The Reproducibility of Observational Estimates of Surface and Atmospheric Temperature Change

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Science  02 Dec 2011:
Vol. 334, Issue 6060, pp. 1232-1233
DOI: 10.1126/science.1216273

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Although concerns have been expressed about the reliability of surface temperature data sets, findings of pronounced surface warming over the past 60 years have been independently reproduced by multiple groups. In contrast, an initial finding that the lower troposphere cooled since 1979 could not be reproduced. Attempts to confirm this apparent cooling trend led to the discovery of errors in the initial analyses of satellite-based tropospheric temperature measurements.

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