Currents and Climate – Flashcards
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Upwelling is a process in which warm, nutrient-rich water from the deep ocean rises to the surface.
TRUE OR FALSE
answer
FALSE
question
Which statement describes the negative effects of El Niño?
a.
El Niño appears every 2 to 12 years.
b.
Rain, flash floods, and mudslides occur in places where there is usually little rain, while usually wet areas suffer from drought.
c.
Sometimes El Niño is followed by La Niña, during which ocean temperatures become cooler.
d.
Upwelling along the coast of South America occurs after an El Niño.
answer
B. Rain, flash floods, and mudslides occur in places where there is usually little rain, while usually wet areas suffer from drought.
question
Buoys that record El Niño can transmit data to satellites in space. What can you conclude from this fact?
a.
The buoy and its satellite are launched at the same time.
b.
The buoys are spread out along the equator.
c.
Scientists work and live on the buoys.
d.
The buoys are equipped with computers.
answer
D. The buoys are equipped with computers
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ocean current that cools the West Coast of the United States is called what?
answer
California Current
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a change in the water temperature of the Pacific Ocean that produces a warm current is what?
answer
El Nino
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How would California be different if there were no California Current?
a.
Its climate would be cooler.
c.
Its climate would be drier.
b.
There would be less wind and fog.
d.
Its climate would be warmer.
answer
D. Its climate would be warmer
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Surface currents greatly affect the climate in many parts of the world.
TRUE OR FALSE
answer
TRUE
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It is important for scientists to learn as much as possible about El Niño because the weather pattern
a.
has so far been completely unpredictable.
b.
affects North America more than any other continent.
c.
has so many effects on organisms and land.
d.
can only be studied out in the open ocean.
answer
C. has so many effects on organisms and land
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used to collect data to predict an El Niño is what?
answer
Buoys
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a change in the water temperature of the eastern Pacific Ocean that produces cooler than usual surface water temperatures is called what?
answer
La Nina
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Upwelling
answer
The movement of deep, cold, and nutrient-rich water to the surface.
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El Nino
answer
A change in the surface water temperature in the Pacific Ocean that produces a warm current.
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La Nina
answer
A change in the eastern Pacific Ocean in which the surface water temperature becomes unusually cool.
