File:20190707 Compare warming stripes - three reference periods.png
Original file (3,200 × 1,800 pixels, file size: 97 KB, MIME type: image/png)
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Summary
| Description |
English: Comparison of three w:Warming stripes graphics, visualizing the same dataset but with different "reference periods"—whose respective temperature averages determine the boundary between blue and red stripes.
Thin purple horizontal bars show the reference periods (here, each 30 years) for each stripe diagram.
Dataset is from w:Berkeley Earth, global, 1850-2018. Links to source data are provided in the Wikimedia page of the related image pictured below, which constitutes the top panel in the present graphic. Each color in these graphics covers a 0.10° C temperature range. Explanation: This comparison illustrates how choice of reference period can allow the full range of data to be represented and not fall out of range of a limited number of stripe colors (here, 8 blue plus 8 red hues). Here, the top panel has the reference period with the lowest average temperature, and as a result some of the most recent years are "off the color scale". In this comparison example, choosing later and later reference periods (which have higher and higher average temperatures) avoids going off the scale. Expanding the temperature range of coverage of each color hue can also avoid this clipping, though that is dealt with in a separate Wikimedia file: here. |
| Date | |
| Source | Own work |
| Author | RCraig09 |
| Other versions |
The following file is the source of the top panel in the above comparison: _-_avg_above-_and_below-ice_readings.png) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:41, 29 July 2019 | | 3,200 × 1,800 (97 KB) | RCraig09 | Removing textual clutter. Making purple-line indicators of reference periods more dominant since that's the purpose of this comparison graphic. |
| 17:58, 7 July 2019 |  | 3,200 × 1,800 (63 KB) | RCraig09 | User created page with UploadWizard |
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- Usage on fr.wikipedia.org
