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The geothermal resources of Vulcano Island (Aeolian archipelago, Italy).

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Title: The geothermal resources of Vulcano Island (Aeolian archipelago, Italy).
Authors: Marini, L.1 (AUTHOR), Vespasiano, G.1,2 (AUTHOR) giovanni.vespasiano@unical.it, De Rosa, R.2 (AUTHOR), Viccaro, M.3,4 (AUTHOR), Principe, C.4,5 (AUTHOR), Bloise, A.1,2 (AUTHOR) andrea.bloise@unical.it, Fuoco, I.2,6 (AUTHOR), Lelli, M.4,5 (AUTHOR), La Russa, M.F.2 (AUTHOR), Caruso, C.G.4 (AUTHOR), Gattuso, A.4 (AUTHOR), Lazzaro, G.4 (AUTHOR), Longo, M.4 (AUTHOR), Guido, A.2 (AUTHOR), Muto, F.2 (AUTHOR), Russo, L.2 (AUTHOR), Ciniglia, F.2 (AUTHOR), Tsegaye, A.A.2 (AUTHOR), Apollaro, C.2 (AUTHOR)
Source: Renewable Energy: An International Journal. Nov2025, Vol. 253, pN.PAG-N.PAG. 1p.
Subject Terms: *Geothermal resources, *Aquifers, *Volcanology, Geophysical observations, Geology databases, Analytical geochemistry
Geographic Terms: Vulcano Island (Italy), Italy
Abstract: We evaluated the geothermal resources of Vulcano Island considering the available geological, geochemical, and geophysical information in the framework of the conceptual model of La Fossa magmatic-geothermal system. Having ascertained that the shallow groundwaters of the Vulcano Porto plain are heated by geothermal steam and gases and are not directly impacted by magmatic fluids, we have adopted the P CO2 and temperature distribution in these shallow groundwaters to delimit the areal extension of the underlying geothermal aquifer, which is 0.777 km2 and 0.752 km2 based on the P CO2 and temperature maps respectively, in agreement with the area from MT data, 0.7 km2. The revised volume method was used considering the specific productivity of liquid-dominated geothermal systems, 40 t ⋅ h−1 ⋅ km−3, and assuming that the geothermal aquifer has a thickness of 2.8 km and a temperature of 200–275 °C. The hourly production rate of geothermal fluids resulted to be in the range 84.2–87.0 t ⋅ h−1, while the extractable thermal and electrical powers turned out to be 25 ± 6(1σ) MWt and 8.3 ± 2.0 MWe, respectively. Drilling of one or two production wells and one reinjection well (depth in the order of 1.5–2.0 km) could be therefore a suitable technical solution. [ABSTRACT FROM AUTHOR]
Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The geothermal resources of Vulcano Island (Aeolian archipelago, Italy).
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  Data: <searchLink fieldCode="AR" term="%22Marini%2C+L%2E%22">Marini, L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vespasiano%2C+G%2E%22">Vespasiano, G.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> giovanni.vespasiano@unical.it</i><br /><searchLink fieldCode="AR" term="%22De+Rosa%2C+R%2E%22">De Rosa, R.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Viccaro%2C+M%2E%22">Viccaro, M.</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Principe%2C+C%2E%22">Principe, C.</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bloise%2C+A%2E%22">Bloise, A.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> andrea.bloise@unical.it</i><br /><searchLink fieldCode="AR" term="%22Fuoco%2C+I%2E%22">Fuoco, I.</searchLink><relatesTo>2,6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lelli%2C+M%2E%22">Lelli, M.</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22La+Russa%2C+M%2EF%2E%22">La Russa, M.F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Caruso%2C+C%2EG%2E%22">Caruso, C.G.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gattuso%2C+A%2E%22">Gattuso, A.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lazzaro%2C+G%2E%22">Lazzaro, G.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Longo%2C+M%2E%22">Longo, M.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Guido%2C+A%2E%22">Guido, A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Muto%2C+F%2E%22">Muto, F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Russo%2C+L%2E%22">Russo, L.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ciniglia%2C+F%2E%22">Ciniglia, F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsegaye%2C+A%2EA%2E%22">Tsegaye, A.A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Apollaro%2C+C%2E%22">Apollaro, C.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Renewable+Energy%3A+An+International+Journal%22">Renewable Energy: An International Journal</searchLink>. Nov2025, Vol. 253, pN.PAG-N.PAG. 1p.
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  Data: *<searchLink fieldCode="DE" term="%22Geothermal+resources%22">Geothermal resources</searchLink><br />*<searchLink fieldCode="DE" term="%22Aquifers%22">Aquifers</searchLink><br />*<searchLink fieldCode="DE" term="%22Volcanology%22">Volcanology</searchLink><br /><searchLink fieldCode="DE" term="%22Geophysical+observations%22">Geophysical observations</searchLink><br /><searchLink fieldCode="DE" term="%22Geology+databases%22">Geology databases</searchLink><br /><searchLink fieldCode="DE" term="%22Analytical+geochemistry%22">Analytical geochemistry</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Vulcano+Island+%28Italy%29%22">Vulcano Island (Italy)</searchLink><br /><searchLink fieldCode="DE" term="%22Italy%22">Italy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We evaluated the geothermal resources of Vulcano Island considering the available geological, geochemical, and geophysical information in the framework of the conceptual model of La Fossa magmatic-geothermal system. Having ascertained that the shallow groundwaters of the Vulcano Porto plain are heated by geothermal steam and gases and are not directly impacted by magmatic fluids, we have adopted the P CO2 and temperature distribution in these shallow groundwaters to delimit the areal extension of the underlying geothermal aquifer, which is 0.777 km2 and 0.752 km2 based on the P CO2 and temperature maps respectively, in agreement with the area from MT data, 0.7 km2. The revised volume method was used considering the specific productivity of liquid-dominated geothermal systems, 40 t ⋅ h−1 ⋅ km−3, and assuming that the geothermal aquifer has a thickness of 2.8 km and a temperature of 200–275 °C. The hourly production rate of geothermal fluids resulted to be in the range 84.2–87.0 t ⋅ h−1, while the extractable thermal and electrical powers turned out to be 25 ± 6(1σ) MWt and 8.3 ± 2.0 MWe, respectively. Drilling of one or two production wells and one reinjection well (depth in the order of 1.5–2.0 km) could be therefore a suitable technical solution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Renewable Energy: An International Journal is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.renene.2025.123622
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Geothermal resources
        Type: general
      – SubjectFull: Aquifers
        Type: general
      – SubjectFull: Volcanology
        Type: general
      – SubjectFull: Geophysical observations
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      – SubjectFull: Geology databases
        Type: general
      – SubjectFull: Analytical geochemistry
        Type: general
      – SubjectFull: Vulcano Island (Italy)
        Type: general
      – SubjectFull: Italy
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