Intro To Oceanography Final Exam || with 100% Errorless Solutions.
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Module
Intro To Oceanography
Institution
Intro To Oceanography
Resultant tidal forces are produced by:
the difference between centripetal and gravitational forces.
the force produced by Earth's rotation matched with the spin of the Moon.
density forces balanced by the force of buoyancy.
the Coriolis effect (not a true force) combined with Ekman transport...
Intro To Oceanography Final Exam || with 100% Errorless
Solutions.
Resultant tidal forces are produced by:
the difference between centripetal and gravitational forces.
the force produced by Earth's rotation matched with the spin of the Moon.
density forces balanced by the force of buoyancy.
the Coriolis effect (not a true force) combined with Ekman transport.
none of the above. correct answers the difference between centripetal and gravitational forces
The reason that a lunar day is _________ a solar day is because__________________.
longer than; the Sun rises later every morning
longer than; the Moon is also moving in its orbit around Earth
shorter than; the Sun rises earlier every morning
shorter than; the Moon experiences retrograde motion
the same as; the Moon and the Sun remain in fixed positions relative to Earth correct answers
longer than, the Moon also moving in its orbit around Earth
A high tide is at 3:00 p.m. on a particular day. On the very next day, a high tide would most
likely be expected at correct answers 3:50 P.M.
Of the following phases of the Moon, which one is associated with the smallest tidal range?
quarter-moon
gibbous moon
new moon
crescent moon
full moon correct answers quarter-moon
During the time of a solar eclipse, which of the following statements is NOT true?
The Moon would be in new moon phase.
Neap tide conditions are experienced.
From the Earth, the Sun is at least partially blocked out by the Moon.
The Earth-Moon-Sun system is in alignment (a straight line).
The Moon is in syzygy.
None of the above (all of the above statements are true). correct answers Neap tide conditions are
experienced.
Destructive interference between the solar and lunar tidal bulges occurs during:
every day at about noon.
spring tide.
,every night at about midnight.
apogee.
perigee.
neap tide. correct answers neap tide
Syzygy occurs during:
every night at about midnight.
apogee.
perigee.
spring tides.
neap tides.
every day at about noon. correct answers spring tides
True or False? The gravitational force between two bodies is dependent on mass and distance,
with distance being the factor that influences gravitational force the most. correct answers True
True or False? In a simple model of the tides as tidal bulges, the strongest gravitational influence
= maximum seawater bulge = highest tide. correct answers True
True or False? The best time to go collecting at a tide pool (when there would be the lowest low
tides) is during neap tide conditions. correct answers False
The greatest tidal range on Earth occurs during the times when the Moon is at ___________ and
the Sun is at ___________.
perigee; perihelion
perigee; aphelion
apogee; perihelion
apogee; aphelion
None of the above; it depends on other factors. correct answers perigee; perihelion
A tidal pattern with two nearly equal high tides and two nearly equal low tides per lunar day is
called a __________ tidal pattern.
Under ideal conditions for the West Coast of the U.S., the time interval between a high tide and
the very next high tide would be
12 hours.
12 hours, 25 minutes.
24 hours.
24 hours, 50 minutes.
about one week (7 and 3/8 days). correct answers 12 hours, 25 minutes
What would tides be like on Earth if the Moon did not exist?
Tides would occur, but the tidal range would be greater.
There would be hardly any difference compared to today's tides.
There would be no tides on Earth.
Tides would occur, but the tidal range would be reduced. correct answers Tides would occur, but
the tidal range would be reduced.
In the open ocean, tidal currents follow which of the following patterns?
When water is flowing out of a bay due to a change in the tides, this is called a(n)
neap tide.
spring tide.
flood current.
ebb current.
still water level (datum).
grunion run. correct answers ebb current
A tidal bore is
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