Abstract

Using the approximation of a polydisperse ensemble (nonreflecting, two-layer, and homogeneous spheres), a theoretical analysis is presented of how the internal structure (as a result of variation of the moisture in the air) affects the absorption coefficient and single-scattering albedo of an ensemble of small hygroscopic, inhomogeneous, and absorbing particles of the sulfate component of the marine aerosol in the boundary layer of the atmosphere. The variations of these optical characteristics of the aerosols in the IR, visible, and UV regions caused by variations of the microstructural parameters of the aerosol particles are studied. It is shown that neglecting the radial inhomogeneity of the structure of the aerosol particles can result in large errors when estimating the absorption coefficient and consequently can cause large errors when calculating the radiational and thermal regimes of the boundary layer of the atmosphere.

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  1. K. Ya. Kondrat’ev, Radiation Factors of Modern Global Climate Changes (Gidrometeoizdat, Leningrad, 1980).
  2. G. Hanel, “The properties of atmospheric aerosol particles as functions of the relative humidity at thermodynamic equilibrium with the surrounding moist air,” Adv. Geophys. 19, 74 (1976).
  3. A. P. Prishivalko, V. A. Babenko, and V. N. Kuz’min, Scattering and Absorption of Light by Inhomogeneous and Isotropic Spherical Particles (Nauka i Tekhnika, Minsk, 1984).
  4. G. M. Krekov and P. O. Rakhimov, Optical-Ranging Model of the Continental Aerosol (Nauka, Sib. Otdelenie, Novosibirsk, 1982).
  5. L. S. Ivlev and Yu. A. Dovgalyuk, Physics of Atmospheric Aerosol Systems (NIIKh SPbGU, St. Petersburg, 1999).
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  7. A. Ya. Perel’man and T. V. Zinov’eva, “Approximation of the optical properties of spherical particles with radially varying refractive index,” Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana 38, 515 (2002).
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    [CrossRef]
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  14. S. Gathmann, “Optical properties of the marine aerosol as predicted by the Navy aerosol model,” Opt. Eng. 22, 57 (1983).
    [CrossRef]
  15. A preliminary cloudless standard atmosphere for radiation computation (International Association for Meteorology and Atmospheric Physics. Radiation Commission, Boulder, Colorado, U.S.A., 1984).
  16. K. S. Shifrin and I. G. Zolotov, “Information content of the spectral transmittance of the marine atmospheric boundary layer,” Appl. Opt. 35, 4835 (1996).
    [CrossRef] [PubMed]

2005

A. M. Kokorin, “The effect of the moisture of the air on the asymmetry index and coefficient of the light-scattering distribution of radially inhomogeneous aerosol particles in the boundary layer over the sea,” Opt. Zh. 72, No. 2, 14 (2005). [J. Opt. Technol. 72, 172 (2005)].

2003

A. M. Kokorin and K. S. Shifrin, “Effect of humidity on the backscattering distribution of an ensemble of small hygroscopic inhomogeneous particles,” Opt. Zh. 70, No. 5, 13 (2003). [J. Opt. Technol. 70, 311 (2003)].

2002

A. Ya. Perel’man and T. V. Zinov’eva, “Approximation of the optical properties of spherical particles with radially varying refractive index,” Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana 38, 515 (2002).

2000

A. M. Kokorin and K. S. Shifrin, “Influence of humidity on the light-scattering characteristics of radially inhomogeneous aerosol particles in the boundary layer over an ocean,” Opt. Zh. 67, No. 1, 55 (2000). [J. Opt. Technol. 67, 45 (2000)].

1997

A. M. Kokorin, “Light scattering by a polydisperse system of radially inhomogeneous particles of a marine suspension,” Opt. Zh. 64, No. 8, 90 (1997). [J. Opt. Technol. 64, 776 (1997)].

1996

1983

S. Gathmann, “Optical properties of the marine aerosol as predicted by the Navy aerosol model,” Opt. Eng. 22, 57 (1983).
[CrossRef]

1980

T. J. Tuomi, “Light scattering by aerosols with layered humidity-dependent structure,” J. Atmos. Sci. 11, 367 (1980).

1976

G. Hanel, “The properties of atmospheric aerosol particles as functions of the relative humidity at thermodynamic equilibrium with the surrounding moist air,” Adv. Geophys. 19, 74 (1976).

