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MAS 134 Exam #2 (CHs 6-10) Flashcards | StudBud
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MAS 134 Exam #2 (CHs 6-10)
MAS 134 Exam #2 (CHs 6-10)
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1
Which greenhouse gas causes ocean acidification?
Flourinated Gases
Methane
Nitrous Oxide
Carbon Dioxide
2
Which of these does NOT apply to Thermohaline Circulation?
warm water at the equator goes to the poles
dense water at the poles sink
wind carries water to the equator
salinity levels change
3
The leeward side of a mountain ____ than the windward side.
has condensing water vapor
has higher precipitation
has a rain shadow (no rain)
more vegetation
4
Hurricanes get their energy from high pressure zones.
True
False
5
Unequal heating of the Earth creates differences in air pressure which causes:
clouds
wind
rain
storms
6
Land heats up and cools faster than water?
False
True
7
Upwellings occur at surface divergences.
False
True
8
Clouds can cool the earth.
False
True
9
A tsunami is a deep water wave.
True
False
10
What type of tide occurs during a full moon?
neap
weak
spring
winter
11
_________ is the most abundant gas in the atmosphere.
oxygen
carbon dioxide
nitrogen
methane
12
During an El Nino event in the Pacific
sea surface temps are higher than normal
east to west winds are stronger than normal
nutrient concentrations are higher than normal
productivity is higher than norma.
13
Water particle orbits for shallow water waves are elliptic and flatten with depth
False
True
14
A rogue wave may form due to constructive interference.
False
True
15
If the world's sea ice melted, sea level would rise substantially.
False
True
16
Tidal energy for electricity is primarily hampered by
plant construction costs
technology
public demand
limited number of suitable sites
17
Barrier Islands are common along the southeast US coasts.
False
True
18
Beaches tend to be wider in the ____.
summer
winter
19
What is high pressure?
molecules far apart (warm moist air)
molecules packed together (cold dry air)
when wind appears to bend due to earths rotation
20
In an area where surface currents converge, the water upwells.
True
False
21
In the oceans, the zone where salinity changes rapidly with depth
pycnocline
thermocline
halocline
barocline
22
Hurricanes form around areas of high pressure
True
False
23
Icebergs are formed from sea ice.
False
True
24
A sea breeze happens during the
day when the land heats faster than the water
night when the water heats faster than the land
night when the land heats faster than the water
day when the water heats faster than the land
25
Tides arrive at the same location at the same time each day.
False
True
26
As depth increases, water temperature
decreases
stays the same
increases
27
Below the pycnocline, ocean water ranges between 0-4C.
True
False
28
Ozone destruction is related to levels of water vapor in the atmopshere.
True
False
29
In the northern hemisphere, CO2 concentration in the atmosphere increases in
the summer
the winter
30
Convection happens when
Particles spread out randomly from high concentration to low
Cool particles become less dense, rise, travel, warm & sink
When warm particles pass through a semi-permeable membrane
Warm particles become less dense, rise, travel, cool & sink
31
Which of the following is built parallel to the shore?
jetty
Groin
Seawall
breakwater
32
Most "weather" happens in the troposhere.
False
True
33
During a La Nina event, in the Pacific
sea surface temperatures are higher than norm
sea surface temperatures are lower than norm
productivity is weaker than normal
east to west winds are weaker than norm
34
Surface currents are driven by ___ and deep water currents are driven by __.
wind; density differences
the Coriolis effect; tides
tides; the Coriolis effect
density differences; wind
35
Hot air sinks
True
False
36
If extremely cold fresh water is added on top of salty water, the cold water will float at the surface.
True
False
37
Area around the equator is a ___ pressure zone.
low
high
predictable
medium
38
What happens to the density as the depth increases?
Increase
Remains the same
Decrease
39
The Coriolis effect is primarily due to the
curve of Earth's surface
motion of the oceans
effects of winds high in the atmosphere
rotation of Earth around its axis
40
Ozone destruction is the most severe at the equator.
True
False
41
When sea ice forms, the surface water beneath the ice becomes more dense.
False
True
42
Upwelling benefits coastal ecosystems by...
Bringing colder, saltier water to the surface
Bringing nutrients to the seafloor
Bringing nutrients to the surface
Bringing warm freshwater to the surface
43
An El Nino event means....
higher surface water temps in the Pacific
bad fishing year offshore of Peru
lower nutrient concentrations in the Pacific
all of these choices
44
Semidiurnal tides occur
four high tides and four low tides a day
two high tides and two low tides a day
three high tides and three low tides a day
one low tide and one high tide in a day
45
To navigate swift tidal currents safely, small boats should wait for
flood tide
high water
slack tide
ebb tide
46
Select the wave that would have the longest wave period (e.g. 20 min)
tides
wind waves
capillary waves
tsunami
47
__________ is a rising tide.
slack water
ebb
spring
flood
48
The annual variation in atmospheric CO2 is caused primarily by seasonal photosynthesis on land in the N. Hemisphere.
False
True
49
Below the pycnocline, ocean water is 15 ppt.
True
False
50
The most destructive feature of a hurricane is
the atmospheric pressure.
the high winds.
the storm surge.
the complete lack of sunlight.
51
When sea ice forms, the surface water beneath the ice becomes less dense.
True
False
52
Is this Sea Breeze or Land Breeze?
Land Breeze
Sea Breeze
53
What are the main contributors to sea level rise?
More tropical storms deposit more water into ocean
Melting of sea ice
The land is sinking, making it seem like the sea is rising
Thermal expansion of sea water and melting of land based ice
54
A tidal day is 24 hours long.
False
True
55
Thermohaline circulation
surface currents driven by wind
surface currents driven by temperature
deep ocean currents driven by water density
deep ocean currents driven by wind
56
Coastal communities are
unaffected by nearby oceans
always warmer than inland
more temperate than inland
always cooler than inland
57
Downwelling brings nutrient rich water to the surface?
True
False
58
Icebergs are formed from sea ice.
True
False
59
As depth increases, salinity
Stays the same
increases
decreases