File:Temperature reconstruction last two millennia.svg
原本檔案 (SVG檔案,表面大細: 485 × 325 像素,檔案大細:134 KB)
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描述Temperature reconstruction last two millennia.svg |
English: Temperatures with respect to the 1850–1900 mean over the last 2 millennia (blue) and observational estimates ranging from 1850 to 2020 (black). The shaded region contains the 68% confidence interval. The temperature anomalies are from the 2019 Nature Geoscience paper by the Pages2k Consortium.[1] using a wide set of proxies that have been vetted by the same consortium.[2] They include tree ring data, data from corals and ice core data.
The confidence interval incorporates two sources of uncertainty. The first one derives from the the method of translating information in the proxies into temperatures. Seven different peer-reviewed methods are employed and all considered equally likely in the figure. The methods range from a simple linear method where proxies sensitivities are fitted to the observational to determine past temperature, to more complicated methods in which information about spatial patterns is taken into account, or information about natural forcing is taken into account. The second type of uncertainty is in the selection of proxies. Some proxies might not be entirely reliable and their inclusion might slightly bias the reconstruction. By randomly selecting a subset of proxies, this uncertainty can be quantified. Code to create the figure is adapted from the Nature Geosciences paper[1] and can be found on https://figshare.com/collections/Global_mean_temperature_reconstructions_over_the_Common_Era/4507043. The figure is a simplification of Fig 1a from this paper. Individual reconstruction methods are not shown. The observational data is HadCRUT5, plotted with a ten-year running mean.[3] references
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日期 | |
來源 | 自己作品 |
作者 | Femke Nijsse |
Other versions |
The above two-millennia chart is included in the following composites:
Derivative works of this file: |
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現時 | 2023年4月3號 (一) 17:37 | 485 × 325(134 KB) | Aspere(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ko. | |
2022年9月10號 (六) 10:18 | 485 × 325(133 KB) | Theklan(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for eu. | ||
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2021年12月17號 (五) 11:51 | 485 × 325(131 KB) | Gabriel Kielland(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for nb. | ||
2021年12月14號 (二) 22:05 | 485 × 325(128 KB) | RCraig09(傾偈 | 貢獻) | 14 Dec 2021: per Talk page, nudging "Observed" to the right and anchoring at end of text so long-word translations will expand from right to left and not intersect the graph trace. | ||
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2021年12月7號 (二) 15:19 | 485 × 325(124 KB) | GoEThe(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for pt. | ||
2021年12月3號 (五) 16:44 | 485 × 325(121 KB) | Femke(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for nl. | ||
2021年12月3號 (五) 16:42 | 485 × 325(121 KB) | Femke(傾偈 | 貢獻) | File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for es. | ||
2021年12月3號 (五) 16:33 | 485 × 325(122 KB) | Femke(傾偈 | 貢獻) | Allow more space for translations |
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- File:2,000- and 139-year global average temperature.png
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- File:20200320 ~140 and ~2000 year global average temperature charts (full speed).webm
- File:800,000-, 2,000-, 139-year global average temperature.png
- File:Reconstrucción de las temperaturas de los dos últimos milenios.svg
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