A macroscale hydrogeological numerical model of the Suio hydrothermal system (central Italy)

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1155/2019/5485068.

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Authors

Michele Saroli, Matteo Albano , Gaspare Giovinco, Anna Casale, Marco Dell'Isola, Michele Lancia, Marco Petitta

Abstract

The complex behaviour of the Suio hydrothermal system (central Italy) and its potential exploitation as a renewable energy source are still unclear. To quantitatively evaluate the geothermal resource, the Suio hydrothermal system has been investigated with a hydrogeological numerical model that couples fluid flow, thermal convection, and transport of diluted species inside a hybrid continuum-discrete medium. The numerical model, calibrated and validated with available and new experimental data, unveiled the complex behaviour of the hydrothermal system. The normal tectonic displacements, the fracturing of the karst hydrostructure, and the aquitard distribution, strongly influence the hydrothermal basin. In particular, a dual fluid circulation, sustained by steady-state thermal and pressure gradients, modulates the hydrothermalism at the several springs and wells. The presence of a medium to a low-temperature reservoir allows for potential exploitation of the geothermal resource.

DOI

https://doi.org/10.31223/osf.io/3zqjs

Subjects

Earth Sciences, Environmental Sciences, Geochemistry, Geology, Natural Resources and Conservation, Physical Sciences and Mathematics, Water Resource Management

Keywords

temperature, Numerical Model, Hydrotermal system, Suio

Dates

Published: 2019-04-01 08:48

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License

GNU Lesser General Public License (LGPL) 2.1

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