The Coriolis Effect and Ocean Flows
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Questions and Answers

Which of the following is the primary driving force behind winds on Earth?

  • Ocean currents
  • Unequal heating (correct)
  • Rotation of the Earth
  • Atmospheric pressure
  • Which of the following is NOT a characteristic wind associated with atmospheric circulation?

  • Westerlies
  • Trade winds
  • Easterlies
  • Polar easterlies (correct)
  • Which region experiences prevailing winds blowing from east to west?

  • Poles
  • 60 degrees latitude
  • Equator (correct)
  • 30 degrees latitude
  • What is the main factor that sets up surface currents in the ocean?

    <p>Prevailing winds</p> Signup and view all the answers

    In a rectangular ocean, if a wind blows from left to right, what direction will the surface current be?

    <p>Left to right</p> Signup and view all the answers

    Which hemisphere experiences a clockwise loop of current in the North Atlantic Ocean?

    <p>Northern hemisphere</p> Signup and view all the answers

    What is the name given to the boundary between the trade winds and the westerlies?

    <p>Horse latitudes</p> Signup and view all the answers

    What direction does the net surface current in the northern hemisphere tend to be bent towards?

    <p>Right</p> Signup and view all the answers

    What is the term used to describe the loop of current in the North Atlantic Ocean?

    <p>Gyre</p> Signup and view all the answers

    What is the main driving force behind the loop current in the ocean?

    <p>Wind stress</p> Signup and view all the answers

    What are the two jet streams mentioned in the text?

    <p>Hadley jet stream and Polar jet stream</p> Signup and view all the answers

    What can happen if you fly on the wrong side of a jet stream?

    <p>Travel time can be increased</p> Signup and view all the answers

    Which direction do Coriolis effects tend to bend flows in the Northern Hemisphere?

    <p>Towards the right</p> Signup and view all the answers

    What causes the water in the ocean to move at depths of 10-30 meters?

    <p>Movement of the water above it</p> Signup and view all the answers

    What is the average direction in which the surface of the ocean is being dragged by the wind?

    <p>Towards the right</p> Signup and view all the answers

    What is the net transport by surface winds in the surface ocean in relation to the surface wind direction?

    <p>In the same direction</p> Signup and view all the answers

    What is the approximate deflection angle of the surface current in the ocean caused by surface winds?

    <p>90 degrees</p> Signup and view all the answers

    What does the high-pressure system in the center of each gyre cause?

    <p>Formation of high-pressure systems</p> Signup and view all the answers

    What does the difference between the actual sea surface and the surface if the ocean wasn't moving indicate?

    <p>Circulation pattern</p> Signup and view all the answers

    Which direction does the wind blow in the North Atlantic?

    <p>From the Northeast to the southwest</p> Signup and view all the answers

    What happens to the water when the wind blows across a large distance of water?

    <p>The water piles up on the downwind side of the ocean basin</p> Signup and view all the answers

    What causes the creation of a pressure gradient in the ocean basin?

    <p>The pile of water on the downwind side</p> Signup and view all the answers

    What happens to the water when it reaches the edge of the ocean basin?

    <p>It can't be dragged by the wind anymore</p> Signup and view all the answers

    What effect does the spinning of the planet have on the simple cases of high and low pressure in the water?

    <p>It complicates the flow of water from high to low pressure</p> Signup and view all the answers

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