https://doi.org/10.7343/as-2024-759
A statistical approach for describing coastal karst aquifer: the case of the Salento aquifer (Southern Italy)
Submitted: 20 March 2024
Accepted: 9 September 2024
Published: 30 December 2024
Accepted: 9 September 2024
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All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.
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A time series approach was proposed to improve the knowledge of a wide coastal karst aquifer. The approach combines time series decomposition, trend, autocorrelation and cross-correlation analyses using both daily and monthly temperature, rainfall and piezometric data with different temporal characteristics. The approach merges shorter and complete daily time series (2007-2011) with long-lasting monthly times series (1965-2011) with relevant gaps. The approach was applied to the Salento aquifer (Southern Italy) to enhance the comprehensive approach of statistical tools and variables in assessing the hydrodynamic properties of karst systems. Results underscore the approach's effectiveness in describing the hydrodynamic properties of a coastal karst aquifer, unveiling the significant inertia of the investigated karst system concerning transmissivity and substantial storage capacity. Differences in memory effect and response time between daily and monthly analyses emphasise the intricate nature of the examined system and the influence of dataset quality. A long-lasting declining piezometric trend was observed as an effect of climate change and anthropic pressure.
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How to Cite
Alfio, M. R., Balacco, G., Dragone, V., & Polemio, M. (2024). A statistical approach for describing coastal karst aquifer: the case of the Salento aquifer (Southern Italy). Acque Sotterranee - Italian Journal of Groundwater, 13(4). https://doi.org/10.7343/as-2024-759
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