Reports a detailed analysis focusing on the seasonal, regional and latitudinal patterns of trends using data from 29 Northern Hemisphere stations through 1986. Through a simple technique to eliminate spurious bias, the analysis allows isolation of the long-term trend of SST anomalies. Comments on the global long-term trend of SST in the tropical Atlantic for the past 70 years. S.B. Idso, Atmos. Uses five data sets to investigate the linear trend in screen-level air temperature in Arizona for the past 50 years.
Disparate results suggest that even assessing recent historic temperature trends can be difficult.
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