Assessment of Refractive Index and Microphysical Parameters of Spherical Aerosols from Data of Dual-Polarization Polar Nephelometer

Autor: Verhaege, Christophe, Personne, Pascal, Shcherbakov, Valery
Přispěvatelé: Laboratoire de météorologie physique (LaMP), Centre National de la Recherche Scientifique (CNRS)-Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut national des sciences de l'Univers (INSU - CNRS), Verhaege, Christophe, Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2007
Předmět:
Zdroj: 17th International Conference on Nucleation and Atmospheric Aerosols (ICNAA)
17th International Conference on Nucleation and Atmospheric Aerosols (ICNAA), Aug 2007, Galway, Ireland. 17th International Conference on Nucleation and Atmospheric Aerosols (ICNAA) pp.65-106, 2005
Popis: International audience; The knowledge of both the size distribution and the composition (refractive index) of atmospheric particles is important for the understanding of theradiative balance of the Earth and the cloud life cycle. These parameters modify the phase function and the polarization characteristics of the scattered light. The laboratory nephelometer (designed by LaMP) makes possible to characterize the optical properties of a population of aerosols. It was performed sensitivity tests of dual-polarization polar nephelometer (D2PN) data to optical and microphysical parameters of population of spherical aerosol particles. Measurement errors were modeled as Gaussian random variables with zero mean and a standard deviation of 10%. It is shown that data of the D2PN enable to retrieve microphysical parameters along with the assessment of the refractive index
Databáze: OpenAIRE