Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/4394
DC Field | Value | Language |
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dc.contributor.authorall | Mazzarini, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.authorall | Favalli, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.authorall | Isola, I.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.authorall | Neri, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
dc.contributor.authorall | Pareschi, M. T.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.date.accessioned | 2008-12-01T14:16:17Z | en |
dc.date.available | 2008-12-01T14:16:17Z | en |
dc.date.issued | 2008-10 | en |
dc.identifier.uri | http://hdl.handle.net/2122/4394 | en |
dc.description.abstract | The terrestrial 3D Laser Scanning technique has been applied to analyse the surface roughness of pyroclastic deposits on volcanic surfaces at Mt. Etna. This technique allowed the construction of high accuracy digital elevation models of small surfaces, about 1 m across. Sampled surfaces differ for percentage of coverage and for grain size of the pyroclastic deposits. The change in grain size distribution for the pyroclastic unconsolidated deposits affects the surface roughness. The roughness of the site where the finest pyroclastic deposits occur is mainly governed by large scale wavelength morphology (Hurst exponent H = 0.77 for lengths larger than 16 mm). The other sampled surfaces have self-affine characters with low (0.15) to intermediate (0.35 - 0.38) Hurst exponents for lengths higher than 10 – 22 mm. Here we show results of the analysis of the surface roughness of the pyroclastic deposits emplaced during the 2001 and 2002-2003 eruptions at Mt. Etna. Grain size and thickness of pyroclastic deposits mainly control the overall roughness of such as volcanic surface. | en |
dc.language.iso | English | en |
dc.publisher.name | Istituto Nazionale di Geofisica e Vulcanologia | en |
dc.relation.ispartof | Annals of Geophysics | en |
dc.relation.ispartofseries | 5-6/51 (2008) | en |
dc.subject | surface roughness | en |
dc.subject | pyroclastic deposits | en |
dc.subject | Laser 3D | en |
dc.subject | Mount Etna | en |
dc.title | Surface roughness of pyroclastic deposits at Mt. Etna by 3D laser scanning | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 813-822 | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.10. Stratigraphy | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.11. Instruments and techniques | en |
dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous | en |
dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks | en |
dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques | en |
dc.subject.INGV | 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions | en |
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MELI (2006): Reflectance spectroscopy (0.3 – 2.5 m) at various scales for bulk-rock identification, Geosphere, 2, 142-160. SHEPARD, M.K., R.A. BRACKETT AND R.E. ARVIDSON (1995): Self-affine (fractal) topography: Surface parameterization and radar scattering, J. Geophys. Res., 100, 11709-11718. SHEPARD, M.K. AND B.A. CAMPBELL (1999): Radar scattering from a self-affine fractal surface: near-nadir regime, Icarus, 141, 156-171. SHEPARD, M.K., B.A CAMPBELL, M.H. BULMER, T.G. FARR, L.R. GADDIS AND J.J. PLAUT (2001): The roughness of natural terrain: A planetary and remote sensing perspective, J. Geophys. Res., 106, 32777-32795. STEVENS, N.F., G. WADGE, C.A. WILLIAMS, J.G. MORELY, J.-P. MULLER, J.B. MURRAY AND M. UPTON (2001): Surface movements of emplaced lava flows measured by synthetic aperture radar interferometry, J. Geophys. Res., 106, 11293-11313. TADDEUCCI, J., M. POMPILIO, AND P. SCARLATO (2002): Monitoring the explosivity of the July-August 2001 eruption of Mt. Etna Italy by ash characterization, Geophys. Res. Lett., 29, doi:10.10.29/2001GL014372. TURCOTTE, D.L. (1997): Fractals and chaos in Geology and Geophysics,” 2nd ed., Cambridge Univ. Press, New York, pp. 1-398. | en |
dc.description.obiettivoSpecifico | 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani | en |
dc.description.obiettivoSpecifico | 1.10. TTC - Telerilevamento | en |
dc.description.obiettivoSpecifico | 3.5. Geologia e storia dei sistemi vulcanici | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | open | en |
dc.contributor.author | Mazzarini, F. | en |
dc.contributor.author | Favalli, M. | en |
dc.contributor.author | Isola, I. | en |
dc.contributor.author | Neri, M. | en |
dc.contributor.author | Pareschi, M. T. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
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 Pisa, Pisa, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, 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 Pisa, Pisa, Italia | - |
crisitem.author.orcid | 0000-0002-3864-6558 | - |
crisitem.author.orcid | 0000-0002-7338-6069 | - |
crisitem.author.orcid | 0000-0002-3911-4676 | - |
crisitem.author.orcid | 0000-0002-5890-3398 | - |
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.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 05. General | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press Annals of Geophysics |
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05 Mazzarini.pdf | 5.39 MB | Adobe PDF | View/Open |
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