1966

Babenko, V. A.

A. P. Prishivalko, V. A. Babenko, and V. N. Kuz’min, Scattering and Absorption of Light by Inhomogeneous and Isotropic Spherical Particles (Nauka i Tekhnika, Minsk, 1984).

Dovgalyuk, Yu. A.

L. S. Ivlev and Yu. A. Dovgalyuk, Physics of Atmospheric Aerosol Systems (NIIKh SPbGU, St. Petersburg, 1999).

Farone, W. A.

Fenn, R. W.

E. P. Shettle and R. W. Fenn, Models for Aerosols in the Lower Atmosphere and the Effects of Humidity Variations on Their Optical Properties, AFGL-TR-79-0214 (U.S. Air Force Geophysics Laboratory, Hanscomb Air Force Base, Mass.).

Gathmann, S.

S. Gathmann, “Optical properties of the marine aerosol as predicted by the Navy aerosol model,” Opt. Eng. 22, 57 (1983).
[CrossRef]

Hanel, G.

G. Hanel, “The properties of atmospheric aerosol particles as functions of the relative humidity at thermodynamic equilibrium with the surrounding moist air,” Adv. Geophys. 19, 74 (1976).

Ivlev, L. S.

L. S. Ivlev and Yu. A. Dovgalyuk, Physics of Atmospheric Aerosol Systems (NIIKh SPbGU, St. Petersburg, 1999).

Kauffman, L. H.

Kerker, M.

Kokorin, A. M.

A. M. Kokorin, “The effect of the moisture of the air on the asymmetry index and coefficient of the light-scattering distribution of radially inhomogeneous aerosol particles in the boundary layer over the sea,” Opt. Zh. 72, No. 2, 14 (2005). [J. Opt. Technol. 72, 172 (2005)].

A. M. Kokorin and K. S. Shifrin, “Effect of humidity on the backscattering distribution of an ensemble of small hygroscopic inhomogeneous particles,” Opt. Zh. 70, No. 5, 13 (2003). [J. Opt. Technol. 70, 311 (2003)].

A. M. Kokorin and K. S. Shifrin, “Influence of humidity on the light-scattering characteristics of radially inhomogeneous aerosol particles in the boundary layer over an ocean,” Opt. Zh. 67, No. 1, 55 (2000). [J. Opt. Technol. 67, 45 (2000)].

A. M. Kokorin, “Light scattering by a polydisperse system of radially inhomogeneous particles of a marine suspension,” Opt. Zh. 64, No. 8, 90 (1997). [J. Opt. Technol. 64, 776 (1997)].

Kondrat’ev, K. Ya.

K. Ya. Kondrat’ev, Radiation Factors of Modern Global Climate Changes (Gidrometeoizdat, Leningrad, 1980).

Krekov, G. M.

G. M. Krekov and P. O. Rakhimov, Optical-Ranging Model of the Continental Aerosol (Nauka, Sib. Otdelenie, Novosibirsk, 1982).

Kuz’min, V. N.

A. P. Prishivalko, V. A. Babenko, and V. N. Kuz’min, Scattering and Absorption of Light by Inhomogeneous and Isotropic Spherical Particles (Nauka i Tekhnika, Minsk, 1984).

Perel’man, A. Ya.

A. Ya. Perel’man and T. V. Zinov’eva, “Approximation of the optical properties of spherical particles with radially varying refractive index,” Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana 38, 515 (2002).

Prishivalko, A. P.

A. P. Prishivalko, V. A. Babenko, and V. N. Kuz’min, Scattering and Absorption of Light by Inhomogeneous and Isotropic Spherical Particles (Nauka i Tekhnika, Minsk, 1984).

Rakhimov, P. O.

G. M. Krekov and P. O. Rakhimov, Optical-Ranging Model of the Continental Aerosol (Nauka, Sib. Otdelenie, Novosibirsk, 1982).

Shettle, E. P.

E. P. Shettle and R. W. Fenn, Models for Aerosols in the Lower Atmosphere and the Effects of Humidity Variations on Their Optical Properties, AFGL-TR-79-0214 (U.S. Air Force Geophysics Laboratory, Hanscomb Air Force Base, Mass.).

Shifrin, K. S.

