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Figure : temp-change-from-proxy-data
1700 Years of Global Temperature Change from Proxy Data
Figure 1.8Texas Tech University, Cooperative Institute for Climate and Satellites - NC
Katharine Hayhoe, Kenneth E. Kunkel
This figure appears in chapter 1 of the Climate Science Special Report: The Fourth National Climate Assessment: Volume I report.
Changes in the temperature of the Northern Hemisphere from surface observations (in red) and from proxies (in black; uncertainty range represented by shading) relative to 1961– 1990 average temperature. If this graph were plotted relative to 1901–1960 instead of 1961– 1990, the temperature changes would be 0.47°F (0.26°C) higher. These analyses suggest that current temperatures are higher than seen in the Northern Hemisphere, and likely globally, in at least the last 1,700 years, and that the last decade (2006–2015) was the warmest decade on record. (Figure source: adapted from Mann et al. 2008ade3fd09-603e-4fae-b252-1a4142392ea0).
Free to use with credit to the original figure source.
This figure was created on September 02, 2016.
This figure was submitted on October 06, 2017.
- Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia (ade3fd09)
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