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Teacher Info

Enrichment.1

Get Activity pages for this lesson.This section has three pages. Click on the pdf icon at left if you do not have an  activity sheet for this section.

A - Wind Patterns

If your class has studied global winds, explain in detail why El Niño sea surface temperatures affect weather patterns and where the effects occur.

B - Social Studies / Language Arts Activity

checkmarkClick here to go to the ECONOMIC IMPACTS site.

Read the data and write an explanation of the economic impacts of an El Niño event.

C - Math Activity

Predict the effect of the 1997 El Niño on Rockhampton Australia  based on the departure from normal of the sea surface temperature during the 1982 El Niño.

checkmarkClick here to return to the EL NIÑO COMPARISON GRAPH site.

  • Follow the detailed directions in your Activity book.
  1. Find the 1982/1983 abnormality in temperature measured at the March/April closest to the middle of the graph.
  2. Divide the Deviation from Normal by the Temperature Difference. This gives you a number telling you how much the rainfall should increase for each degree that the sea surface temperature is above normal.
  3. Using your calculations, predict what the rainfall increase will be in Rockhampton, Australia during the March/April period if an El Nino occurred that was 4.1 degrees above normal. (To find the answer, multiply your Rainfall Increase per Degree value times the 4.1 degree increase.)

     

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