A 6400 m³ on-farm storage basin was built along a wadi in pre-Saharan Morocco to store floodwater for date palm irrigation. Its effect on the water table is confirmed by monitoring surface and groundwater levels and modeling the spatiotemporal variability of the recorded flood-induced piezometric mound. We show that beneficial replenishment of the water table is localized (radius < 360 m) and decreases over time due to the basin siltation reducing its storage capacity and permeability.

We present the results of a large visual inspection campaign of 674 streamflow time series in France. The objective was to detect non-natural records resulting from instrument failure or anthropogenic influences, such as hydroelectric power generation or reservoir management. We conclude that the identification of flaws in flow time series is highly dependent on the objectives and skills of individual evaluators, and we raise the need for better practices for data cleaning.

We studied the impact of occasional saltwater intrusions into the karst aquifer of the Balaruc peninsula (France). Using hydrogeological and geochemical data, this study shows that the hydraulic impact on the aquifer is rapid and of regional extent, whereas the geochemical impact is observed at the local scale and is temporally persistent. This research supports groundwater management by providing a better understanding of the hydrodynamics and recovery of the aquifer after saltwater intrusions.