Retrieval of stratospheric aerosol size distribution from atmospheric extinction of solar radiation at two wavelengths

Details Retrieval of stratospheric aerosol size distribution from atmospheric extinction of solar radiation at two wavelengths Retrieval of stratospheric aerosol size distribution from atmospheric extinction of solar radiation at two wavelengths

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apopt..22.1639y&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 22, June 1, 1983, p. 1639-1645.

Physics

Optics

21

Aerosols, Atmospheric Composition, Extinction, Particle Size Distribution, Stratosphere Radiation, Parameterization, Sulfuric Acid, Visible Spectrum

Scientific paper

A parametric study is presented of the effects of the size distribution and composition of stratospheric aerosols on the value R, the ratio of the extinction of solar radiation at wavelength 0.45 micron to the extinction at wavelength 1.0 micron. The aerosol size distributions under study comprise nine analytical expressions, including most of the stratospheric aerosol models used by investigators. The aerosol compositions considered are the supercooled sulfuric-acid droplets, with different weight percentages of H2SO4 in the aerosol. It is found that whereas R is not very sensitive to either the composition or the radii limits of the stratospheric aerosols under consideration, it is quite sensitive to the value of the variable parameter governing the mode radius of the size distribution of aerosol particles. The results of the parametric study underlie the method proposed here of retrieving the size distribution of aerosol particles in the stratosphere from the experimental results of the extinction of solar radiation at two wavelengths.

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