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. 2020 Mar 20;10:5175. doi: 10.1038/s41598-020-61533-x

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© The Author(s) 2020

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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Cumulative (CDF, (a) and complementary cumulative distribution (cCDF, (b) function for the specific discharge, obtained for each watershed (colour-coded according to the watersheds drainage area, from blue to red for increasing values). The CDF highlights the existence of ‘wetter’ catchments (i.e. 01187300 and 01109070) with greater ability to maintain soil moisture, store precipitation and thus increase the base flow. The cCDF provides a compact signature of a catchment functioning that appears to be not related to changes in watershed scale (warm and cold colours in (b) are not well separated), but rather to elements such as land-use (i.e. urban areas and agricultural lands rather than forested watersheds).