Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/452
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dc.contributor.authorallLautze, N. C.; Department of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USAen
dc.contributor.authorallHarris, A. J. L.; Department of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USA - HIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.authorallBailey, J. E.; Department of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USA - HIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.authorallRipepe, M.; Dipartimento di Scienze della Terra, Università di Firenze, Florence , Italyen
dc.contributor.authorallCalvari, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallDehn, J.; Alaska Volcano Observatory, Fairbanks, AK , USAen
dc.contributor.authorallRowland, S.; HIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.authorallEvans-Jones, K.; NERC Remote Sensing Data Analysis Service, Plymouth Marine Laboratory, Plymouth , UKen
dc.date.accessioned2005-10-04T19:45:13Zen
dc.date.available2005-10-04T19:45:13Zen
dc.date.issued2004-09-30en
dc.identifier.urihttp://hdl.handle.net/2122/452en
dc.description.abstractEffusion rate and degassing data collected at Mt. Etna volcano (Italy) in 2001 show variations occurring on time scales of hours to months. We use both long- and short-term data sets spanning January to August to identify this variation. The long data sets comprise a satellite- and ground-based time series of effusion rates, and the latter include field-based effusion rate and degassing data collected May 29–31. The satellite-derived effusion rates for January through August reveal four volumetric pulses that are characterized by increasing mean effusion rate values and lead up to the 2001 flank eruption. Peak effusion rates during these 23–57 day pulses were 1.2 m3 s-1 in Pulse 1 (1 Jan–4 Mar), 1.1 m3 s-1 in Pulse 2 (5 Mar–21 Apr), 4.2 m3 s-1 in Pulse 3 (24 Apr–18 Jun), 8.8 m3 s-1 in Pulse 4 (23 Jun–16 Jul), and 22.2 m3 s-1 during the flank eruption (17 Jul–9 Aug). Rank-order analysis of the satellite data shows that effusion rate values during the 2001 flank eruption define a statistically different trend than Etna's persistent activity from Jan 1 to Jul 17. Data prior to the flank eruption obey a power-law relationship that may define an effusion rate threshold of ~3–5 m3 s-1 for Etna's typical persistent activity. Our short-term data coincide with the satellite-derived peak effusion period of Pulse 3. Degassing (at-vent puff frequency) shows a general increase from May 29 to 31, with hour-long variations in both puff frequency and lava flow velocity (effusion rate). We identify five 3–14 h degassing periods that contain 26 shorter (19–126 min-long) oscillations. This variation shows some positive correlation with effusion rate measurements during the same time period. If a relationship between puff frequency and effusion rate is valid, we propose that their short-term variation is the result of changes in the supply rate of magma to the near-vent conduit system. Therefore, these short-term data provide some evidence that the clear weeks- to months-long variation in Etna's effusive activity (January–August 2001) was overprinted by a minutes- to hour-scale oscillation in shallow supply.en
dc.format.extent520 bytesen
dc.format.extent1186376 bytesen
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dc.format.mimetypeapplication/pdfen
dc.language.isoEnglishen
dc.publisher.nameElsevieren
dc.relation.ispartofJournal of Volcanology and Geothermal Researchen
dc.relation.ispartofseries1-3/137(2004)en
dc.subjecteffusion rateen
dc.subjectdegassingen
dc.subjectoscillationen
dc.subjectshallow supply and Etnaen
dc.titlePulsed lava effusion at Mount Etna during 2001en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber231-246en
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.03. Magmasen
dc.relation.referencesAllard, P., Carbonnelle J., Metrich N., Loyer H., Zettwoog P., "Sulphur output and magma degassing budget of Stromboli volcano", Nature, Volume: 368, (1994), pp. 326-330 CrossRef Andronico, D., Calvari, S., Lodato, L., in preparation. Eruptive activity at Etna volcano before the 2001 flank eruption. Calvari, S., INGV-Sezione di Catania Scientific Staff , "Multidisciplinary approach yields insight into Mt. Etna eruption", EOS, Volume: 82, (2001), pp. 653-656 Calvari, S., Coltelli M., Neri M., Pompilio M., Scribano V., "The 1991–1993 Etna eruption: chronology and lava flow-field evolution", Acta Vulcanol., Volume: 4, (1994), pp. 1-14 Calvari, S., Neri M., Pinkerton H., "Effusion rate estimations during the 1999 summit eruption on Mount Etna and growth of two distinct lava flow fields", J. Volcanol. Geotherm. Res., Volume: 119, Issue: 1–4 (2003), pp. 107-123 Bibliographic Page Full text Dozier, J., "A method for satellite