The Instrumental Data Record: Its Accuracy and Use in Attempts to Identify the “CO2 Signal”



Although meteorological recording began earlier, the period since the middle of the nineteenth century is that traditionally associated with instrumental records. This review examines in detail the reliability of temperature, precipitation and sea-level pressure data, concentrating on the construction of hemispheric and global average temperature series. The key piece of observational evidence in the “global warming debate” is the “global” temperature series (Jones and Wigley, 1990). How much has the temperature risen? In the last section, pattern correlation statistics are used to search for the greenhouse warming signals predicted by five different General Circulation Models in the observed record of land and ocean surface temperature changes. No trends in the time series of the statistic, R(t), were found.


Pattern Correlation Reference Period North Pacific Region GFDL Model Enhance Greenhouse Effect 
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© Springer-Verlag Berlin Heidelberg 1995

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