Effects of Global Climate Change Jumping into the world of speculation
The big questions <ul><li>Are global CO2 concentrations increasing? </li></ul><ul><ul><li>Yes-  </li></ul></ul><ul><li>Are...
Climate Models  <ul><li>How much will each thing contribute? </li></ul><ul><li>Manipulate to match </li></ul><ul><li>the p...
Consider the feedbacks <ul><li>Negative feedback- reverse the warming trend </li></ul><ul><li>Positive feedback- exaggerat...
Combined Effects
Terminology  Global Warming Global Climate Change   Why?
Applying to Earth Systems
What effect is predicted to… ?  <ul><li>Wildlife </li></ul><ul><li>Tropical storms </li></ul><ul><li>Tropical diseases </l...
Wildlife <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units  </li></ul>
Tropical Storms  <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units  </li></ul>
Tropical Disease <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units  </li></ul>
Polar Ice Caps/Sea Level  <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units ...
Desertification <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units  </li></ul>
Agriculture <ul><li>Good impacts </li></ul><ul><li>Bad impacts  </li></ul><ul><li>Connections to past units  </li></ul>
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Global Warming09

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Global Warming09

  1. 1. Effects of Global Climate Change Jumping into the world of speculation
  2. 2. The big questions <ul><li>Are global CO2 concentrations increasing? </li></ul><ul><ul><li>Yes- </li></ul></ul><ul><li>Are global temperatures increasing? </li></ul><ul><ul><li>Yes- </li></ul></ul><ul><li>Does CO2 contribute to the greenhouse effect? </li></ul><ul><ul><li>Yes- </li></ul></ul><ul><li>Does the greenhouse effect cause warming? </li></ul><ul><ul><li>Yes- </li></ul></ul><ul><li>How will the earth be affected by warming? </li></ul><ul><ul><li>Methods? </li></ul></ul>
  3. 3. Climate Models <ul><li>How much will each thing contribute? </li></ul><ul><li>Manipulate to match </li></ul><ul><li>the past </li></ul><ul><li>Use it to predict the </li></ul><ul><li>future </li></ul><ul><li>Must take feedbacks </li></ul><ul><li>into account </li></ul>
  4. 4. Consider the feedbacks <ul><li>Negative feedback- reverse the warming trend </li></ul><ul><li>Positive feedback- exaggerates the warming trend </li></ul><ul><li>More water evaporates which make more clouds that reflect the sun </li></ul><ul><li>Glaciers melt and reveal dark rock underneath that absorbs the sun </li></ul><ul><li>Melting permafrost releases methane from decomposing ground </li></ul><ul><li>More CO2 in atmosphere for plants </li></ul>
  5. 5. Combined Effects
  6. 6. Terminology Global Warming Global Climate Change Why?
  7. 7. Applying to Earth Systems
  8. 8. What effect is predicted to… ? <ul><li>Wildlife </li></ul><ul><li>Tropical storms </li></ul><ul><li>Tropical diseases </li></ul><ul><li>Polar ice caps/sea level </li></ul><ul><li>Desertification </li></ul><ul><li>Agriculture </li></ul><ul><li>Good impacts? Bad impacts? </li></ul><ul><li>Connections to past units </li></ul>
  9. 9. Wildlife <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
  10. 10. Tropical Storms <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
  11. 11. Tropical Disease <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
  12. 12. Polar Ice Caps/Sea Level <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
  13. 13. Desertification <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
  14. 14. Agriculture <ul><li>Good impacts </li></ul><ul><li>Bad impacts </li></ul><ul><li>Connections to past units </li></ul>
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