 | Intergovernmental Panel on Climate Change. Working Group I. - 2001 - 416 pages
...curve) variations of the average surface temperature of the Northern Hemisphere for the past 1 000 years have been reconstructed from "proxy" data calibrated...confidence range in the annual data is represented by the grey region. These uncertainties increase in more distant times and are always much larger than... | |
 | V. Subramanian - 2002 - 258 pages
...temperature has increased by 0.6 ± 0.2 °C. b. Additionally, the year by year and 50 year average variations of the average surface temperature of the..."proxy" data calibrated against thermometer data. The 95% confidence range in the annual data is represented by the grey region. These uncertainties... | |
 | United States. Congress. Senate. Committee on Commerce, Science, and Transportation - 2004 - 102 pages
...temperature has increased by 0.6 ± 0.2°C. (b) Additionally, the year by year (blue curve) and 50 year average (black curve) variations of the average...1000 years have been reconstructed from "proxy" data catibrated against thermomeier data (see tist of the main proxy data in the diagram). The 95% confidence... | |
 | Daniel A. Vallero - 2006 - 596 pages
...surface temperature has increased by 0.6 + 0.2°C. (b) Additionally, the year-by-year and 50-year average variations of the average surface temperature of the northern hemisphere for the past 1,000 years have been reconstructed from proxy data calibrated against thermometer data (see the list... | |
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... urbanisation over the land. Over both the last 140 years and 100 years, the best estimate is that the global average surface temperature has increased by 0.6 ± 0.2°C. (b) Additionally, the year by year (blue curve) and 50 year average (black curve)... 