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Ms. Martina Gizzi
Politecnico di Torino

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0 geothermal energy
0 Geothermal systems
0 Closed-loop systems
0 Open-loop systems
0 Hydrocarbon wells

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Original article
Published: 19 March 2021 in Environmental Earth Sciences
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Mountain springs represent one of the largest and most precious sources of potable water in Italy, necessary to meet the water needs of the population. Optimizing the present and future management strategies of mountain groundwater resources has become increasingly necessary. The accuracy and frequency of the flow rate (Q) measurements determine and restrict the processes that can be studied using spring hydrograph and recession curve analysis. Therefore, to properly define mountain aquifers’ hydrogeological properties, it turns out important to highlight the variation of the error in the estimation of the hydrogeological parameters as the time interval of sampling varies. In this paper, recession curve analysis was performed on two different mountain springs (Spring 1 and Spring 2) of north-western Italy, firstly considering available 4-h resolution measuring data and subsequently by resampling data to simulate longer sampling intervals of 1, 3, 7, 15, and 30 days. The resulting distribution of errors introduced by longer acquisition intervals underlined how the percentage error increases with increasing acquisition interval. For obtaining an adequate estimation of mountain aquifer hydrodynamic parameters, in place of continuous hourly data, 1-day and 3-day sampling intervals with associated errors respectively lower than 5% and 10% were found to be valid.

ACS Style

Elena Cerino Abdin; Glenda Taddia; Martina Gizzi; Stefano Lo Russo. Reliability of spring recession curve analysis as a function of the temporal resolution of the monitoring dataset. Environmental Earth Sciences 2021, 80, 1 -12.

AMA Style

Elena Cerino Abdin, Glenda Taddia, Martina Gizzi, Stefano Lo Russo. Reliability of spring recession curve analysis as a function of the temporal resolution of the monitoring dataset. Environmental Earth Sciences. 2021; 80 (7):1-12.

Chicago/Turabian Style

Elena Cerino Abdin; Glenda Taddia; Martina Gizzi; Stefano Lo Russo. 2021. "Reliability of spring recession curve analysis as a function of the temporal resolution of the monitoring dataset." Environmental Earth Sciences 80, no. 7: 1-12.

Preprint content
Published: 10 March 2021
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It has become increasingly necessary to optimise mountain groundwater resource management and comprehend resource recharging systems from a hydrogeological perspective in order to formulate adequate resource protection strategies. Analysing mountain spring behaviour and aquifer characteristics can be time consuming, so new automated techniques and software tools are needed to estimate hydrogeological parameters and understand exhaustion dynamics of groundwater resources. This paper introduces SOURCE, a new semi-automatic tool that automates the hydrogeological characterisation of water springs and provides proper estimations of the vulnerability index, as well as autocorrelation and cross-correlation statistical coefficients. SOURCE rapidly processed input data from the Mascognaz 1 spring (Aosta Valley) water probes and meteorological station to provide graphical outputs and values for the main hydrodynamic parameters. Having a single software package that contains all the main methods of water spring analysis could potentially reduce analysis times from a few days to a few hours.

ACS Style

Stefano Lo Russo; Enrico Suozzi; Martina Gizzi; Glenda Taddia. SOURCE: A Semi-automatic Tool for Spring Monitoring Data Analysis and Aquifer Characterization. 2021, 1 .

AMA Style

Stefano Lo Russo, Enrico Suozzi, Martina Gizzi, Glenda Taddia. SOURCE: A Semi-automatic Tool for Spring Monitoring Data Analysis and Aquifer Characterization. . 2021; ():1.

Chicago/Turabian Style

Stefano Lo Russo; Enrico Suozzi; Martina Gizzi; Glenda Taddia. 2021. "SOURCE: A Semi-automatic Tool for Spring Monitoring Data Analysis and Aquifer Characterization." , no. : 1.

