ENSC 300 Central Connecticut State El Nin?o Southern Oscillation Questions

Question Description

Go to the NOAA, El Niño Southern Oscillation page and answer the following questions:

  1. 1) What is the El Niño Southern Oscillation (ENSO)?
  2. 2) Describe “Normal” or Neutral conditions in the ENSO cycle.
  3. 3) Describe the El Nino El Niño phase of the ENSO.
  4. 4) On average, how long does the El Niño phase of the ENSO last?
  5. 5) Describe the La Nina phase of the ENSO?

Watch the video, “Developing the El Niño Observations System”

  1. 6) How are SST measures employed to determine and how it is used to predict ENSO
    phases (i.e. describe the TIO/TRITON Array)?
  2. 7) Describe the ENSO impact on climate in North and South America (all three
  3. 8) Describe the ENSO impact on climate in Australia and India (all three phases.)
  4. 9) What phase of the ENSO are we in today?

10) What is the ENSO prediction for the rest of the year?

11) If the current ENSO prediction is correct, what impact might it have on the current
rainfall/drought conditions in California?

Additional Links:

Check-out the ENSO animations should the sea surface temperature variations in the
eastern Pacific Ocean during the strong El Niño /La Nina cycle which occurred between
1997 and 2000.

Prof. Angela


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