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Nature 433, 587-588 (10 February 2005) | doi:10.1038/433587a; Published online 9 February 2005

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Climate change:  Let all the voices be heard

D. M. Anderson1 & C. A. Woodhouse1

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It's a tough job to excavate trustworthy records about past temperatures from the palaeoclimate archives. The application of a fresh approach, in the form of wavelet analysis of the data, is a step forward.

Records of temperature during the past two millennia provide clues to the natural variation we might expect in the future. They also support attempts to partition recent warming into natural and anthropogenic components, and to measure the sensitivity of climate to greenhouse gases in the atmosphere.

  1. D. M. Anderson and C. A. Woodhouse are in the Paleoclimatology Branch, National Climatic Data Center, Boulder, Colorado 80305-3328, USA.
    e-mail: Email: david.m.anderson@noaa.gov

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