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Authors: | Capasso, Giorgio* Di Martino, Roberto M. R.* Camarda, Marco* Prano, Vincenzo* |
Title: | Dissolved Carbon in Groundwater versus Gas Emissions from the Soil: The Two Sides of the Same Coin | Journal: | Procedia Earth and Planetary Science | Series/Report no.: | /17 (2017) | Publisher: | Elsevier | Issue Date: | 2017 | DOI: | 10.1016/j.proeps.2016.12.021 | Keywords: | Soil CO2 flux Dissolved gases Isotope composition of CO2 Groundwaters Vulcano Island |
Subject Classification: | 03.02. Hydrology 04.08. Volcanology |
Abstract: | This study focuses on the interaction among deep volcanic/hydrothermal gases, groundwater and soil gases at Vulcano Island (Aeolian Archipelago, Italy). The chemical-physical parameters of the groundwater, the total dissolved inorganic carbon (TDIC) and the isotopic composition of the CO2 dissolved in groundwater are reported and discussed. Furthermore, a comparison between soil gases and groundwater indicates that groundwater and soil gases show the same qualitative information, giving a good overall picture of the main degassing zones of a volcanic system, whereas the soil gas discharge provides an evaluation of the mass released by the deep feeding system. This approach can be a useful tool both to characterize mixing and/or interaction processes among different sources and for a monitoring of degassing activity of a volcanic system. |
Appears in Collections: | Article published / in press |
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