Estimation of dispersion coefficient in the troposphere from satellite images of volcanic plumes: Application to Mt. Etna, Italy (Articolo in rivista)

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  • Estimation of dispersion coefficient in the troposphere from satellite images of volcanic plumes: Application to Mt. Etna, Italy (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.atmosenv.2005.09.079 (literal)
Alternative label
  • Tiesi A., Villani MG., D'Isidoro M., Prata AJ., Maurizi A., Tampieri F. (2006)
    Estimation of dispersion coefficient in the troposphere from satellite images of volcanic plumes: Application to Mt. Etna, Italy
    in Atmospheric environment (1994); Elsevier, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tiesi A., Villani MG., D'Isidoro M., Prata AJ., Maurizi A., Tampieri F. (literal)
Pagina inizio
  • 628 (literal)
Pagina fine
  • 638 (literal)
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  • 40 (literal)
Rivista
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  • 11 (literal)
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  • 4 (literal)
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  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISAC-CNR, Via Gobetti 101, 40129 Bologna, Italy. IMAA-CNR, C.da S. Loia, 85050 Tito Scalo (PZ), Italy. University of Urbino, Environmental Science Faculty, Campus Scientifico Sogesta, 61029 Urbino, Italy. University of Ferrara, Department of Physics, Via del Paradiso 12, 44100 Ferrara, Italy. CSIRO, Division of Atmospheric Research, Aspendale, Vic., Australia. (literal)
Titolo
  • Estimation of dispersion coefficient in the troposphere from satellite images of volcanic plumes: Application to Mt. Etna, Italy (literal)
Abstract
  • The lateral dispersion of volcanic plumes in the troposphere is investigated using satellite images. Two plume images have been selected from the Mount Etna eruption that occurred in October/November 2002. To reproduce the satellite images two modelling approaches are presented. The first one uses deterministic trajectories released from a line source extending over a range of altitudes chosen from direct observations. The second uses stochastic trajectories from an area source located at a fixed height, where the source size and the effective diffusion coefficient are determined by data analysis. The meteorological model BOLAM (Bologna Limited Area Model) supplies the atmospheric dynamics. Both approaches reproduce the main features of the observed plumes, with differences in the cross section distribution of the density (literal)
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