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Natural Disasters

Natural Disasters. By: Patrick L. Abbott. Chapter 9. Climate Change. Overview. Climate Early Earth Climate - A Runaway Greenhouse Climate History of the Earth: Time Scale in Millions of Years Glacial Advance and Retreat: Time Scale in Thousands of Years. Overview (cont.).

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Natural Disasters

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  1. Natural Disasters By: Patrick L. Abbott

  2. Chapter 9 Climate Change

  3. Overview • Climate • Early Earth Climate - A Runaway Greenhouse • Climate History of the Earth: Time Scale in Millions of Years • Glacial Advance and Retreat: Time Scale in Thousands of Years

  4. Overview (cont.) • Climate Variations: Time Scale in Hundreds of Years • Shorter-Term Climate Changes: Time Scale in Multiyears • Volcanism and Climate • Drought and Famine • Climate Change

  5. Climate • Factors • Greenhouse Effect

  6. Early Earth Climate - A Runaway Greenhouse • Atmosphere of Other Planets • Earth’s Atmosphere Changes • Methane

  7. Climate History of the Earth: Time Scale in Millions of Years • Bauxite • Halite • Buffer • Late Paleozoic Ice Age • Late Paleocene Torrid Age • Methane hydrates • Late Cenozoic Ice Age • The Last 3 Million Years

  8. Glacial Advance and Retreat: Time Scale in Thousands of Years • The Last 2 Million Years • Glacially Deposited Sediments • The Last 1 Million Years • Three Astronomical Peculiarities • 18,000 to 20,000 Years Ago

  9. Climate Variations: Time Scale in Hundreds of Years • 20,000 Years Ago and Earlier • Suggested Causes in Temperature Increases and Decreases • Sea Level • 7 Thousand Years Ago

  10. Shorter-Term Climate Changes: Time Scale in Multiyears • El Nino • Jet Stream • La Nina

  11. Volcanism and Climate • Troposphere • Tropopause • Stratosphere • Haze • Tambora, 1815 • El Chichon, 1982 • Mount Pinatubo, 1991

  12. Volcanic Climate Effects • Principle Factors • Worst-Case Scenario

  13. Drought and Famine • U.S. Dust Bowl, 1930s • Sub-Sanelian Africa, 1968-1975

  14. Climate Change • Processes Causing Change • Future Changes

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