File:Natural anthropogenic models.png
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Reconstructions of global temperature that include greenhouse gas increases and other human influences (red line, based on many models) closely match measured temperatures (dashed line). Those that only include natural influences (blue line, based on many models) show a slight cooling, which has not occurred. The ability of models to generate reasonable histories of global temperature is verified by their response to four 20th-century volcanic eruptions: each eruption caused brief cooling that appeared in observed as well as modeled records. (Graph adapted from Hegerl and Zwiers et al., 2007.)
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| current | 08:54, 5 May 2010 | | 720 × 291 (26 KB) | Pile (Talk | contribs) | (Reconstructions of global temperature that include greenhouse gas increases and other human influences (red line, based on many models) closely match measured temperatures (dashed line). Those that only include natural influences (blue line, based on many) |
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