File:Sahel rainfall timeseries en.svg
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Summary
| Description |
English: More than a century of rainfall data in the Sahel show an unusually wet period from 1950 until 1970 (positive index values), followed by extremely dry years from 1970 to 1990 (negative index values). From 1990 until present rainfall returned to levels slightly below the 1898–1993 average, but year-to-year variability was high. |
| Date | |
| Source | Own work, based on JISAO data |
| Author | Benedikt.Seidl |
| Permission (Reusing this file) |
Image:Sahel rainfall timeseries.gif, Image:Sahel rainfall timeseries de.svg |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:19, 23 December 2019 | | 630 × 270 (25 KB) | Rainald62 | updated, moved title to top, added observational region as defined by the index, added units, changed bar graph to scatter plot (de-emphasizing the arbitrary zero level), added smoothed data as line (7-point cosine kernel). |
| 19:06, 1 July 2008 |  | 706 × 322 (48 KB) | Bender235 | {{Information |Description={{en|1=More than a century of rainfall data in the Sahel show an unusually wet period from 1950 until 1970 (positive index values), followed by extremely dry years from 1970 to 1990 (negative index values). From 1990 until prese |
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