identification of surface temperature fields of subpixel resolution", Remote Sens. Environ., Volume: 11, (1981), pp. 221-229 CrossRef Harris, A.J.L., Rothery D.A., Carlton R.W., Langaas S., Mannstein H., "Non-zero saturation of AVHRR thermal channels over high temperature targets: evidence from volcano data and a possible explanation", Int. J. Remote Sens., Volume: 16, (1995), pp. 189-196 Harris, A.J.L., Blake S., Rothery D.A., Stevens N.F., "A chronology of the 1991 to 1993 Mount Etna eruption using advanced very high resolution radiometer data: implications for real-time thermal volcano monitoring", J. Geophys. Res., Volume: 102, (1997), pp. 7985-8003 Harris, A.J.L., Butterworth A.L., Carlton R.W., Downey I., Miller P., Navarro P., Rothery D.A., "Low-cost volcano surveillance from space: case studies from Etna, Krafla, Cerro, Fogo, Lascar and Erebus", Bull. Volcanol., Volume: 59, (1997), pp. 49-64 Bibliographic Page Full text Harris, A.J.L., Sherman S.B., Flynn L.P., Rothery D.A., Oppenheimer C., "Mass flux measurements at active lava lakes: implications for magma recycling", J. Geophys. Res. B: Solid Earth, Volume: 104, Issue: 4 (1999), pp. 7117-7136 CrossRef Harris, A.J.L., Murray J.B., Aries S.E., Davies M.A., Flynn L.P., Wooster M.J., Wright R., Rothery D.A., "Effusion rate trends at Etna and Krafla and their implications for eruptive mechanisms", J. Volcanol. Geotherm. Res., Volume: 102, (2000), pp. 237-270 Pyle, D.M., "Forecasting sizes and repose times of future extreme volcanic events", Geology, Volume: 26, (1998), pp. 367-370 Ripepe, M., Harris A., Carniel R., "Thermal, seismic and infrasonic evidences of variable degassing rates at Stromboli Volcano", J. Volcanol. Geotherm. Res., Volume: 118, (2002), pp. 285-297 Bibliographic Page Full text Rothery, D.A., Francis P.W., Wood C.A., "Volcano monitoring using short wavelength infrared data from satellites", J. Geophys. Res., Volume: 93, (1988), pp. 7993-8008 Rothery, D.A., Coltelli M., Pirie D., Wooster M.J., Wright R., "Documenting surface magmatic activity at Mount Etna using ASTR remote sensing", Bull. Volcanol., Volume: 63, (2001), pp. 387-397 Sornette, D., Knopoff L., Kagan Y.Y., Vanneste C., "Rank-ordering statistics of extreme events; application to the distribution of large earthquakes", J. Geophys. Res., Volume: 101, (1996), pp. 13,883-13,893 Swanson, D.A., Duffield W.A., Jackson D.B., Peterson D.W., "Chronological narrative of the 1969–71 Mauna Ulu eruption of Kilauea Volcano, Hawaii", US Geol. Surv. Prof. Pap. 1056, (1979), 55 pp. Tilling, R.I., Christiansen R.L., Duffield W.A., Endo E.T., Holcomb R.T., Koyanagi R.Y., Peterson D.W., Unger J.D., "The 1972–1974 Mauna Ulu eruption, Kilauea Volcano; an example of quasi-steady-state magma transfer Volcanism in Hawaii", US Geol. Surv. Prof. Pap. 1350, (1987), pp. 405-409 Wadge, G., "The variation of magma discharge during basaltic eruptions", J. Volcanol. Geotherm. Res., Volume: 11, (1981), pp. 139-168 CrossRef Wright, R., Blake S., Harris A.J.L., Rothery D.A., "A simple explanation for the space-based calculation of lava eruption rates", Earth Planet. Sci. Lett., Volume: 192, (2001), pp. 223-233en
dc.description.fulltextpartially_openen
dc.contributor.authorLautze, N. C.en
dc.contributor.authorHarris, A. J. L.en
dc.contributor.authorBailey, J. E.en
dc.contributor.authorRipepe, M.en
dc.contributor.authorCalvari, S.en
dc.contributor.authorDehn, J.en
dc.contributor.authorRowland, S.en
dc.contributor.authorEvans-Jones, K.en
dc.contributor.departmentDepartment of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USAen
dc.contributor.departmentDepartment of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USA - HIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.departmentDepartment of Geology and Geophysics, SOEST, University of Hawaii, 1680 East–West Road, Post 606A, Honolulu, HI 96822, USA - HIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.departmentDipartimento di Scienze della Terra, Università di Firenze, Florence , Italyen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentHIGP/SOEST, University of Hawaii, Honolulu, HI 96822, USAen
dc.contributor.departmentNERC Remote Sensing Data Analysis Service, Plymouth Marine Laboratory, Plymouth , UKen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptUniversity of Hawaii, Manoa, Department of Geology and Geophysics, United States-
crisitem.author.deptHawai’i Institute of Geophysics and Planetology, University of Hawai’i at Manoa-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptHawai’i Institute of Geophysics and Planetology, University of Hawai’i at Manoa-
crisitem.author.deptNERC Remote Sensing Data Analysis Service, Plymouth Marine Laboratory, Plymouth , UK-
crisitem.author.orcid0000-0001-8189-5499-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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