Monday, November 30, 2009

Volcano Review


Volcanoes and Climate Change (Last part of review sheet)

Volcanoes contribute to both the warming and cooling of the Earth.

Warming
CO2 emitted from the volcano adds to greenhouse gases. It absorbs infared radiation and heats the Earth.
Chlorine gases in the form of hydrochloric acid cause ozone depletion, which lets more radiation enter the Earth's atmosphere.

Cooling
Sulfur gases released from a volcanic eruption reflect some light back into space
Dust particles (ash clouds, etc) released from eruption also reflect some of the waves back to space.


Virtual Volcano Activity

Low Viscosity (both low and high gas) => Shield Volcano

Medium- low viscosity => Cinder Cone

High Gas (medium high and high viscosity) => Strato/ Composite Volcano


Picture from: http://mrsdlovesscience.com/greenhouse/greenhouse_effect.jpg




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