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  1. Is there any new news regarding the attempts to resolve the discrepancy between different groups’ analyses of the temperature trends from the satellite data? I tend to tell people that the papers that came out in the last couple of years changed the question back from “Why do the satellite and surface measurements disagree?” to “Do the satellite and surface measurements disagree?”

    But, I’ve been wondering if there has been any sort of resolution on this latter question?

    [I know that technically “disagree” is a bit of an oversimplification and that a more precise statement of the question might be something like “Do the satellite measurements of the troposphere show a smaller mean temperature rise than the surface measurements, whereas the models predict that anthropogenic warming should result in a somewhat larger temperature rise in mean tropospheric temperatures than at the surface?” But that all gets to be a good deal less pithy!]

    [Response: Thanks for your comment. We hope to have a more detailed posting on this sometime in the future (perhaps a FAQ item on “Is There Any Inconsistency Between Different Instrument-Based Measurements of Atmospheric Temperature Trends”). Meanwhile, you can find decent, up-to-date discussions on Wikipedia and in the recent National Academy of Sciences report on “Radiative Forcing of Climate Change: Expanding the Concept and Addressing Uncertainties (2005)” (see specifically the discussion on page 62 and pages 101-102″ of the report). -mike]

    Comment by Joel Shore — 8 Jan 2005 @ 1:35 AM

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