Subsurface thermal conductivity assessment in Calabria (southern Italy): a regional case study

作者: Eloisa Di Sipio , Antonio Galgaro , Elisa Destro , Giordano Teza , Sergio Chiesa

DOI: 10.1007/S12665-014-3277-7

关键词: International literatureEnvironmental engineering scienceLocal scalePetroleum engineeringSequence stratigraphyHydrologyGeothermal gradientGeologyKey issuesMatlab toolboxThermal conductivity

摘要: Determining the suitability of a local area at regional or scale for geothermal application low enthalpy systems requires knowledge rock thermal conductivity values to evaluate possibility low-enthalpy heat exchange. A digital cartographic tool is also needed synthesize properties underground. This should be easily accessible and upgradeable thus suitable territorial planning environmental control. In order address these key issues, methodological approach was developed within framework national VIGOR Project, dedicated evaluating potential in southern Italy. this paper region Calabria selected as case study. Around 70 samples that were representative main geological formations collected from all over area. Thermal property tests carried out both dry wet conditions, using device accordance with modified transient plane source method. The then compared data international literature. consider influence entire stratigraphic sequence on parameters, geostatistical analysis available lithostratigraphic performed MATLAB toolbox Modalstrata, specially purpose. comprehensive subsurface characterization obtained.

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