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. 2017 Oct 25;7:14045. doi: 10.1038/s41598-017-14283-2

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Mean six month seasonal anomaly averaged across Europe for reference evapotranspiration (A) and its constituents: (B) daily T _Mean, (C) wind speed, and (D) T _Max − T _Min. Historical data are shown in red (WFD) and blue (WFDEI). No bias correction is included to highlight differences between WFD and WFDEI. Long term trends are shown as a dotted line, with significant trends as a solid, black overlay. A grey bar at the bottom shows the reference period.