The major problem with the Chesapeake Bay is ____?

Increased nutrient pollution kills bottom dwellers

Why are ships in the open sea are not damaged by tsunamis?

Tsunamis having long periods and long wavelengths.

During an El Niño event, the S. Equatorial Current reverses causing

warm waters to move off of the NW coast of South America.

Which of these is a cause of deep currents?

differences in density of ocean water

Which explains England's mild climate?

Gulf Stream flows off the coast

Which of these is not correct?

Coriolis deflects currents to the left in N. Hemisphere.

Which of these is the major cause of ocean waves?

winds blowing across the ocean surface

What causes deep ocean currents?

Differences in density of ocean water

lead to erosion on seaward side.

Which of these best describes a wave period?

the time it takes for a wavelength to pass a given point

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Oceanography Semester Review 1

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Questions 32

Answers

1
Which of these best describe western boundary currents?
fast, deep and warm
fast, shallow and cold
slow, shallow and cold
slow, deep and warm
2
Which of these best describes the polar easterlies
found near the Horse latitudes
area of no wind
warm, moist air mass
dry, cold air mass
3
What was the tidal range on November 8?
13 meters
11 meters
15 meters
2 meters
4
Tool is used to predict speed and direction of ocean Currents.
Seismograph
Doppler radar
Spectrometer
Drifter Buoys
5
Which of these best describes Ekman transport compared to the prevailing wind direction?
90 degrees
45 degrees
5 degrees
122 degrees
6
The major problem with the Chesapeake Bay is ____?
Decreased river flow into the Bay kills fish
Increased nutrient pollution kills bottom dwellers
Increased salinity kills crabs
Too much rain kills crabs
7
Why are ships in the open sea are not damaged by tsunamis?
tsunami warning giving ships time to get out of the way
Tsunamis having short periods and high frequency.
Tsunamis do not move through the open sea.
Tsunamis having long periods and long wavelengths.
8
Wind waves on the surface of the sea disturb the water below to a depth equal to
the total depth of the sea at that point.
about one-ninth their wavelength.
their own wavelength.
one-half their wavelength.
9
Very warm, wet air best describes which planetary wind system?
easterlies
westerlies
horse latitudes
trade winds
10
Which of these best explains why sail boats are taken to bays during storms?
Divergence occurs there.
They are protected from the wind.
convergence occurs there.
The water is shallow.
11
When did the next first-quarter Moon after November 17 occur?
December 24
December 14
December 17
December 9
12
During an El Niño event, the S. Equatorial Current reverses causing
warm waters to move off of the NW coast of South America.
cool water along the NW coast of South America
cool waters along the NE coast of South America.
warm waters to move off of the NE coast of South America.
13
Which of these will not increase the density of sea water?
high rates of precipitation
unusually warm summers
high rates of evaporation
high rates of cold air
14
Which of these is a cause of deep currents?
continental barriers
the Coriolis effect
differences in density of ocean water
global wind belts
15
Which warm current flows North along US's east coast?
Gulf Stream
North Equatorial Current
North Atlantic Current
West Wind Drift
16
Which explains England's mild climate?
Upwelling of warm water
Coastal Fog and Mist
Global Warming
Gulf Stream flows off the coast
17
Which of these drives thermohaline circulation?
latitude
longitude
density differences
the Coriolis effect
18
What location of moon does earth experience highest/lowest Tides?
3 & 7
4 & 8
1 & 5
2 & 6
19
Which of these best describes Antarctic Bottom Water?
warm and fresh
warm and salty
cold and salty
cold and fresh
20
Which motion cause the Coriolis Effect?
Moon's revolution around the Earth
Earth's rotation on its axis
Moon's rotation on its axis
Earth's revolution around the Sun
21
Which of these is not correct?
The Kuroshio current is a warm, fast flowing current.
Coriolis deflects currents to the left in N. Hemisphere.
Gulf stream is the largest current in the N. Atlantic.
Cold currents generally move toward the equator.
22
Which of these is not an example of pollutants?
Phytoplankton
Mercury and lead pollution
Too much nitrogen and phosphorus
Sewage and Sludge
23
The Bay of Fundy is known for what?
Extreme high and low tides
A diurnal tide
2 amphidromic points
moderate high and low tides
24
Which of these is the major cause of ocean waves?
density differences between water layers
seismic events
winds blowing across the ocean surface
landslides
25
Which of these is primary cause of the planetary winds?
the Coriolis effect
the tilting of the earth on its axis
the tilting of the earth on its axis
contrast in temperatures between the north and south poles
26
Which of these best describes the water particles in a deep water wave?
move rapidly toward the shore
move in small flattened orbits
do not move: only the wave form moves
move in circular orbits
27
Which of these best describes ocean currents that move toward the poles?
strong, fast and cold water
weak, slow and cold water
weak, slow and warm water
strong, fast and warm water
28
Approximately how many hours apart were the two high tides?
6 hours
18 hours
12 hours
24 hours
29
Which wind belt did explorers from Europe use to travel to America?
the West Wind
the easterlies
the North East trade winds
the westerlies
30
What causes deep ocean currents?
Differences in density of ocean water
Continental barriers
The Coriolis Effect
Global winds
31
Seawalls
causes beach erosion.
never need replacing.
are cost effective.
lead to erosion on seaward side.
32
Which of these best describes a wave period?
the time it takes for a wavelength to pass a given point
the distance from crest to crest
the height from crest to trough
the height of the crest above the equilibrium water level

Oceanography Semester Review 1 Flashcards | StudBud