Impact of rainfall variability on sedimentary and hydropower dynamics in a dam reservoir of southern France

Hazet, Paul; Foucher, Anthony; Evrard, Olivier; Quesada, Benjamin

doi:10.5194/hess-29-6461-2025

Articles | Volume 29, issue 22

https://doi.org/10.5194/hess-29-6461-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/hess-29-6461-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 29, issue 22

Research article

|

19 Nov 2025

Research article |

| 19 Nov 2025

Impact of rainfall variability on sedimentary and hydropower dynamics in a dam reservoir of southern France

Paul Hazet, Anthony Foucher, Olivier Evrard, and Benjamin Quesada

Related authors

CAMELS-COL: A Large-Sample Hydrometeorological Dataset for Colombia

David A. Jimenez, Julian E. Meneses, Pedro H. Bernardes Solha, Alvaro Avila-Diaz, Benjamin Quesada, Bruno Melo Brentan, and André Ferreira Rodrigues

Earth Syst. Sci. Data Discuss., https://doi.org/10.5194/essd-2025-200,https://doi.org/10.5194/essd-2025-200, 2025

Preprint under review for ESSD

Short summary

Distribution and sources of fallout ¹³⁷Cs and ^239+240Pu in equatorial and Southern Hemisphere reference soils

Gerald Dicen, Floriane Guillevic, Surya Gupta, Pierre-Alexis Chaboche, Katrin Meusburger, Pierre Sabatier, Olivier Evrard, and Christine Alewell

Earth Syst. Sci. Data, 17, 1529–1549, https://doi.org/10.5194/essd-17-1529-2025,https://doi.org/10.5194/essd-17-1529-2025, 2025

Short summary

Sensitivity of source sediment fingerprinting to tracer selection methods

Thomas Chalaux-Clergue, Rémi Bizeul, Pedro V. G. Batista, Núria Martínez-Carreras, J. Patrick Laceby, and Olivier Evrard

SOIL, 10, 109–138, https://doi.org/10.5194/soil-10-109-2024,https://doi.org/10.5194/soil-10-109-2024, 2024

Short summary

El Niño–Southern Oscillation (ENSO)-driven hypersedimentation in the Poechos Reservoir, northern Peru

Anthony Foucher, Sergio Morera, Michael Sanchez, Jhon Orrillo, and Olivier Evrard

Hydrol. Earth Syst. Sci., 27, 3191–3204, https://doi.org/10.5194/hess-27-3191-2023,https://doi.org/10.5194/hess-27-3191-2023, 2023

Short summary

Research and management challenges following soil and landscape decontamination at the onset of the reopening of the Difficult-to-Return Zone, Fukushima (Japan)

Olivier Evrard, Thomas Chalaux-Clergue, Pierre-Alexis Chaboche, Yoshifumi Wakiyama, and Yves Thiry

SOIL, 9, 479–497, https://doi.org/10.5194/soil-9-479-2023,https://doi.org/10.5194/soil-9-479-2023, 2023

Short summary

Spatial variability of Saharan dust deposition revealed through a citizen science campaign

Marie Dumont, Simon Gascoin, Marion Réveillet, Didier Voisin, François Tuzet, Laurent Arnaud, Mylène Bonnefoy, Montse Bacardit Peñarroya, Carlo Carmagnola, Alexandre Deguine, Aurélie Diacre, Lukas Dürr, Olivier Evrard, Firmin Fontaine, Amaury Frankl, Mathieu Fructus, Laure Gandois, Isabelle Gouttevin, Abdelfateh Gherab, Pascal Hagenmuller, Sophia Hansson, Hervé Herbin, Béatrice Josse, Bruno Jourdain, Irene Lefevre, Gaël Le Roux, Quentin Libois, Lucie Liger, Samuel Morin, Denis Petitprez, Alvaro Robledano, Martin Schneebeli, Pascal Salze, Delphine Six, Emmanuel Thibert, Jürg Trachsel, Matthieu Vernay, Léo Viallon-Galinier, and Céline Voiron

