El Niño–Southern Oscillation (ENSO) Climate Phenomenon
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Questions and Answers

What causes El Niño by causing the ocean surface to reach above average temperatures?

  • Weakening or reversal of the Walker circulation (correct)
  • High air surface pressure in the tropical western Pacific
  • Low air surface pressure in the tropical western Pacific
  • The Southern Oscillation

    • What is the cooling phase of the sea temperature known as in the El Niño–Southern Oscillation?

  • Walker circulation
  • Southern Oscillation
  • La Niña (correct)
  • El Niño

    • What atmospheric component is coupled with the sea temperature change in the El Niño–Southern Oscillation?

  • Trade winds
  • Southern Oscillation (correct)
  • Pressure gradient force
  • Walker circulation

    • What is the warming phase of the sea temperature known as in the El Niño–Southern Oscillation?

    <p>El Niño</p> Signup and view all the answers

    What causes La Niña, resulting in cooler ocean temperatures due to increased upwelling?

    <p>A strong Walker circulation</p> Signup and view all the answers

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