Articles | Volume 25, issue 12
Hydrol. Earth Syst. Sci., 25, 6261–6281, 2021
Hydrol. Earth Syst. Sci., 25, 6261–6281, 2021

Research article 13 Dec 2021

Research article | 13 Dec 2021

Identification of the contributing area to river discharge during low-flow periods

Maxime Gillet et al.

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Cited articles

Ali, G. A., Roy, A. G., Turmel, M.-C., and Courchesne, F.: Source-to-stream connectivity assessment through end-member mixing analysis, J. Hydrol., 392, 119–135,, 2010. a, b, c
Appelo, C. and Postma, D.: Geochemistry, Groundwater and Pollution 2nd Edition, Leidon,, 2005. a, b, c, d
Arnaud, F.: Analyse structurale et thermo-barométrique d'un système de chevauchements varisque : les cévènnes centrales (massif central français). Microstructures et mécanismes de déformation dans les zones de cisaillement schisteuses, PhD thesis, Orléans, 1999. a, b, c
Arnaud, F., Boullier, A. M., and Burg, J. P.: Shear structures and microstructures in micaschists: The Variscan Cévennes duplex (French Massif Central), J. Struct. Geol., 26, 855–868,, 2004. a
Aubé, D.: Etat des connaissances sur les effets du changement climatique dans le domaine de l'eau, Agence de l'eau Rhône Méditerranée, Corse, 1–36, 2017. a
Short summary
This paper aims at identifying the key reservoirs sustaining river low flow during dry summer. The reservoirs are discriminated based on the geological nature of the formations and the geochemical signature of groundwater. Results show the increasing importance to low-flow support of a specific reservoir, showing only a limited outcrop area and becoming preponderant in the heart of the dry season. This finding will contribute to improving the protective measures for preserving low flows.