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. 2018 Aug 10;25(28):28667–28681. doi: 10.1007/s11356-018-2892-3

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© The Author(s) 2018

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.

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Fig. 6 — Relationship between the proportion of recently tagged particles and of impervious surfaces in a 5-km wide area around each monitoring station and for various hydrological regimes ((a) Low stage periods: Jan. 2016, Nov. 2016, Dec. 2016, Jun. 2015, Aug. 2016 and (b) Seasonal floods: Sept. 2015, Apr. 2016)