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El Nino, La Nina and Walker Circulation
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Resource Key

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LEVEL 1

brief, basic information laid out in an easy-to-read format. May use informal language. (Includes most news articles)

LEVEL 2

provides additional background information and further reading. Introduces some subject-specific language.

LEVEL 3

lengthy, detailed information. Frequently uses technical/subject-specific language. (Includes most analytical articles)

Definitions

Introduction

Heating of Earth's surface and atmosphere by the sun drives convection within the atmosphere and oceans, producing winds and ocean currents. The complex mechanisms of these movements are responsible for a large degree of variability in regional climates. The ocean and atmospheric currents may result in two different areas on the same latitude having significantly different climates and, as such, they are also a factor in controlling the diversity of life. The purpose of this research project is to gain a better understanding of how these global systems can influence local climates.

El Niño and La Niña Basics

El Nino and La Nina

Climate and Water Outlook

Bureau of Meteorology. (2015, October 28). Climate and Water Outlook, November 2015 — January 2016 [Video file]. Retrieved from https://www.youtube.com/watch?v=gGDdTVyowxI

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