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doi:10.13127/etna/ecsf2002_2010 2026-03-25T14:59:18Z WNGN CRUI.INGV

2 CRUI.INGV 10.13127/ETNA/ECSF2002_2010 Liuzzo, Marco Marco Liuzzo https://orcid.org/0000-0002-3099-7505 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Giuffrida, Giovanni Bruno Giovanni Bruno Giuffrida https://orcid.org/0000-0003-3072-4088 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Gurrieri, Sergio Sergio Gurrieri https://orcid.org/0000-0003-4085-0440 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Istituto Nazionale di Geofisica e Vulcanologia (INGV) 2025 CSV files Soil CO2 Vocanic CO2 concentration Etna Geochemical monitoring Liuzzo, Marco Marco Liuzzo https://orcid.org/0000-0002-3099-7505 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Giuffrida, Giovanni Bruno Giovanni Bruno Giuffrida https://orcid.org/0000-0003-3072-4088 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Gurrieri, Sergio Sergio Gurrieri https://orcid.org/0000-0003-4085-0440 Istituto Nazionale di Geofisica e Vulcanologia (INGV) Istituto Nazionale di Geofisica e Vulcanologia (INGV) https://ror.org/00qps9a02 2002/2010 2002/2010 2025 2025 2025 2025 2025 en 10.1002/ggge.20196 10.3301/ijg.2020.25 10.1029/2007jb005003 30 MB text/csv Open Access Creative Commons Attribution 4.0 International The ETNAGAS network comprises 19 monitoring stations distributed across the flanks of Mount Etna, specifically designed for the continuous observation of soil-emitted carbon dioxide (CO₂). Each station is equipped with infrared (IR) sensors for the precise measurement of CO₂ concentrations, along with meteorological sensors that record key environmental parameters including air temperature, atmospheric pressure, wind speed and direction, and precipitation. These data enable the estimation of CO₂ soil fluxes through the application of the method proposed by Gurrieri and Valenza (1988) (see Methods for details). The ETNAGAS network represents a high-resolution geochemical surveillance system and constitutes an integral component of the national framework for monitoring volcanic gas emissions. Its primary objective is to contribute to the assessment of the volcanic activity state of Mount Etna through systematic and spatially distributed measurements of gaseous emissions. La rete ETNAGAS comprende 19 stazioni di monitoraggio distribuite sui fianchi dell'Etna, specificamente progettate per l'osservazione continua dell'anidride carbonica emessa dal suolo (CO₂). Ogni stazione è dotata di sensori a infrarossi (IR) per la misurazione precisa delle concentrazioni di CO₂, insieme a sensori meteorologici che registrano i principali parametri ambientali, tra cui la temperatura dell'aria, la pressione atmosferica, la velocità e la direzione del vento e le precipitazioni. Questi dati consentono di stimare i flussi di CO₂ nel suolo attraverso l'applicazione del metodo proposto da Gurrieri e Valenza (1988) (si veda Metodi per i dettagli). La rete ETNAGAS rappresenta un sistema di sorveglianza geochimica ad alta risoluzione e costituisce una componente integrale del quadro nazionale di monitoraggio delle emissioni di gas vulcanici. Il suo obiettivo primario è quello di contribuire alla valutazione dello stato di attività vulcanica dell'Etna attraverso misure sistematiche e spazialmente distribuite delle emissioni gassose. The monitoring stations of the ETNAGAS network were entirely developed by the Istituto Nazionale di Geofisica e Vulcanologia (INGV), Palermo section. These stations are capable of continuously measuring several environmental and geochemical parameters, including soil CO₂ concentration, atmospheric temperature, pressure, relative humidity, rainfall, wind speed, and wind direction. Data are acquired at hourly intervals and automatically transmitted to the monitoring center at INGV-Palermo. It should be noted that not all stations are equipped with the full suite of meteorological sensors. CO₂ fluxes from the soil can be derived from the recorded data using the dynamic (or dilution) method described by Gurrieri and Valenza (1988). This method is based on measuring the CO₂ content in a mixture of soil gas and atmospheric air (Cd), obtained using a probe inserted approximately 50 cm into the ground. Soil gases enter the probe through its base and are mixed with ambient air; this mixture is then pumped into an infrared (IR) spectrophotometer, which measures the CO₂ concentration. According to Gurrieri and Valenza, the measured diluted concentration (Cd) is empirically related to the actual soil CO₂ flux (ϕCO₂) through a relationship established under laboratory conditions, across a range of gas permeabilities (0.36–123 mm²) and pumping flow rates (0.4–4.0 L/min) [Camarda et al., 2006a, 2006b]. REFERENCE • Camarda, M., S. Gurrieri, and M. Valenza (2006a), CO2 flux measurements in volcanic areas using the dynamic concentration method: Influence of soil permeability, J. Geophys. Res., 111, B05202, doi:10.1029/2005JB003898. Camarda, M., S. Gurrieri, and M. Valenza (2006b), In situ permeability measurements based on a radial gas advection model: Relationships between soil permeability and diffuse CO2 degassing in volcanic areas, Pure Appl. Geophys., 163(4), 897–914, doi:10.1007/s00024-006-0045-y. • Gurrieri, S., and M. Valenza (1988), Gas transport in natural porous mediums: A method for measuring CO2 flows from the ground in volcanic and geothermal areas, Rend. Soc. Ital. Mineral. Petrol., 43, 1151–1158. • Gurrieri, S., M. Liuzzo, and G. Giudice, (2008), Continuous monitoring of soil CO2 flux on Mt. Etna: The 2004–2005 eruption and the role of regional tectonics and volcano tectonics, J. Geophys. Res., 113, B09206, doi:10.1029/2007JB005003, 2008. • Liuzzo M., Gurrieri S., Giudice G. & Giuffrida G. (2013) - Ten years of soil CO2 continuous monitoring on Mt. Etna: Exploring the relationship between processes of soil degassing and volcanic activity. Geochem. Geophys. Geosyst., 14, 2886-2899. https://doi. org/10.1002/ggge.20196 Sicily - Etna 3C 37.6086 15.0822 Agro 37.5336 14.8989 Albano 37.7253 14.9422 brunek 37.8081 15.0742 Maletto 37.7936 14.8997 msm1 37.8258 14.9836 P78 37.6953 15.1433 Parcoetna 37.6306 15.0231 Roccacampana2 37.8003 15.1369 SML1 37.6569 14.9208 SML2 37.6636 14.905 SV1 37.6967 15.1353 Fondachello 37.7706 15.2167 Passop 37.8669 15.0456 Primoti 37.7021 15.118 Ripenaca 37.7625 15.0975 P39 37.5493 14.8837 N1 37.3248 14.6971 N2 37.3391 14.7172 Presidenza del Consiglio dei Ministri - Dipartimento della Protezione Civile (DPC) https://doi.org/10.13039/100012783 Convenzione INGV-DPC Allegato A