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Oceanography Review Flashcards | StudBud
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Oceanography Review
Oceanography Review
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1
The moon has a stronger effect on Earth's tide than the sun because ...
the moon is larger
the moon is made of iron
the moon is more dense
the moon is closer
2
The ocean drives much of Earth’s weather and causes climate near the ocean to be ......
mild and temperate
highly variable and unstable
continously tropical
colder and drier
3
Seamounts are undersea mountains that are typically formed by
The Coriolis Effect
volcanic activity
diverging plates
deposits of sediments
4
Rock made through the process of melting and cooling
metamorphic
igneous
sedimentary
5
Features of the seafloor that are related to _______________ include mid-ocean ridges and trenches
gravity
wind
erosion
plate tectonics
6
Which represents a warm water current?
A
B
7
Why is the eastern coast of the US a "passive" continental margin?
occurrences of earthquakes
area of subduction zone
no presence of plate boundaries
presence of volcanoes and trenches
8
Which factor
increases
salinity?
freshwater flow from rivers
precipitation
melting ice
evaporation
9
The measure of the amount of salts in a water solution is known as
gradient
infiltration
discharge
salinity
10
Which area will most likely have the highest biological activity?
C
B
A
11
Which area would have the lowest salinity?
around the mouth of a large river
equitorial oceans with high evaporation
an enclosed sea with little interaction with open ocean
an inland sea in a arid climate
12
Ocean algae is a major source of atmospheric _______________.
carbon dioxide
Oxygen
methane
water vapor
13
Surface waves are generally driven by ..
volcanic activity
wind
tectonic activity
gravitational pull of the moon
14
Trenches are formed when ___________ crust ___________ continental crust.
continental, diverges from
oceanic, diverges from
continental, collides with
oceanic, subducts under
15
Unusually cold water in the Pacific. Warmer and drier in the US South
Coriolis effect
El Nino
jet stream
La Nina
16
What atmospheric gas has a negative impact on marine organisms with calcium carbonate shell?
carbon dioxide
nitrogen
oxygen
oxone
17
Water is a _________ storage of heat energy.
good
poor
18
The global ocean current system driven by temperature and density differences is known as
el Nino
Thermohaline circulation
The Coriolis Effect
rip currents
19
Thermohaline Current. Which letter represents an area at the poles?
B
A
20
Which is an example of an estuary?
James River
Great Dismal Swamp
Atlantic Ocean
Chesapeake Bay
21
Describe the water at location A.
warm and nutrient rich
warm and nutrient poor
cool and nutrient poor
cool and nutrient rich
22
Unusually warm ocean temperatures in the Pacific. Increase rain in US south.
El Nino
trade winds
La Nina
Coriolis effect
23
What is the tide where you are?
high tide
low tide
24
The climate near the ocean is more mild than the climate in the interior of continents. Why?
increased volcanic activity
generally these areas are at lower latitudes
stored heat in the water
decreased evaporation
25
This ocean zone accounts for approximately the top 200 meters of the ocean. Receives light
abyssal zone
photic zone
benthic zone
aphotic zone
26
Excessive nutrients such as nitrogen and phosphates are mostly introduced into water by .....
photosynthetic organisms
burning fossil fuels
farming runoff and sewage treatment
acid rain
27
Dissolved carbon dioxide causes the water to become ....
less acidic
abundant in nutrients
more acidic
a dead zone
28
Which is NOT true?
cold water moves towards the equator
high salinity water is less dense and rises
cold water sinks at the poles
warm water moves towards the poles
29
Which is NOT true about an "active" continental margin?
east coast of US
earthquakes
features such as trenches and volcanoes
movement of tectonic plates
30
Most waves on the ocean surface are generated by ________.
volcanic activity
wind
convection currents
the coriolis effect
31
Approximately _______ of the Earth is covered by water.
3%
71%
97%
50
32
Mid-ocean ridges are formed when ___________ crust ____________ oceanic crust.
continental,subducts under
oceanic, diverges from
oceanic, collides with
continental, diverges from
33
Identify Area
C
of the continental margin.
seamount
continental slope
continental rise
continental shelf
34
As global ice caps melt, sea level
no effect
rises
lowers
remains the same
35
A partially enclosed area where fresh and salt water mix.
delta
tributary
estuary
confluence
36
The tides are the periodic rise and fall of water level caused by .....
gravitational pull of the sun
the rapid rotation of the Earth
imbalance of water levels in the Atlantic and Pacific
gravitational pull of the moon and sun
37
Which type of water will be the most dense?
cold, high salinity
cold, low salinity
warm, high salinity
warm, low salinity
38
Deep ocean currents tend to be __________
cold and low salinity
warm and high saliity
warm and low salinity
cold and higher salinity
39
What feature is D?
continental slope
abyssal plain
continental shelf
continental rise
40
Excessive nutrients such as nitrates and phosphates, can cause ......
large biodiversity
increased oxygen levels
decreased oxygen levels. "dead zones"
decreased carbon dioxide levels
41
Identify Area
B
of the continental margin.
continental slope
continental rise
continental shelf
abyssal plain
42
"Upwelling" is the process in which ____________________ water rises toward the surface from the deep
warm, toxic
cold, nutrient poor
cold, oxygenated
cold, nutrient rich
43
The Ocean's Thermohaline Circulation is cause by ...
the wind
differences in density caused by temperature and salinity
the Greenhouse effect
the Coriolis effect
44
______________is the major mechanism of energy transfer in the oceans, atmosphere, and Earth’s interior
radiation
conduction
convection
45
How many high tides will occur per day?
2
4
1
46
What would happen to Ireland if the Gulf stream changed direction?
the climate would get much warmer and wetter
volcanic activity would increase
the climate would get much colder
Hurricanes could increase there
47
What is feature A?
continental shelf
continental rise
continental slope
abyssal plain
48
Rock formed from weathering, deposition, and cementation.
sedimentary
igneous
metamorphic
