Volcanism In Iceland

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Volcanism In Iceland

  1. 1. Volcanism in Iceland Local, Global and Economic Effects
  2. 2. Why is Iceland Volcanically Active?
  3. 3. Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land
  4. 4. Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period
  5. 5. Built on Mid-atlantic Ridge (spreading zone) 20 million years ago, spreading can be observed on land Since 834 A.D. 18 of the 130 volcanoes have erupted, constituting 30% of global lava flow in the same time period Volcanists travel to Iceland to witness Geological effects
  6. 6. Local & Global Effects of Iceland’s Volcanoes
  7. 7. Laki Eruption, June 8, 1783 122 megatons of sulfur dioxide into the atmosphere
  8. 8. Laki Eruption, June 8, 1783 Acidic rain resulted in acidic soil, killing and preventing plants from growing
  9. 9. Laki Eruption, June 8, 1783 pH of the aerosol may have been less than 2.0
  10. 10. Energy From the Earth
  11. 11. Geothermal energy has been used since prehistoric times.
  12. 12. Geothermal energy comes from radioactive decay of minerals .
  13. 13. Geothermal energy is released through volcanoes, fumaroles, hot spring, and geysers
  14. 14. Uses of Geothermal Energy in Iceland
  15. 15. Iceland’s Volcanic Economy
  16. 16. Economy in Iceland Relies on Earth for Resources
  17. 17. Economy in Iceland Relies on Earth for Resources Geothermal Energy
  18. 18. Economy in Iceland Relies on Earth for Resources Oil & Natural Gas
  19. 19. Economy in Iceland Relies on Earth for Resources Municipal Pools
  20. 20. Volcanism in Iceland

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