Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6489| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Calvari, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.authorall | Spampinato, L.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.authorall | Bonaccorso, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.authorall | Oppenheimer, C. | en |
| dc.contributor.authorall | Rivalta, E. | en |
| dc.contributor.authorall | Boschi, E.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia | en |
| dc.date.accessioned | 2011-01-03T13:45:37Z | en |
| dc.date.available | 2011-01-03T13:45:37Z | en |
| dc.date.issued | 2011-01-03 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/6489 | en |
| dc.description | Questo lavoro ha analizzato i risultati del monitoraggio termico delle eruzioni di Stromboli del 2002-2003 e 2007, ed ha mostrato come prima di ogni parossisma il volume di lava eruttato nel corso dell’attività effusiva sia stato confrontabile. Questa osservazione ha fatto ipotizzare l’esistenza di una decompressione critica nel sistema di alimentazione superficiale del vulcano, raggiungibile anche lentamente, che innesca la veloce risalita del magma ricco in gas, responsabile dei parossismi. Durante l’attività effusiva, a questa decompressione critica è associabile una soglia di volume di magma emesso, che diventa la misura discriminante per valutare la fase critica del vulcano e predire il parossisma. | en |
| dc.description.abstract | The 2007 effusive eruption of Stromboli followed a similar pattern to the previous 2002-3 episode. In both cases, magma ascent led to breaching of the uppermost part of the conduit forming an eruptive fissure that discharged lava down the Sciara del Fuoco depression. Both eruptions also displayed a ‟paroxysmal„ explosive event during lava flow output. From daily effusion rate measurements retrieved from helicopter- and satellite-based infrared imaging, we deduce that the cumulative volume of lava erupted before each of the two paroxysms was similar. Based on this finding, we propose a conceptual model to explain why both paroxysms occurred after this „threshold‟ cumulative volume of magma was erupted. The gradual decompression of the deep plumbing system induced by magma withdrawal and eruption, drew deeper volatile-rich magma into the conduit, leading to the paroxysms. The proposed model might provide a basis for forecasting paroxysmal explosions during future effusive eruptions of Stromboli. | en |
| dc.description.sponsorship | This paper was partially supported by a research project (Project INGV-DPC Paroxysm V2/03, 2007–2009) funded by the Istituto Nazionale di Geofisica e Vulcanologia and by the Italian Civil Protection. E.R. thanks Rafal Dunin-Borkowski, director of Cen/DTU (Denmark), for logistic support. | en |
| dc.language.iso | English | en |
| dc.publisher.name | Elsevier | en |
| dc.relation.ispartof | Earth Planetary Science Letters | en |
| dc.relation.ispartofseries | /301 (2010) | en |
| dc.subject | Stromboli volcano | en |
| dc.subject | effusive eruptions | en |
| dc.title | Lava effusion – a slow fuse for paroxysms at Stromboli volcano? | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 317-323 | en |
| dc.identifier.URL | http://www.earth-prints.org/handle/2122/6289 | en |
| dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring | en |
| dc.identifier.doi | 10.1016/j.epsl.2010.11.015 | en |
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(Eds.), The Stromboli Volcano: An Integrated Study of the 2002–2003 Eruption: American Geophysical Union Monograph Series, 182, pp. 201–212. Spieler, O., Kennedy, B., Kueppers, U., Dingwell, D.B., Scheu, B., Taddeucci, J., 2004. The fragmentation threshold of pyroclastic rocks. Earth Planet. Sci. Lett. 226, 139–148. Walker, G.P.L., 1973. Lengths of lava flows. Philos. Trans. R. Soc. London 274 (1238), 107–116. Wilson, L., 1980. Relationships between pressure, volatile content and ejecta velocity in three types of volcanic explosions. J. Volcanol. Geotherm. Res. 8, 297–313. | en |
| dc.description.obiettivoSpecifico | 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | restricted | en |
| dc.contributor.author | Calvari, S. | en |
| dc.contributor.author | Spampinato, L. | en |
| dc.contributor.author | Bonaccorso, A. | en |
| dc.contributor.author | Oppenheimer, C. | en |
| dc.contributor.author | Rivalta, E. | en |
| dc.contributor.author | Boschi, E. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione AC, Roma, Italia | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | restricted | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.dept | GFZ German Research Center for Geosciences, Potsdam, Germany | - |
| crisitem.author.orcid | 0000-0001-8189-5499 | - |
| crisitem.author.orcid | 0000-0002-0809-9135 | - |
| crisitem.author.orcid | 0000-0002-4770-6006 | - |
| crisitem.author.orcid | 0000-0003-4506-7260 | - |
| crisitem.author.orcid | 0000-0001-8245-0504 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| Appears in Collections: | Article published / in press | |
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