Earth Syst. Sci. Data, 15, 3075–3094, https://doi.org/10.5194/essd-15-3075-2023,https://doi.org/10.5194/essd-15-3075-2023, 2023

Short summary

Escherichia coli concentration, multiscale monitoring over the decade 2011–2021 in the Mekong River basin, Lao PDR

Laurie Boithias, Olivier Ribolzi, Emma Rochelle-Newall, Chanthanousone Thammahacksa, Paty Nakhle, Bounsamay Soulileuth, Anne Pando-Bahuon, Keooudone Latsachack, Norbert Silvera, Phabvilay Sounyafong, Khampaseuth Xayyathip, Rosalie Zimmermann, Sayaphet Rattanavong, Priscia Oliva, Thomas Pommier, Olivier Evrard, Sylvain Huon, Jean Causse, Thierry Henry-des-Tureaux, Oloth Sengtaheuanghoung, Nivong Sipaseuth, and Alain Pierret

Earth Syst. Sci. Data, 14, 2883–2894, https://doi.org/10.5194/essd-14-2883-2022,https://doi.org/10.5194/essd-14-2883-2022, 2022

Short summary

Combining colour parameters and geochemical tracers to improve sediment source discrimination in a mining catchment (New Caledonia, South Pacific Islands)

Virginie Sellier, Oldrich Navratil, John Patrick Laceby, Cédric Legout, Anthony Foucher, Michel Allenbach, Irène Lefèvre, and Olivier Evrard

SOIL, 7, 743–766, https://doi.org/10.5194/soil-7-743-2021,https://doi.org/10.5194/soil-7-743-2021, 2021

Short summary

Radionuclide contamination in flood sediment deposits in the coastal rivers draining the main radioactive pollution plume of Fukushima Prefecture, Japan (2011–2020)

Olivier Evrard, Caroline Chartin, J. Patrick Laceby, Yuichi Onda, Yoshifumi Wakiyama, Atsushi Nakao, Olivier Cerdan, Hugo Lepage, Hugo Jaegler, Rosalie Vandromme, Irène Lefèvre, and Philippe Bonté

Earth Syst. Sci. Data, 13, 2555–2560, https://doi.org/10.5194/essd-13-2555-2021,https://doi.org/10.5194/essd-13-2555-2021, 2021

Short summary

Cited articles

Abdelwahab, O. M. M., Ricci, G. F., Gentile, F., and De Girolamo, A. M.: Modelling the impact of climate change on runoff and sediment yield in Mediterranean basins: the Carapelle case study (Apulia, Italy), Frontiers in Water, 7, 1486644, https://doi.org/10.3389/frwa.2025.1486644, 2025. a

Allen, P., Harmel, R., Dunbar, J., and Arnold, J.: Upland contribution of sediment and runoff during extreme drought: A study of the 1947–1956 drought in the Blackland Prairie, Texas, Journal of Hydrology, 407, 1–11, https://doi.org/10.1016/j.jhydrol.2011.04.039, 2011. a

Anghileri, D., Botter, M., Castelletti, A., Weigt, H., and Burlando, P.: A Comparative Assessment of the Impact of Climate Change and Energy Policies on Alpine Hydropower, Water Resources Research, 54, 9144–9161, https://doi.org/10.1029/2017WR022289, 2018. a

Anjum, R., Tang, Q., Collins, A. L., Gao, J., Long, Y., Zhang, X., He, X., Shi, Z., Wen, A., and Wei, J.: Sedimentary chronology reinterpreted from Changshou Lake of the Three Gorges Reservoir Area reveals natural and anthropogenic controls on sediment production, Environmental Science and Pollution Research, 25, 17620–17633, https://doi.org/10.1007/s11356-018-1916-3, 2018. a

Appleby, P. and Oldfield, F.: The calculation of lead-210 dates assuming a constant rate of supply of unsupported ²¹⁰Pb to the sediment, CATENA, 5, 1–8, https://doi.org/10.1016/S0341-8162(78)80002-2, 1978. a