Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6604
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dc.contributor.authorallFavalli, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.authorallHarris, A. J. L.; HIGP/SOEST, University of Hawai’i, Honolulu, Hawaii, USA; Laboratoire Magmas et Volcans, Université Blaise Pascal, Clermont-Ferrand, Franceen
dc.contributor.authorallFornaciai, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.authorallPareschi, M. T.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.authorallMazzarini, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.date.accessioned2011-01-13T08:05:00Zen
dc.date.available2011-01-13T08:05:00Zen
dc.date.issued2010-01en
dc.identifier.urihttp://hdl.handle.net/2122/6604en
dc.description.abstractEtna’s 2001 basaltic lava flow provided a good example of the distal flow segment between the flow front and stable channel, across which the flow evolves from channel-contained to dispersed. This zone was mapped with meter precision using LIDAR data collected during 2004 and 2005. These data, supported by field mapping, show that the flow front comprised eight lobes each 10 to 20 m high. The flow front appears to have advanced not as a single unit, but as a series of lobes moving forward one lobe at a time. Primary lobes were centered on the channel axis and marginal lobes were off-axis. The lobes advanced as breakouts of low-yield-strength lava from the flow core of the stalled flow front. Marginal lobes were abandoned and contributed to marginal levees flanking the transitional channel. For Etna’s 2001 flow, the transitional channel is 140 m wide, 700 m long and fed a 240-m-long zone of dispersed flow; the change from stable to transitional channel occurred at a major reduction in slope. Above this, the stable channel is 5.2 km long, 55 to 105 m wide and bounded by 15- to 25-m-high levees, and the stable channel is located over a previous channel. In a final stage of activity, lava ponding at the break-in-slope that marks the terminus of the stable channel put pressure on the eastern levee, causing it to fail. Liberated lava then fed a final break-out to the east. Similar flow front-features occur at other volcanoes, indicating that similar processes are characteristic of dispersed flow zones.en
dc.language.isoEnglishen
dc.publisher.nameSpringeren
dc.relation.ispartofBulletin of Volcanologyen
dc.relation.ispartofseries1/72(2010)en
dc.relation.isversionofhttp://hdl.handle.net/2122/5734en
dc.subjectBasalt lavaen
dc.subjectChannelised lava flowen
dc.subjectFlow fronten
dc.subjectZone of dispersed flowen
dc.subjectFlow dynamicsen
dc.subjectLIDARen
dc.subjectEtnaen
dc.titleThe distal segment of Etna’s 2001 basaltic lava flowen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber119-127en
dc.identifier.URLhttp://www.springerlink.com/content/y64pj16r7pj75462/fulltext.htmlen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocksen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniquesen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risken
dc.identifier.doi10.1007/s00445-009-0300-zen
dc.description.obiettivoSpecifico1.10. TTC - Telerilevamentoen
dc.description.obiettivoSpecifico3.5. Geologia e storia dei vulcani ed evoluzione dei magmien
dc.description.obiettivoSpecifico3.6. Fisica del vulcanismoen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorFavalli, M.en
dc.contributor.authorHarris, A. J. L.en
dc.contributor.authorFornaciai, A.en
dc.contributor.authorPareschi, M. T.en
dc.contributor.authorMazzarini, F.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.departmentHIGP/SOEST, University of Hawai’i, Honolulu, Hawaii, USA; Laboratoire Magmas et Volcans, Université Blaise Pascal, Clermont-Ferrand, Franceen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.orcid0000-0002-7338-6069-
crisitem.author.orcid0000-0003-4829-4928-
crisitem.author.orcid0000-0002-3864-6558-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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