Abstract

The comparison of light scattering diameter determined by forward scattering measurements in the airborne state and the geometrical size (projected area diameter) of atmospheric aerosol particles at the earth surface and of NaCl nuclei shows that the particles can approximately be described as spheres with an equivalent projected diameter and a refractive index of 1.54 ± 2%. The investigation refers to particles ranging between 0.3 μm and 2 μm and relative humidities less than 60%.

© 1977 Optical Society of America

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