A. M. Kokorin and K. S. Shifrin, “Effect of humidity on the backscattering distribution of an ensemble of small hygroscopic inhomogeneous particles,” Opt. Zh. 70, No. 5, 13 (2003). [J. Opt. Technol. 70, 311 (2003)].

A. M. Kokorin and K. S. Shifrin, “Influence of humidity on the light-scattering characteristics of radially inhomogeneous aerosol particles in the boundary layer over an ocean,” Opt. Zh. 67, No. 1, 55 (2000). [J. Opt. Technol. 67, 45 (2000)].

K. S. Shifrin and I. G. Zolotov, “Information content of the spectral transmittance of the marine atmospheric boundary layer,” Appl. Opt. 35, 4835 (1996).
[CrossRef] [PubMed]

Tuomi, T. J.

T. J. Tuomi, “Light scattering by aerosols with layered humidity-dependent structure,” J. Atmos. Sci. 11, 367 (1980).

Zinov’eva, T. V.

A. Ya. Perel’man and T. V. Zinov’eva, “Approximation of the optical properties of spherical particles with radially varying refractive index,” Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana 38, 515 (2002).

Zolotov, I. G.

Adv. Geophys.

G. Hanel, “The properties of atmospheric aerosol particles as functions of the relative humidity at thermodynamic equilibrium with the surrounding moist air,” Adv. Geophys. 19, 74 (1976).

Appl. Opt.

Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana

A. Ya. Perel’man and T. V. Zinov’eva, “Approximation of the optical properties of spherical particles with radially varying refractive index,” Izv. Ross. Akad. Nauk Fiz. Atmosf. Okeana 38, 515 (2002).

J. Atmos. Sci.

T. J. Tuomi, “Light scattering by aerosols with layered humidity-dependent structure,” J. Atmos. Sci. 11, 367 (1980).

J. Opt. Soc. Am.

Opt. Eng.

S. Gathmann, “Optical properties of the marine aerosol as predicted by the Navy aerosol model,” Opt. Eng. 22, 57 (1983).
[CrossRef]

Opt. Zh.

A. M. Kokorin, “Light scattering by a polydisperse system of radially inhomogeneous particles of a marine suspension,” Opt. Zh. 64, No. 8, 90 (1997). [J. Opt. Technol. 64, 776 (1997)].

A. M. Kokorin and K. S. Shifrin, “Influence of humidity on the light-scattering characteristics of radially inhomogeneous aerosol particles in the boundary layer over an ocean,” Opt. Zh. 67, No. 1, 55 (2000). [J. Opt. Technol. 67, 45 (2000)].

A. M. Kokorin and K. S. Shifrin, “Effect of humidity on the backscattering distribution of an ensemble of small hygroscopic inhomogeneous particles,” Opt. Zh. 70, No. 5, 13 (2003). [J. Opt. Technol. 70, 311 (2003)].

A. M. Kokorin, “The effect of the moisture of the air on the asymmetry index and coefficient of the light-scattering distribution of radially inhomogeneous aerosol particles in the boundary layer over the sea,” Opt. Zh. 72, No. 2, 14 (2005). [J. Opt. Technol. 72, 172 (2005)].

Other

A. P. Prishivalko, V. A. Babenko, and V. N. Kuz’min, Scattering and Absorption of Light by Inhomogeneous and Isotropic Spherical Particles (Nauka i Tekhnika, Minsk, 1984).

G. M. Krekov and P. O. Rakhimov, Optical-Ranging Model of the Continental Aerosol (Nauka, Sib. Otdelenie, Novosibirsk, 1982).

L. S. Ivlev and Yu. A. Dovgalyuk, Physics of Atmospheric Aerosol Systems (NIIKh SPbGU, St. Petersburg, 1999).

A preliminary cloudless standard atmosphere for radiation computation (International Association for Meteorology and Atmospheric Physics. Radiation Commission, Boulder, Colorado, U.S.A., 1984).

E. P. Shettle and R. W. Fenn, Models for Aerosols in the Lower Atmosphere and the Effects of Humidity Variations on Their Optical Properties, AFGL-TR-79-0214 (U.S. Air Force Geophysics Laboratory, Hanscomb Air Force Base, Mass.).

K. Ya. Kondrat’ev, Radiation Factors of Modern Global Climate Changes (Gidrometeoizdat, Leningrad, 1980).

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