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Dark Skies: Volcanic Contribution to Climate Change

Dark Skies: Volcanic Contribution to Climate Change. Volcanoes. Mount St. Helens, May 1980. http://vulcan.wr.usgs.gov/Volcanoes/MSH/Images/. Mount St. Helens, May 1980. http://vulcan.wr.usgs.gov/Volcanoes/MSH/Images/. Compare and Contrast Images. Image A. Image B. Pristine Atmosphere.

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Dark Skies: Volcanic Contribution to Climate Change

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  1. Dark Skies: Volcanic Contribution to Climate Change

  2. Volcanoes

  3. Mount St. Helens, May 1980 http://vulcan.wr.usgs.gov/Volcanoes/MSH/Images/

  4. Mount St. Helens, May 1980 http://vulcan.wr.usgs.gov/Volcanoes/MSH/Images/

  5. Compare and Contrast Images Image A Image B

  6. Pristine Atmosphere Layer of fine droplets following the Pinatubo eruption

  7. Volcanic Contribution to Climate Change Step 1 Ash and gas enter the atmosphere

  8. Volcanic Contribution to Climate Change Step 2 Ash and gas spread throughout the atmosphere. Eventually, the Earth is wrapped in a layer of ash and gas. Ash and gas plume from Mt. Etna, in northeastern Sicily.

  9. Volcanic Contribution to Climate Change Step 3 Ash and gas block energy from the Sun. Earth's temperature drops.

  10. Volcanic Contribution to Climate Change Step 4 Heat radiating off the surface of Earth becomes trapped in the layer formed by the eruption. Trapped heat changes global climate patterns.

  11. Krakatau Sunsets 1883-85 Krakatau 1883 El Chichon 1982

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