The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
CO2 degassing and energy release at Solfatara volcano, Campi Flegrei, Italy
Open accessAbstract
In the present period of quiescence, the Solfatara volcano, 1 km far from Pozzuoli, releases 1500 t d−1 of hydrothermal CO 2 through soil diffuse degassing from a relatively small area (0.5 km 2). This amount of gas is comparable to that released by crater plume emissions of many active volcanoes. On the basis of the CO 2/H 2 O ratio measured in high‐temperature fumaroles inside the degassing area, we computed a total thermal energy flux of 1.19×10 13 J d−1 (138 MW). Most of this energy is lost by shallow steam condensation and transferred to the atmosphere through the hot soil of the degassing area. The thermal energy released by diffuse degassing at Solfatara is by far the main way of energy release from the whole Campi Flegrei caldera. It is 1 order of magnitude higher than the conductive heat flux through the entire caldera, and, during the last 20 years, it was several times higher than the energy associated with seismic crises and ground deformation events. It is possible that changes in the energy flux from a magma body seated underneath Solfatara and/or argillification processes at relatively shallow depths determine pressurization events in the hydrothermal system and consequently ground deformation and shallow seismic swarms, as recorded during the recent episodes of volcanic unrest centered at Pozzuoli.
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Metadata
- Authors
- Chiodini, G., Frondini, F., Cardellini, C., Granieri, D., Marini, L., & Ventura, G.
- Venue
- Journal of Geophysical Research: Solid Earth
- Publisher
- American Geophysical Union (AGU)
- Published
- 2001-08-10
- Volume
- 106
- Issue
- B8
- Pages
- 16213-16221
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2085311334
- Cited by
- 425
- References
- 31
- FWCI
- 12.14
- Type
- journal article
- Language
- en
- Open access
- bronze
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