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A Seismic Monitoring Tool for Tidal-Forced Aquifer Level Changes in the Río de la Plata Coastal Plain, Argentina

Author

Listed:
  • Luciano Galone

    (Department of Geosciences, University of Malta, MSD 2080 Msida, Malta)

  • Francesco Panzera

    (Biological, Geological and Environmental Sciences Department, University of Catania, 95129 Catania, Italy)

  • Emanuele Colica

    (Department of Geosciences, University of Malta, MSD 2080 Msida, Malta
    Research and Planning Unit, Public Works Department, Ministry for Public Works and Planning, FRN 1700 Floriana, Malta)

  • Enrique Fucks

    (Facultad de Ciencias Naturales y Museo, National University of La Plata, La Plata 1900, Argentina
    Centro de Estudios Integrales de la Dinámica Exógena, National University of La Plata (CEIDE-CIC-UNLP), La Plata 1900, Argentina)

  • Eleonora Carol

    (Facultad de Ciencias Naturales y Museo, National University of La Plata, La Plata 1900, Argentina
    Centro de Investigaciones Geológicas, Consejo Nacional de Investigaciones Científicas y Técnicas, National University of La Plata (CIG-CONICET-UNLP), La Plata 1900, Argentina)

  • Francisco Cellone

    (Facultad de Ciencias Naturales y Museo, National University of La Plata, La Plata 1900, Argentina
    Centro de Investigaciones del Medio Ambiente, Consejo Nacional de Investigaciones Científicas y Técnicas, National University of La Plata (CIM-CONICET-UNLP), La Plata 1900, Argentina)

  • Lluís Rivero

    (Mineralogy, Petrology and Applied Geology, Universitat de Barcelona, 08028 Barcelona, Spain
    Water Research Institute, Universitat de Barcelona, 08001 Barcelona, Spain)

  • Matthew R. Agius

    (Department of Geosciences, University of Malta, MSD 2080 Msida, Malta)

  • Sebastiano D’Amico

    (Department of Geosciences, University of Malta, MSD 2080 Msida, Malta)

Abstract

Ambient seismic noise has gained extensive applications in seismology and plays a pivotal role in environmental seismic studies. This study focuses on the Río de la Plata Coastal Plain, employing the horizontal-to-vertical spectral ratio (HVSR) method on ambient seismic noise records to analyze subsurface dynamics. The region’s hydrogeology is complex, featuring partially interconnected coastal aquifers. The HVSR analysis reveals two peaks, with P 0 associated with the sediment-basement interface and P 1 linked to a shallower stratigraphic discontinuity. Temporal analysis of P 1 highlights cyclical patterns correlated with estuarine levels, suggesting a relationship between variations in seismic velocities and tidal dynamics. Comparisons with aquifer data support the hypothesis that tidal variations influence subsurface mechanical properties, impacting the HVSR function. The study hints at the potential of ambient seismic noise analysis as a non-invasive and cost-effective method for studying coastal aquifers and understanding groundwater dynamics. Ongoing research aims to further explore these relationships for enhanced groundwater resource management.

Suggested Citation

  • Luciano Galone & Francesco Panzera & Emanuele Colica & Enrique Fucks & Eleonora Carol & Francisco Cellone & Lluís Rivero & Matthew R. Agius & Sebastiano D’Amico, 2024. "A Seismic Monitoring Tool for Tidal-Forced Aquifer Level Changes in the Río de la Plata Coastal Plain, Argentina," Sustainability, MDPI, vol. 16(4), pages 1-15, February.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:4:p:1432-:d:1335675
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