GISS analysis of surface temperature change

  title={GISS analysis of surface temperature change},
  author={James E. Hansen and Reto Ruedy and J. Glascoe and Makiko Sato},
  journal={Journal of Geophysical Research},
We describe the current GISS analysis of surface temperature change for the period 1880-1999 based primarily on meteorological station measurements. The global surface temperature in 1998 was the warmest in the period of instrumental data. The rate of temperature change was higher in the past 25 years than at any previous time in the period of instrumental data. The warmth of 1998 was too large and pervasive to be fully accounted for by the recent El Nino. Despite cooling in the first half of… 


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