Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 30, issue 3
Articles | Volume 30, issue 3
https://doi.org/10.5194/hess-30-877-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-30-877-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 30, issue 3
Research article
 | 
13 Feb 2026
Research article |  | 13 Feb 2026

Mapping water content dynamics in SAT systems using 3D electrical tomography

Lurdes Martinez-Landa, Jesús Carrera, Juan José Ledo, Perla Piña-Varas, Paola Sepúlveda-Ruiz, Montserrat Folch, and Cristina Valhondo

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Short summary
This paper explores  how recharge strategies and the reactive barrier affect water infiltration, retention, and biofilm dinamics in a pilot-scale Soil Aquifer Treatment (SAT) system. We combine Electrical resistivity tomography (ERT) imaging with field measurements (water content, temperature, oxygen) in the unsaturated zone, to link to biofilm and plant dynamics. This integrated approach provides insights into balancing microbial treatment benefits with hydrogeological impacts and system longevity.
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