Abstract
The influence of the shape of dust aerosol particles in the Martian atmosphere on the imaginary part of the refractive index n i as derived from photometric observations during the period of the highest activity of the dust storm in 1971 was studied and exemplified for particles of spherical and oblate spheroidal shape. A similar analysis was performed for mean particle radii r 0 and optical thicknesses τ0 of the dust layer estimated from polarization observations for periods of high atmospheric transparency. It was demonstrated that the values obtained for these optical parameters are affected by the adopted aerosol shape. Namely, the values of n i, r 0, and τ0 found for spheroidal particles proved to be nearly twice as large as those for spheres. However, they are still much less than the available estimates of these parameters inferred, in particular, from interpreting space experiments. The reason for this difference needs further investigation.
Similar content being viewed by others
REFERENCES
Aleksandrov, Yu.V., Lupishko, D.F., and Lupishko, T.A., Absolyutnaya fotometriya Marsa v 1971, 1973, 1975 godakh (Absolute Photometry of Mars in the Years 1971, 1973, and 1975), Kharkov: Vysshaya Shkola, 1977.
Caldwell, J.,Ultraviolet Observations of Mars and Saturn by the TDIA and OAO-2 Satellites, Icarus, 1977, vol. 32, no. 2, pp. 190-209.
Dlugach, Zh.M., Method and Results of Calculations of the Optical Properties of the Martian Atmosphere during the Period of the 1971 Global Dust Storm, Astrometriya i Astrofizika, 1978, no. 30, pp. 50-64.
Dlugach, J.M. and Yanovitskij, E.G., The Optical Properties of Venus and the Jovian Planets. II. Methods and Results of Calculations of the Intensity of Radiation Diffusely Reflected from Semi-infinite Homogeneous Atmospheres, Icarus, 1974, vol. 22, no. 1, pp. 66-81.
Dlugach, Zh.M. and Morozhenko, A.V., Aerosol in the Martian Atmosphere, Kinematika Fiz. Nebesnykh Tel, 2000, vol. 16, no. 5, pp. 437-453.
Dlugach, Zh.M. and Morozhenko, A.V., Parameters of Dust Particles in the Martian Atmosphere, Astron. Vestn., 2001, vol. 35, no. 6, pp. 467-478 [Solar Syst. Res. (Engl. transl.), 2001, vol. 35, no. 6, pp. 421-430].
Dollfus, O., Dlugach, J.M., Morozhenko, A.V., and Yanovitskii, E.G., Optical Parameters of the Atmosphere and Surface of Mars: II. Dust Storms, Astron. Vestn., 1974, vol. 8, no. 4, pp. 211-222.
Irvine, W.M., Simon, T., Menzel, D.H., et al., Multicolor Photoelectric Photometry of the Brighter Planets: III. Observations from Boyden Observatory, Astron. J., 1968, vol. 73, no. 9, pp. 807-828.
Markiewich, W.I., Sablotny, R.M., Keller, H.U., et al., Optical Properties of the Martian Aerosols as Derived from Imager for Mars Pathfinder Midday Sky Brightness Data, J. Geophys. Res., 1999, vol. 104, no. E4, pp. 9009-9017.
Mishchenko, M.I., Travis, L.D., and Mackovski, D.V., T-Matrix Computations of Light Scattering by Non-spherical Particles: A Review, J. Quant. Spectrosc. Radiat. Transfer, 1996, vol. 55, no. 5, pp. 535-575.
Mishchenko, M.I. and Travis, L.D., Capabilities and Limitations of a Current Fortran Implementation of the T-Matrix Method for Randomly Oriented Rotationally Symmetric Scatterers, J. Quant. Spectrosc. Radiat. Transfer, 1998, vol. 60, no. 3, pp. 309-324.
Morozhenko, A.V., Results of Polarimetric Observations of Mars in 1961-1963, in Fizika Luny i planet (Physics of the Moon and Planets), Kiev: Naukova Dumka, 1964, pp. 58-80.
