An algorithm to determine cirrus properties from analysis of multiple-scattering influence on lidar signals (Articolo in rivista)

Type
Label
  • An algorithm to determine cirrus properties from analysis of multiple-scattering influence on lidar signals (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00340-005-1765-x (literal)
Alternative label
  • Wang X; Boselli A; D'Avino L; Velotta R; Spinelli N; Bruscaglioni P; Ismaelli A; Zaccanti G (2005)
    An algorithm to determine cirrus properties from analysis of multiple-scattering influence on lidar signals
    in Applied physics. B, Lasers and optics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Wang X; Boselli A; D'Avino L; Velotta R; Spinelli N; Bruscaglioni P; Ismaelli A; Zaccanti G (literal)
Pagina inizio
  • 609 (literal)
Pagina fine
  • 615 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 80 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4-5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Coherentia-INFM-Unita' di Napoli, and Dip. di Scienze Fisiche, Univ. di Napoli \"Federico II\", Via Cintia, Napoli 80126, Italy INFM-Unita' di Napoli, and Dip. di Scienze Fisiche, Univ. di Napoli \"Federico II\", Via Cintia, Napoli 80126, Italy Istituto di Metodologie per l'Analisi Ambientale--CNR Tito Scalo (Potenza), Italy INFM-Unita' di Firenze and Dip. di Fisica, Univ. di Firenze and INFM,Via G. Sansone 1, 50019 Sesto F.no, Firenze, Italy (literal)
Titolo
  • An algorithm to determine cirrus properties from analysis of multiple-scattering influence on lidar signals (literal)
Abstract
  • A Monte Carlo-based evaluation of the multiple-scattering influence on ground-based Raman lidar measurements is presented. The lidar returns from cirrus clouds are analyzed in order to evaluate vertical profiles of the extinction and backscattering coefficients. Results show that for the typical cirrus cloud, the presence of the multiple scattering can lead to an underestimation of the extinction coefficient by as large as 200% whereas the backscattering coefficient is almost unaffected for the Raman lidar technique. An algorithm to select one or a set of phase functions which fit to the lidar data is also presented. It is an iterative procedure based on Monte Carlo scattering simulation. By comparison of the experimental value of the lidar ratio, corrected for the multiple scattering influence, and the phase function used in the Monte Carlo simulation, one can determine a suitable phase function. The validity and sensitivity of the algorithm have been demonstrated by applying it to simulated cases. The application to some real cases indicates that our procedure allows for the establishing of a practical scattering model for the cirrus clouds. (literal)
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