what color would the the ocean appear when viewed from above?
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
Save
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
Save
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
Save
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
Save
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
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
1 of 34 11/20/2013 3:24 PM
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
Save
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
Save
Approximately what percentage of seawater is dissolved solids?
86
2.5
3.5
none of the above
35
Save
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
Save
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…
2 of 34 11/20/2013 3:24 PM
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
Save
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
Save
If the world’s sea ice melted, sea level would rise.
true
false
Save
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
Save
What physical property is the driving force of convection cell circulation?
density
energy
calories
heat
viscosity
Save
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…
3 of 34 11/20/2013 3:24 PM
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
Save
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
Save
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
Save
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
Save
The location labeled “A” most likely experiences
winter dry monsoons
dry, rainshadow effects
orographic rainfall
summer wet monsoons
landbreezes
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
4 of 34 11/20/2013 3:24 PM
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
Save
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
Save
The tropics are warmer than the poles because there is more incoming solar radiation at low latitudes than at high latitudes.
true
false
Save
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
Save
A wind blowing from Miami to New York would be called a __ wind.
west
east
hurricane
north
south
Save
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…
5 of 34 11/20/2013 3:24 PM
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
Save
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
Save
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
Save
During La Niña, sea level in the western Pacific is __ than during El Niño.
higher
lower
variable
the same as
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
6 of 34 11/20/2013 3:24 PM
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
Save
The atmospheric convection cell associated with the El Niño phenomenon is
Southern Oscillation
Walker Circulation
Doldrums
Jet Stream
Hadley Cell
Save
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
Save
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
Save
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…
7 of 34 11/20/2013 3:24 PM
Question 34 (1 point)
Question 35 (1 point)
to the left
to the right
clockwise
counterclockwise
forward
Save
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
Save
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
Save
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
Save
Storm surge is a theoretical still-water level. Storm waves are in addition to the storm surge.
true
false
Save
As the hurricane approaches land, which directions are the winds at City B?
alongshore
down
offshore
up
onshore
Save
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
Save
What drives the ocean conveyor system?
density
salinity
pressure
temperature
upwelling
Save
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
Save
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
Save
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
Save
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
Save
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)
in equatorial regions
in the Red Sea
in the Mediterranean Sea
near Greenland
in the Caribbean Sea
Save
The water layer region between 100-1,000 meters where temperature changes rapidly with depth is known as a(n)
halocline
thermocline
pycnocline
thermohaline
isopycnal
Save
The temperature plot labeled “A” is characteristic of ocean temperature in what area?
r
temperate latitudes
the south pole
tropical latitudes
high latitudes
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
14 of 34 11/20/2013 3:24 PM
Question 48 (1 point)
Question 49 (1 point)
Question 50 (1 point)
Question 51 (1 point)
Which term does not belong when describing major upweling off of the western coast of South America?
convection
surface divergence
La Nina
wind
continuity
Save
On this representation of the waters adjacent to the east coast of the United States, the letter “C” indicates
warm core ring(s)
cold core ring(s)
color for cold water
the Gulf Stream
color for warm water
Save
Ekman transport associated with the doldrums creates the
intermediate water
subtropical divergence
Sargasso convergence
tropical divergence
dispersion
Save
Which of the following describes the pattern of the North Atlantic gyre.
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
15 of 34 11/20/2013 3:24 PM
Question 52 (1 point)
Question 53 (1 point)
Question 54 (1 point)
Question 55 (1 point)
it circulates counterclockwise
at latitude 10-15 degrees it is driven westward by the northeast trade winds
it is centered over the equator
at latitude 10-15 degrees it is driven westward by the prevailing westerlies
it stops circulating at night
Save
Circulation of both the atmosphere and the oceans is driven by what type of currents?
parallel
surface
convection
downwelled
divergent
Save
The energy for driving ocean surface currents is ultimately derived from
plate tectonics
gravity
the sun
radioactive decay
density
Save
Large scale ocean surface currents
are put into motion by the rotation of the earth
are deflected by the same coriolis effect as the atmosphere
change rapidly with daily weather changes
move at the same velocity as the winds that drive them
do not exist
Save
The only ocean surface current to completely encircle the globe is the
West Wind Drift
Gulf Stream
Canary Current
Equatorial Countercurrent
North Atlantic Drift
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
16 of 34 11/20/2013 3:24 PM
Question 56 (1 point)
Question 57 (1 point)
Question 58 (1 point)
Question 59 (1 point)
Question 60 (1 point)
Another name for wind-driven circulation is ___________
density-driven circulation
gyres
Coriolis effect
friction-driven circulation
thermohaline circulation
Save
When waves arrive at monitoring stations set up long distances from a storm center, which waves arrive first?
