Preliminary results of aerosol optical thickness from MIVIS data (Contributo in atti di convegno)

Type
Label
  • Preliminary results of aerosol optical thickness from MIVIS data (Contributo in atti di convegno) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.2495/AIR080561 (literal)
Alternative label
  • Bassani Cristiana; Cavalli Rosa Maria; Pignatti Stefano (2008)
    Preliminary results of aerosol optical thickness from MIVIS data
    in WIT Transactions on Ecology and the Environment - Air Pollution XVI, Skiathos (Greece), 22 - 24 September 2008
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Bassani Cristiana; Cavalli Rosa Maria; Pignatti Stefano (literal)
Pagina inizio
  • 551 (literal)
Pagina fine
  • 558 (literal)
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  • Air Pollution XVI (literal)
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  • vol. 16 (literal)
Rivista
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  • In: WIT Transactions on Ecology and the Environment - Air Pollution XVI. Skiathos (Greece) SOUTHAMPTON: Transactions Editor, vol. 116, ISBN/ISSN: 978-1-84564-127-6/1743-3541, doi: 10.2495/AIR080561 (literal)
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  • 8 (literal)
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  • Istituto sull'Inquinamento Atmosferico Istituto di metodologie per l'analisi ambientale (literal)
Titolo
  • Preliminary results of aerosol optical thickness from MIVIS data (literal)
Abstract
  • Aerosols are the principal atmospheric constituents which the radiative field in the atmospheric window of solar spectral domain depends on. This dependence have to be considered when the radiative quantities of the atmosphere are simulated for solving the radiative transfer equation written for at sensor signal. The most important parameter for these simulations is the aerosol optical thickness at wavelength of ? = 550 nm, ?a (? = 550 nm), that is an input of the atmospheric radiative transfer codes used by the scientific community. The study carried out is based on the estimation of ?a (? = 550 nm) starting only from the MIVIS (Multispectral Infrared and Visible Imaging Spectrometer) remote sensing data. A minimization algorithm is applied to a quadratic cost function of the ?a (? = 550 nm) variable. In this paper are presented the preliminary results obtained from the MIVIS image processing in particulary pixels that satisfy both the conditions of lambertianity and spectral homogeneity of the surface. (literal)
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