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939019.pdf (15.72 MB)

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2026

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cc-by (c) Urruela, A. et al., 2026
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/230858

Coupled Use of Drone Imagery and Geophysical Methods for the Characterization of Horizontal Subsurface Flow Constructed Wetlands

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Recurs relacionat

https://doi.org/10.3390/geomatics6030069

Resum

The growing need for sustainable wastewater treatment highlights the importance of low-energy solutions such as horizontal subsurface flow constructed wetlands (HSSF CWs). While effective, these systems often face clogging issues that reduce performance and lifespan. This study investigates clogging dynamics in a Water Treatment Plant (Lleida, Spain) using a multidisciplinary approach. Non-invasive geophysical methods such as Electrical Resistivity Tomography (ERT) and Induced Polarization (IP) were combined with high-resolution drone imagery to characterize surface and subsurface indicators of clogging. Drone data captured surface anomalies, while geophysical measurements revealed subsurface obstructions. The integrated analysis identifies clogged zones and shows a strong spatial correlation between surface features and geophysical anomalies. These results validate the use of drone imagery as a rapid, non-invasive diagnostic tool and demonstrate the effectiveness of combining remote sensing with geophysical techniques for wetland assessment. This approach supports improved monitoring, targeted maintenance, and optimized long-term performance of HSSF CWs.

Matèries

Teledetecció, Conservació de les zones humides, Geofísica

Matèries (anglès)

Remote sensing, Wetland conservation, Geophysics

Citació

Col·leccions

Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)

Citació

URRUELA, Aritz, et al. Coupled Use of Drone Imagery and Geophysical Methods for the Characterization of Horizontal Subsurface Flow Constructed Wetlands. Geomatics. 2026. Vol. 6, num. 3. [consulted: 21 of August of 2026]. Available at: https://hdl.handle.net/2445/230858

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