Climate sensitivity constrained by temperature reconstructions over the past seven centuries

  title={Climate sensitivity constrained by temperature reconstructions over the past seven centuries},
  author={Gabriele C. Hegerl and Thomas J. Crowley and William T. Hyde and David J. Frame},
There is a Brief Communications Arising (01 March 2007) associated with this documentThe magnitude and impact of future global warming depends on the sensitivity of the climate system to changes in greenhouse gas concentrations. The commonly accepted range for the equilibrium global mean temperature change in response to a doubling of the atmospheric carbon dioxide concentration, termed climate sensitivity, is 1.5–4.5 K (ref. 2). A number of observational studies, however, find a substantial… CONTINUE READING
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Detection of volcanic, solar, and greenhouse gas signals in paleo-reconstructions of Northern Hemispheric temperature

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