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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/hessd-12-10109-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
02 Oct 2015
Review status
This discussion paper is a preprint. A revision of the manuscript for further review has not been submitted.
Impact of climate change on groundwater in a confined Mediterranean aquifer
Y. Caballero and B. Ladouche BRGM, Water Environment and Ecotechnologies Division, 1039 rue de Pinville, 34000, Montpellier, France
Abstract. This paper presents an inverse modeling method based on wavelet analysis, devoted to assessment of the impacts of climate change on the groundwater resources of a confined coastal multi-layer aquifer, located in the south of France (Pyrénées-Orientales). The hydraulic behavior of the aquifer is described based on the results of a model calibrated to simulate the groundwater dynamics observed on two representative piezometers. The relative contributions of the climate and pumping forcings to the piezometric variations are quantified. The results illustrate in quantitative terms the dominant influence of pumping on the temporal variations of the hydraulic head of the aquifer. Based on this specific behavior simulation, we show the moderate vulnerability of such confined aquifers to climate change. Some insights regarding pumping strategies for confined coastal aquifers that could contribute towards preserving their good status in future are also provided.

Citation: Caballero, Y. and Ladouche, B.: Impact of climate change on groundwater in a confined Mediterranean aquifer, Hydrol. Earth Syst. Sci. Discuss., 12, 10109-10156, https://doi.org/10.5194/hessd-12-10109-2015, 2015.
Y. Caballero and B. Ladouche
Y. Caballero and B. Ladouche

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