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Natural Influences on Climate

The collection of videos below are to help break down the concepts in the Year 10  Science Pearson textbook Chapter 6.2, which is quite dense. I hope you find these videos helpful.

Earth's Surface

Different materials absorb and reflect the sun's energy, and so too will the regions of the earth that are ice, desert, forest and water.

Earth's Tilt

Earth's tilt affects how much of the sun's energy reaches the northern and southern hemispheres.

What Causes the Seasons? - Veritasium (Derek Muller)

The Greenhouse Effect

Weather vs Climate, and an explanation of how the greenhouse effect works.

The Southern Oscillation

The Southern Oscillation affects Australia's north-east coasts via Normal, El Niño, and La Niña periods. 

The Southern Oscillation Index - Australian Government Bureau of Meteorology (summary)

Where wind comes from - The Encyclopaedia of Earth (Read the introduction)

Australia 2012

The Australian Bureau of Meterology reports on the extreme weather that we experienced in Australia during 2012 in relation to the concepts shown in the other videos on this page.

Indian Ocean Dipole

The Indian Ocean Dipole (IOD) affects the periods of increased/decreased rainfall over the southern regions of Australia (and also the countries on the other side of the Indian Ocean).

Indian Ocean Dipole - Australian Government Bureau of Meteorology (summary)

Where wind comes from - The Encyclopaedia of Earth (Read the introduction)

Evidence of Climate 
& Ice Ages

The website links referred to in this video are listed below:
  • Sunspots/Solar Activity - Skeptical Science Note: I was wrong - my sunspot info is outdated. Hyperphysics (edu)
  • Earth's Orbit - NOAA Paleoclimatology Program
  • Glaciers - National Snow & Ice Data Center
  • Ice Core Isotopic Analysis - Global-Climate-Change.org
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