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Global world wide effects of bushfires

by Richard Conan-Davies
24 April 2005

Smoke

One of the main potentially global or world wide effects of bushfires is smoke. In Australia smoke from fires usually does not go into other countries. Although sometimes smoke from fires in Northern Australia may go north into Indonesia. But also fires that happen in Indonesia smoke can blow into Australia.

Smoke in the atmosphere can change the way sun light gets through. This sometimes can reflect light and reduce the temperature on the ground for a while. Sometimes this can also affect how much light is available for plants to use (photosynthesis)

Carbon dioxide

Another possible global effect of bushfires is production of extra carbon dioxide. More fires would lead to an increase in carbon dioxide in the atmosphere. This may increase the green house effect that can increase the average global temperature.

Overall global effects on weather

The global effects of a bushfire really depends on how big the fires are and how often they occur. The effects on other countries are usually indirect and can affect different countries in different ways. For example for places rain seasons may be increase or decrease because of a change in temperature in another part of the world. A bit like a domino effect. ( Where one domino knocks into another, in this case one weather pattern bumps into another)

Reference:

Fire's role in global warming studied - CNN

Global Fire Monitoring -NASA Earth Observatory

Aerosol Impacts on the Land-Atmosphere Interactions

pyrocumulus
Sometimes a bushfires can cause clouds to form ( called pyro cumulus)

 

NSW bushfire smoke satellite image
Here is a satellite picture of a bushfire. You can large amount smoke ( sometimes called aerosols)

 

indonesian smoke satellite image

Smoke from Indonesian Fires in 1997

image: NASA


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