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Estimating Climate Sensitivity Report of a Workshop (2003) / Chapter Skim
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Characterizing Uncertainty
Pages 17-20

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 17...
... In addition, the model includes the major economic uncertainties that affect CO2 emissions, including changes in labor productivity (which implicitly includes population growth) , efficiency of energy use, and the cost of non-carbon technologies These inputs are propagated through the model and yield an output in the form of a PDF for global mean temperature change and other climate variables of interest.
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From page 18...
... With a simple energy balance ciirnate/upwelling diffusion-ocean model, he and Natalia Andronova carried out a series of simulations using various combinations of radiative forcing agents (including long-lived greenhouse gases [GHGs] , tropospheric ozone, volcanoes, solar irradiance changes, and anthropogenic sulfate aerosols)
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From page 19...
... may reflect an exaggerated hemispheric surface temperature response to volcanic activity, due to the restricted extratropical geographical locations and limited (summery seasonal sensitivity of the proxy data used. Likewise, proxy reconstructions that target integrated annual mean temperature tend to mask seasonally specific anomalies that could provide potential dynamical insights.
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From page 20...
... In terms of research needs, there is value in the mul~apliaty of approaches being used by Me research community. Note that the leadership of the next IPCC assessment intends to carefully examine recent developments in our scientific understanding of the sensitivity (Seq and Se: parameters.
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Key Terms

  • climate sensitivity
  • sensitivity value
  • mean temperature
  • surface temperature
  • sulfate radiative

  • temperature changes
  • global mean
  • temperature change
  • hemisphere temperature
  • interhemispheric temperature

  • southern hemisphere
  • observed changes
  • various policy
  • northern hemisphere
  • temperature reconstructions

  • aerosol radiative
  • heat uptake
  • natural variations
  • observed temperature
  • temperature difference

  • anthropogenic aerosols
  • shorter time
  • model runs
  • restricted extratropical
  • researchers determine

  • carlo approach
  • negative radiative
  • temperature record
  • extratropical geographical
  • putative changes


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