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Global Carbon Cycle And Global Change
 

Global Carbon Cycle And Global Change

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    Global Carbon Cycle And Global Change Global Carbon Cycle And Global Change Presentation Transcript

    • Global Carbon Cycle and Global Climate Change
      Ecology: Science Behind Environmental Issues
      Spring 2010
    • Global Carbon Cycle(simple view)
      EoE- http://www.eoearth.org/article/Carbon_cycle
    • Main “Resevoirs” for Carbon
      Atmosphere
      Rocks
      Including fossil fuels
      Water
      Living Organisms
    • Humans Have Altered the Global Carbon Cycle
      Burning Fossil Fuels
      Increases the rate of movement of carbon from “rocks” to “atmosphere”
      Deforestation
      Lower number of plants photosynthesizing decreases the rate that carbon moves from “atmosphere” to “living organisms”
      Burning Trees
      Increases the rate that carbon moves from “living organisms” to the atmosphere
    • Woods Hole Research Center- http://www.whrc.org/carbon/index.htm
    • Woods Hole Research Center- http://www.whrc.org/carbon/index.htm
    • Mauna Loa Observatory
      EoE-http://www.eoearth.org/article/Mauna_Loa_curve
    • Mauna Loa Curve
      EoE- http://www.eoearth.org/image/Mauna_loa_curve.jpg
    • Carbon Dioxide is a Greenhouse Gas
      Electromagnetic energy from the sun is transmitted through carbon dioxide
      Infrared radiation (heat) is absorbed by carbon dioxide and reradiated
    • Greenhouse Effect
    • Global Climate Change
      Unless otherwise noted, all slides are from a presentation developed by Katharine Hayhoe, a Research Associate Professor in the Department of Geosciences at Texas Tech University
      She was a member of the Intergovernmental Panel on Climate Change as was awarded a Nobel Prize as part of that group.
      Her full presentation and other info is available at
      http://katharinehayhoe.com/
    • Mauna Loa Curve
      http://www.eoearth.org/article/Mauna_Loa_curve
    • Greenhouse Effect
      http://www.eoearth.org/article/Greenhouse_effect
    • What experiment can we conduct to “prove” that human activity is causing global warming?We only have one planet, so we can’t do a controlled, replicated, manipulative experiment?Thus, we have to rely on mathematical models.
    • http://www.eoearth.org/article/Intergovernmental_Panel_on_Climate_Change_%28IPCC%29
      Intergovernmental Panel on Climate Change (IPCC)