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Currents practice

Last updated over 2 years ago
31 questions
Use the image below to answer the following questions.
1

The red arrows represent

1

The blue arrows represent

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The red arrows are found on which side of the ocean basin?

1

The blue arrows are found on which side of the ocean basin?

1

Western boundary currents are found on the western side of a land mass

1

Eastern boundary currents are found on the Easter side of an ocean basin.

1

Eastern boundary currents are

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Western boundary currents are

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Warm western boundary currents come from

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Cold eastern boundary currents come from

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Downwelling often occures at

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Fisheries are often set up in areas where there is

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Upwelling

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Warm surface waters are

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Areas where downwelling occurs are

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Upwelling occurs often in

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It would be better to set up a fishing industry on the

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Downwelling

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Which of the folowing leads to upwelling

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Which of the folowing leads to downwelling

1

Look at the picture below

What is shown in the picture? Upwelling or Downwellling
Where is this taking place? Northern or Southeren Hemisphere

1

Look at the picture below


What is shown in the picture? Upwelling or Downwellling
Where is this taking place? Northern or Southeren Hemisphere

1

Look at the picture below





What is shown in the picture? Upwelling or Downwellling
Where is this taking place? Northern or Southeren Hemisphere

1

Look at the picture below





What is shown in the picture? Upwelling or Downwellling
Where is this taking place? Northern or Southeren Hemisphere

1

Which of the following best describes how temperature affects the water density ?

1

Which of the following best describes how salinity affects the water density ?

The Global conveyor belt

1

The cold salty water at the poles will ____________________

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The warm water at the equator moves towards poles and the cold water at the poles moves toward the equator. Why is this important

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As the cold salty water sinks at the pole the warm oxygen rich water from the equator replaces the displacing water. This warm water cools down and sinks to the bottom. Why is this important?

1

The cold salty nutrient rich water water sinks at the pole and moves toward the equator. As it reaches the equator the cold water warms up and rise to the surface. Why is this important?

1

What will happen if the temperature differences between the poles and the equator decrease?