator
5 degrees north latitude
23.5 degrees north latitude
5 degrees south latitude
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The location labeled “A” most likely experiences
winter dry monsoons
dry, rainshadow effects
orographic rainfall
summer wet monsoons
landbreezes
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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…
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Question 20 (1 point)
Question 21 (1 point)
Question 22 (1 point)
Question 23 (1 point)
Question 24 (1 point)
Question 25 (1 point)
Daily summer solar radiation levels at polar latitudes are caused by the high intensity of radiation per unit surface area rather than by long periods of daylight.
true
false
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Why is more heat energy absorbed from the sun in the tropics than at the poles?
land masses are larger in the tropics
there is more water in the tropics
there is a higher angle of incidence of solar rays in the tropics
there is a lower angle of incidence of solar rays in the tropics
there is more cloud cover at the poles
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The tropics are warmer than the poles because there is more incoming solar radiation at low latitudes than at high latitudes.
true
false
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The weather systems across the United States move from west to east mainly because of
the northeast trade winds
Earth’s rotation
convection
Coriolis effect
the westerly trade winds
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A wind blowing from Miami to New York would be called a ____________ wind.
west
east
hurricane
north
south
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The accompanying diagram shows the conditions during what phenomenon and what season?
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 26 (1 point)
Question 27 (1 point)
Question 28 (1 point)
La Niña summer
Normal or neutral conditions
El Niño summer
El Niño winter
La Niña winter
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The cause of the decrease in primary productivity during El Niño is
Carbon dioxide levels too high
Major upwelling of nutrients
Decreased upwelling of nutrients
Increased oxygenation of surface water
Decreased downwelling of nutrients
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The accompanying diagram shows the conditions during what phenomenon and what season?
La Niña winter
La Niña summer
El Niño winter
El Niño summer
Normal or neutral conditions
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During La Niña, sea level in the western Pacific is __________ than during El Niño.
higher
lower
variable
the same as
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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…
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Question 29 (1 point)
Question 30 (1 point)
Question 31 (1 point)
Question 32 (1 point)
Question 33 (1 point)
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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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…
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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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