Morozhenko, A.V., Polarization Properties of the Atmosphere and Surface of Mars, in Fizika Luny i Planet (Physics of the Moon and Planets), Kiev: Naukova Dumka, 1966, pp. 45-69.
Morozhenko, A.V., The Martian Atmosphere from Polarization Observations, Astron. Zh., 1969, vol. 46, no. 5, pp. 1087-1094.
Morozhenko, A.V., Optical Parameters of the Atmosphere and Surface of Mars: I. Aerosol Composition of Clear Atmosphere, Astron. Vestn., 1974, vol. 8, no. 3, pp. 121-127.
Morozhenko, A.V., Results of Polarimetric Observations of Mars in 1971 and 1973, Astrometriya i Astrofizika, 1975, no. 26, pp. 97-107.
Morozhenko, A.V., Physical Properties of the Martian Atmosphere during the Periods of Dust Storms: I, Kinematika Fiz. Nebesnykh Tel, 1995a, vol. 11, no. 1, pp. 32-48.
Morozhenko, A.V., Physical Properties of the Martian Atmosphere at Periods of Dust Storms: II, Kinematika Fiz. Nebesnykh Tel, 1995b, vol. 11, no. 3, pp. 3-19.
Morozhenko, A.V., Results of Spectrophotometric Observations of Planets and Jupiter's Galilean Satellites at the 1986, 1988, and 1989 Oppositions: II, Kinematika Fiz. Nebesnykh Tel, 2001, vol. 17, no. 1, pp. 45-57.
Murphy, J.R., Toon, O.B., Haberle, R.M., and Pollack, J.B., Numerical Simulations of the Decay of Martian Global Dust Storms, J. Geophys. Res., 1990, vol. 95, no. B9, pp. 14 629-14 648.
Ockert-Bell, M.E., Bell II, J.F., Pollack, J.B., et al., Absorption and Scattering Properties of the Martian Dust in the Solar Wavelengths, J. Geophys. Res., 1997, vol. 101, no. E4, pp. 9039-9050.
Petrova, E.V., Mars Aerosol Optical Thickness Retrieved from Measurements of the Polarization Inversion Angle and the Shape of Dust Particles, J. Quant. Spectrosc. Radiat. Transfer, 1999, vol. 63, nos. 2-6, pp. 667-676.
Pollack, J.B., Toon, O.B., and Khare, R.,Optical Properties of Some Terrestrial Rocks and Glasses, Icarus, 1973, vol. 19, no. 3, pp. 372-383.
Pollack, J.B., Colburn, D.S., Khan, R., et al., Properties of Aerosols in the Martian Atmosphere as Inferred from Viking Lander Imaging Data, J. Geophys. Res., 1977, vol. 82, no. 28, pp. 4479-4496.
Pollack, J.B., Ockert-Bell, M.E., and Shepard, M.K., Viking Lander Image Analysis of Martian Atmospheric Dust, J. Geophys. Res., 1995, vol. 100, no. E3, pp. 5235-5250.
Thorpe, Th.E., Mariner 9 Photometric Observations of Mars from November 1971 through March 1972, Icarus, 1973, vol. 20, no. 4, pp. 482-489.
Tishkovets, V.P. and Shkuratov, Yu.G., On the Polarization Properties of the Surface and Atmosphere of Mars, Astron. Zh., 1982, vol. 59, no. 5, pp. 991-995.
Tomasko, M.C., Doose, L.R., Lemmon, M., et al., Properties of Dust in the Martian Atmosphere from the Imager on Mars Pathfinder, J. Geophys. Res., 1999, vol. 104, no. E4, pp. 8987-9007.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Dlugach, Z.M., Mishchenko, M.I. & Morozhenko, A.V. The Effect of the Shape of Dust Aerosol Particles in the Martian Atmosphere on the Particle Parameters. Solar System Research 36, 367–373 (2002). https://doi.org/10.1023/A:1020459320523
Issue Date:
DOI: https://doi.org/10.1023/A:1020459320523