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Atmospheric and Oceanic Optics

, Volume 30, Issue 5, pp 435–440 | Cite as

Parameterization of asymmetry factor of atmospheric aerosol scattering phase function

  • M. A. Sviridenkov
  • E. F. MikhailovEmail author
  • E. Yu. Nebos’ko
Optics of Stochastically-Heterogeneous Media

Abstract

We analyzed how the asymmetry factor of the atmospheric aerosol phase function can be estimated from spectral measurements of light attenuation and scattering. An empirical formula is suggested to parameterize the asymmetry factor as a function of the Ångström exponent and complex refractive index. Several approaches to determining the asymmetry factor from data of integrating nephelometers are considered. An analytical formula, relating the asymmetry factor to the nephelometer-measured ratio of the radiative fluxes scattered into the forward and backward hemispheres, is derived. The asymmetry factor at three wavelengths is calculated according to data of field measurements in St. Petersburg suburbs in 2015.

Keywords

aerosol scattering absorption scattering phase function asymmetry factor integrating nephelometer 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • M. A. Sviridenkov
    • 1
  • E. F. Mikhailov
    • 2
    Email author
  • E. Yu. Nebos’ko
    • 2
  1. 1.Obukhov Institute of Atmospheric PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.St. Petersburg State UniversitySt. PetersburgRussia

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