Articles | Volume 385
https://doi.org/10.5194/piahs-385-393-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-385-393-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Post-conference publication
| 
19 Apr 2024
Post-conference publication |
| 19 Apr 2024
| 19 Apr 2024
Multidisciplinary approach to understand the salinization of fractured crystalline aquifers in semi-arid region
Marjorie Beate Kreis
CORRESPONDING AUTHOR
Doctoral School GAIA ED 584, University of Montpellier, Montpellier, France
Dep. of Civil Engineering, Federal Univ. of Ceará, Fortaleza, Brazil
HSM, Univ Montpellier, CNRS, IRD, Montpellier, France
Research Institute of Meteorology and Water Resources (FUNCEME), Fortaleza CE, Brazil
Jean-Denis Taupin
HSM, Univ Montpellier, CNRS, IRD, Montpellier, France
Nicolas Patris
HSM, Univ Montpellier, CNRS, IRD, Montpellier, France
Patrick Lachassagne
HSM, Univ Montpellier, CNRS, IRD, Montpellier, France
Virginie Vergnaud-Ayraud
Geosciences Rennes, Univ. Rennes, CNRS, OSUR- Plateforme Condate Eau, Rennes, France
Julien Daniel Pierre Burte
G-EAU, AgroParisTech, CIRAD, IRD, INRAE, Montpellier SupAgro, Montpellier, France
Christian Leduc
G-EAU, AgroParisTech, CIRAD, IRD, INRAE, Montpellier SupAgro, Montpellier, France
Eduardo Sávio Passos Rodrigues Martins
Research Institute of Meteorology and Water Resources (FUNCEME), Fortaleza CE, Brazil
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Short summary
This study used hydrodynamic and hydrogeochemical data to understand the salinization processes of the crystalline groundwater (GW) in Ceará, Brazil. Results demonstrate that GW is generally recent and recharged by meteoric waters mainly through localized infiltration. The study suggests that GW, originally bicarbonated, becomes progressively enriched in chloride due to the dissolution and leaching of salts that have precipitated in the unsaturated zone and pond sediments during dryer periods.
This study used hydrodynamic and hydrogeochemical data to understand the salinization processes...
