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Dark Skies: Volcanic Contribution to Climate Change

Explore the pivotal role of volcanic eruptions like Mount St. Helens' 1980 event in altering global climate patterns. Witness the ash and gas dynamics in the Earth's atmosphere and their profound influence on temperature and climate adjustments.

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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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