long wavelength waves
short wavelength waves
steeper waves
internal waves
capillary waves
Save
How does wave group speed compare to celerity?
group speed is twice that of celerity
they are not related
group speed is one-half of celerity
celerity is one-half of group speed
they are equal
Save
When a wave trough is passing by a given point, water particles are moving
forward
backward
up
down
sideways
Save
Which type of breaking waves are the best to surf on?
pushing breakers
surging breakers
spilling breakers
collapsing breakers
plunging breakers
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
17 of 34 11/20/2013 3:24 PM
Question 61 (1 point)
Question 62 (1 point)
Question 63 (1 point)
Question 64 (1 point)
Question 65 (1 point)
Save
The photo shows channels running from shore seaward cutting across the surf zone. These are probably formed by
shallow water waves
reflected waves
refracted waves
rip currents
internal waves
Save
What, ultimatley, is the source of all wind waves on earth?
wind
currents
gravity
the sun
the moon
Save
The orbital motion of a shallow water wave extends to a water depth equal to
twice the wavelength
one-half the vavelength
one-half the wave height
the water depth
the wave’s height
Save
At the coast, wave refraction results in wave energy being concentrated and dispersed _.
in deep water; behind breakwaters
on headlands; in bays
in shallow water; in deep water
in bays; on headlands
in deep water; in shallow water
Save
Energy moving through water along a pycnocline would best be described as
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
18 of 34 11/20/2013 3:24 PM
Question 66 (1 point)
Question 67 (1 point)
a boundary wave
a counter current
a convection current
an internal wave
a rip current
Save
The arrows labeled “A” point to _ of a standing wave.
the length
the troughs
the nodes
the crests
the antinodes
Save
Which of the following is not a generating force of tsunamis?
submarine landslide
tides
submarine volcano
wind
earthquake
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
19 of 34 11/20/2013 3:24 PM
Question 68 (1 point)
Question 69 (1 point)
Question 70 (1 point)
Save
The dashed lines labeled “B” on the accompanying figure are known as
precession lines
cotidal lines
declination lines
corange lines
Coriolis lines
Save
Diurnal tides complete how many tidal cycle(s) per day?
one
two
three
one, but only at low latitudes
none, it takes a month to complete a tidal cycle
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
20 of 34 11/20/2013 3:24 PM
Question 71 (1 point)
The island at position “C” is experiencing what kind of tide?
higher low tide
lower low tide
higher high tide
lower high tide
low tide, but you can’t tell if it’s lower or higher
Save
The tidal bulge at “A” is created by
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
21 of 34 11/20/2013 3:24 PM
Question 72 (1 point)
Question 73 (1 point)
Question 74 (1 point)
both centrifugal force and gravitational attraction
gravitational attraction
centrifugal force
Earth’s rotation
the sun
Save
If the high tide of a diurnal tide occurs at 10:00 AM one day, approximately when will the next high tide occur?
10:25 PM the same day
10:50 AM the next day
10:00 AM the next day
10:00 PM the same day
10:25 AM the next day
Save
If a high tide of a semidiurnal tide occurs at 10:00 AM, approximately when will the next high tide occur?
10:25 PM the same day
10:50 AM the next day
10:00 AM the next day
10:00 PM the same day
10:25 AM the next day
Save
Quiz – Introduction to Oceanography Section N01 Fall Semester 2013 CO… https://westga.view.usg.edu/d2l/lms/quizzing/user/attempt/quiz_attempt…
22 of 34 11/20/2013 3:24 PM
Question 75 (1 point)
Question 76 (1 point)
The accompanying diagram shows shoreline features characteristic of erosional coasts. Letter “C” indicates what feature?
headland
sandy beaches
sea cave
blowhole
sea stack
sea arch
marine terrace
wave-cut platform
Save
The zone from outer limit of wave action to landward limit of wave influence is _?
the beach shore coastal zone tide area coastal region
The post what color would the the ocean appear when viewed from above?