Journal article
Published: 09 March 2021 in Applied Sciences
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Geological and geophysical exploration campaigns have ascertained the coexistence of low to medium-temperature geothermal energy resources in the deepest regions of Italian sedimentary basins. As such, energy production based on the exploitation of available geothermal resources associated with disused deep oil and gas wells in Italian oilfields could represent a considerable source of renewable energy. This study used information available on Italian hydrocarbon wells and on-field temperatures to apply a simplified closed-loop coaxial Wellbore Heat Exchanger (WBHE) model to three different hydrocarbon wells located in different Italian oilfields (Villafortuna-Trecate, Val d’Agri field, Gela fields). From this study, the authors have highlighted the differences in the quantity of potentially extracted thermal energy from different analysed wells. Considering the maximum extracted working fluid temperature of 100 °C and imagining a cascading exploitation mode of the heat accumulated, for Villafortuna 1 WBHE was it possible to hypothesise a multi-variant and comprehensive use of the resource. This could be done using existing infrastructure, available technologies, and current knowledge.

ACS Style

Martina Gizzi; Glenda Taddia; Stefano Lo Russo. Reuse of Decommissioned Hydrocarbon Wells in Italian Oilfields by Means of a Closed-Loop Geothermal System. Applied Sciences 2021, 11, 2411 .

AMA Style

Martina Gizzi, Glenda Taddia, Stefano Lo Russo. Reuse of Decommissioned Hydrocarbon Wells in Italian Oilfields by Means of a Closed-Loop Geothermal System. Applied Sciences. 2021; 11 (5):2411.

Chicago/Turabian Style

Martina Gizzi; Glenda Taddia; Stefano Lo Russo. 2021. "Reuse of Decommissioned Hydrocarbon Wells in Italian Oilfields by Means of a Closed-Loop Geothermal System." Applied Sciences 11, no. 5: 2411.

Journal article
Published: 27 April 2020 in Geofluids
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Thermal perturbation produced in the subsurface by open-loop groundwater heat pump systems (GWHPs) must be predicted and constantly controlled, especially in the shallow aquifers of more densely urbanized areas, in order to guarantee plants’ long-term sustainable use and to avoid adverse effects on adjacent geothermal systems. Transient conditions in the flow dynamic can be successfully modelled by means of numerical modelling tools. However, for small plants in suitable hydrogeological systems, an alternative tool for predicting the thermally affected zone (TAZ) around the injection well can be found in analytical solutions for steady advective transport in a shallow aquifer. The validity of using steady analytical solutions to predict the TAZ development at the end of two different cooling seasons (2010 and 2016) was tested in the Politecnico di Torino GWHP system (NW Italy). When fixing the constant thermal difference (ΔT) between the injection and abstraction wells at 5°C, results revealed that a rather reliable assessment of the TAZ of Politecnico di Torino GWHPs, in Turin shallow aquifer, can be performed by plotting the cumulative distribution function of the injected discharge rate (Q) and setting 63% as a steady value.

ACS Style

Martina Gizzi; Glenda Taddia; Elena Cerino Abdin; Stefano Lo Russo. Thermally Affected Zone (TAZ) Assessment in Open-Loop Low-Enthalpy Groundwater Heat Pump Systems (GWHPs): Potential of Analytical Solutions. Geofluids 2020, 2020, 1 -13.

AMA Style

Martina Gizzi, Glenda Taddia, Elena Cerino Abdin, Stefano Lo Russo. Thermally Affected Zone (TAZ) Assessment in Open-Loop Low-Enthalpy Groundwater Heat Pump Systems (GWHPs): Potential of Analytical Solutions. Geofluids. 2020; 2020 ():1-13.

Chicago/Turabian Style

Martina Gizzi; Glenda Taddia; Elena Cerino Abdin; Stefano Lo Russo. 2020. "Thermally Affected Zone (TAZ) Assessment in Open-Loop Low-Enthalpy Groundwater Heat Pump Systems (GWHPs): Potential of Analytical Solutions." Geofluids 2020, no. : 1-13.